40 - Treatment of materials; recycling, air and water treatment,
41 - Education, entertainment, sporting and cultural services
42 - Scientific, technological and industrial services, research and design
Goods & Services
Metalworking; Cutting of metal; Treating [forging] of metal; Material treatment information; Advice in relation to the following fields: Metal treating and Cutting of metal. Training; Courses (Training -) relating to engineering; Training in the use of machinery. Services for the provision of technological information; Engineering services; Advisory services, in relation to the following fields: Engineering of metals; Engineering services relating to metal forming systems; Platform as a service [PaaS]; Hosting software platforms for virtual reality-based work collaboration; Platform as a service [PaaS] featuring software platforms for transmission of images, audio-visual content, video content and messages.
06 - Common metals and ores; objects made of metal
Goods & Services
Unwrought and semi-wrought common metals and their coated
alloys; coated nickel alloys, steels and stainless steels in
all forms, particularly bars, rings, tubes, profiles, cables
(non-electric) being coated; coated stainless steel wires.
01 - Chemical and biological materials for industrial, scientific and agricultural use
06 - Common metals and ores; objects made of metal
Goods & Services
Waelz oxide. Common metals and their alloys; ores of metal; aluminum,
nickel, manganese, chromium and/or molybdenum alloys in the
form of ingots and in liquid form; zinc, chromium, nickel
and/or molybdenum ingots; common metal alloys by secondary
smelting; ferroalloys; cast stainless steel.
01 - Chemical and biological materials for industrial, scientific and agricultural use
06 - Common metals and ores; objects made of metal
Goods & Services
(1) Oxyde Waelz.
(2) Métaux communs et leurs alliages; minerais métalliques; alliages d'aluminium, de nickel, de manganèse, de chrome et de molybdène en lingots et sous forme liquide; alliages d'aluminium, de nickel, de manganèse, de chrome ou de molybdène en lingots et sous forme liquide; lingots de zinc, de chrome, de nickel et de molybdène; lingots de zinc, de chrome, de nickel ou de molybdène; alliages de métaux communs par fonte de seconde fusion; ferro-alliages; fonte inox.
01 - Chemical and biological materials for industrial, scientific and agricultural use
06 - Common metals and ores; objects made of metal
Goods & Services
Waelz oxide Common metals and their alloys; ores of metal; aluminum, nickel, manganese, chromium and molybdenum alloys in the form of ingots and in liquid form; zinc, chromium, nickel and molybdenum ingots; common metal alloys produced by secondary smelting; ferroalloys; cast stainless steel
06 - Common metals and ores; objects made of metal
Goods & Services
Round reinforcing bars of stainless steel; Common metals, unwrought and semi-wrought and their alloys, alloys of nickel, steel and stainless steel in all forms, in particular bars, rings, tubes, profile sections, cables (non-electric); Stainless wire.
06 - Common metals and ores; objects made of metal
Goods & Services
Unwrought and semi-wrought common metals and their alloys, anchors, anvils, bells, laminated and cast building materials; Rails and other materials of metal for railway tracks, chains (except transmission chains for vehicles); Non-electric cables and wires of common metal; Ironmongery, Pipes and tubes of metal, Springs, Drawn wires, Strong boxes and cassettes; Balls of steel, nails and screws, Drawn wires of stainless steel and non-electric alloys, spring wires of stainless steel, stainless-steel fibres.
The invention relates to a duplex stainless steel composition, the composition of which consists of, in % by weight:
C≤0.05%
21%≤Cr≤25%
1%≤Ni≤2.95%
0.16%≤N≤0.28%
Mn≤2.0%
Mo+W/2≤0.50%
Mo≤0.45%
W≤0.15%
Si≤1.4%
Al≤0.05%
0.11%≤Cu≤0.50%
S≤0.010%
P≤0.040%
Co≤0.5%
REM≤0.1%
V≤0.5%
Ti≤0.1%
Nb≤0.3%
Mg≤0.1%
the balance being iron and impurities resulting from the smelting, and the microstructure consisting of austenite and 35 to 65% ferrite by volume, the composition furthermore satisfying the following relationships:
The invention relates to a duplex stainless steel composition, the composition of which consists of, in % by weight:
C≤0.05%
21%≤Cr≤25%
1%≤Ni≤2.95%
0.16%≤N≤0.28%
Mn≤2.0%
Mo+W/2≤0.50%
Mo≤0.45%
W≤0.15%
Si≤1.4%
Al≤0.05%
0.11%≤Cu≤0.50%
S≤0.010%
P≤0.040%
Co≤0.5%
REM≤0.1%
V≤0.5%
Ti≤0.1%
Nb≤0.3%
Mg≤0.1%
the balance being iron and impurities resulting from the smelting, and the microstructure consisting of austenite and 35 to 65% ferrite by volume, the composition furthermore satisfying the following relationships:
40≤IF≤70
The invention relates to a duplex stainless steel composition, the composition of which consists of, in % by weight:
C≤0.05%
21%≤Cr≤25%
1%≤Ni≤2.95%
0.16%≤N≤0.28%
Mn≤2.0%
Mo+W/2≤0.50%
Mo≤0.45%
W≤0.15%
Si≤1.4%
Al≤0.05%
0.11%≤Cu≤0.50%
S≤0.010%
P≤0.040%
Co≤0.5%
REM≤0.1%
V≤0.5%
Ti≤0.1%
Nb≤0.3%
Mg≤0.1%
the balance being iron and impurities resulting from the smelting, and the microstructure consisting of austenite and 35 to 65% ferrite by volume, the composition furthermore satisfying the following relationships:
40≤IF≤70
where
The invention relates to a duplex stainless steel composition, the composition of which consists of, in % by weight:
C≤0.05%
21%≤Cr≤25%
1%≤Ni≤2.95%
0.16%≤N≤0.28%
Mn≤2.0%
Mo+W/2≤0.50%
Mo≤0.45%
W≤0.15%
Si≤1.4%
Al≤0.05%
0.11%≤Cu≤0.50%
S≤0.010%
P≤0.040%
Co≤0.5%
REM≤0.1%
V≤0.5%
Ti≤0.1%
Nb≤0.3%
Mg≤0.1%
the balance being iron and impurities resulting from the smelting, and the microstructure consisting of austenite and 35 to 65% ferrite by volume, the composition furthermore satisfying the following relationships:
40≤IF≤70
where
IF=6×(% Cr+1.32×% Mo+1.27×% Si)−10×(% Ni+24×% C+16.15×% N+0.5×% Cu+0.4×% Mn)−6.17
The invention relates to a duplex stainless steel composition, the composition of which consists of, in % by weight:
C≤0.05%
21%≤Cr≤25%
1%≤Ni≤2.95%
0.16%≤N≤0.28%
Mn≤2.0%
Mo+W/2≤0.50%
Mo≤0.45%
W≤0.15%
Si≤1.4%
Al≤0.05%
0.11%≤Cu≤0.50%
S≤0.010%
P≤0.040%
Co≤0.5%
REM≤0.1%
V≤0.5%
Ti≤0.1%
Nb≤0.3%
Mg≤0.1%
the balance being iron and impurities resulting from the smelting, and the microstructure consisting of austenite and 35 to 65% ferrite by volume, the composition furthermore satisfying the following relationships:
40≤IF≤70
where
IF=6×(% Cr+1.32×% Mo+1.27×% Si)−10×(% Ni+24×% C+16.15×% N+0.5×% Cu+0.4×% Mn)−6.17
and
The invention relates to a duplex stainless steel composition, the composition of which consists of, in % by weight:
C≤0.05%
21%≤Cr≤25%
1%≤Ni≤2.95%
0.16%≤N≤0.28%
Mn≤2.0%
Mo+W/2≤0.50%
Mo≤0.45%
W≤0.15%
Si≤1.4%
Al≤0.05%
0.11%≤Cu≤0.50%
S≤0.010%
P≤0.040%
Co≤0.5%
REM≤0.1%
V≤0.5%
Ti≤0.1%
Nb≤0.3%
Mg≤0.1%
the balance being iron and impurities resulting from the smelting, and the microstructure consisting of austenite and 35 to 65% ferrite by volume, the composition furthermore satisfying the following relationships:
40≤IF≤70
where
IF=6×(% Cr+1.32×% Mo+1.27×% Si)−10×(% Ni+24×% C+16.15×% N+0.5×% Cu+0.4×% Mn)−6.17
and
ILCR≥30.5
The invention relates to a duplex stainless steel composition, the composition of which consists of, in % by weight:
C≤0.05%
21%≤Cr≤25%
1%≤Ni≤2.95%
0.16%≤N≤0.28%
Mn≤2.0%
Mo+W/2≤0.50%
Mo≤0.45%
W≤0.15%
Si≤1.4%
Al≤0.05%
0.11%≤Cu≤0.50%
S≤0.010%
P≤0.040%
Co≤0.5%
REM≤0.1%
V≤0.5%
Ti≤0.1%
Nb≤0.3%
Mg≤0.1%
the balance being iron and impurities resulting from the smelting, and the microstructure consisting of austenite and 35 to 65% ferrite by volume, the composition furthermore satisfying the following relationships:
40≤IF≤70
where
IF=6×(% Cr+1.32×% Mo+1.27×% Si)−10×(% Ni+24×% C+16.15×% N+0.5×% Cu+0.4×% Mn)−6.17
and
ILCR≥30.5
where
The invention relates to a duplex stainless steel composition, the composition of which consists of, in % by weight:
C≤0.05%
21%≤Cr≤25%
1%≤Ni≤2.95%
0.16%≤N≤0.28%
Mn≤2.0%
Mo+W/2≤0.50%
Mo≤0.45%
W≤0.15%
Si≤1.4%
Al≤0.05%
0.11%≤Cu≤0.50%
S≤0.010%
P≤0.040%
Co≤0.5%
REM≤0.1%
V≤0.5%
Ti≤0.1%
Nb≤0.3%
Mg≤0.1%
the balance being iron and impurities resulting from the smelting, and the microstructure consisting of austenite and 35 to 65% ferrite by volume, the composition furthermore satisfying the following relationships:
40≤IF≤70
where
IF=6×(% Cr+1.32×% Mo+1.27×% Si)−10×(% Ni+24×% C+16.15×% N+0.5×% Cu+0.4×% Mn)−6.17
and
ILCR≥30.5
where
ILCR=% Cr+3.3×% Mo+16×% N+2.6×% Ni−0.7×% Mn,
and also to a process for manufacturing plate, strip, coil, bar, rod, wire, sections, forgings and castings made of this steel.
C22C 38/48 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
C21D 8/02 - Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
C22C 38/50 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
C22C 38/52 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
C22C 38/54 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
C22C 38/56 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.7% by weight of carbon
B21B 1/26 - Metal rolling methods or mills for making semi-finished products of solid or profiled cross-sectionSequence of operations in milling trainsLayout of rolling-mill plant, e.g. grouping of standsSuccession of passes or of sectional pass alternations for rolling bands or sheets of indefinite length in a continuous process by hot-rolling
C21D 9/00 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor
C21D 9/46 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for sheet metals
C21D 9/52 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for wiresHeat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for strips
C22C 38/06 - Ferrous alloys, e.g. steel alloys containing aluminium
C22C 38/46 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
C22C 38/44 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
C22C 38/42 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
C22C 38/04 - Ferrous alloys, e.g. steel alloys containing manganese
C22C 38/02 - Ferrous alloys, e.g. steel alloys containing silicon
10.
REINFORCEMENT FOR A BREAKER STRIP FOR A THERMAL BRIDGE FOR BUILDING CONSTRUCTION, AND BREAKER STRIP FOR A THERMAL BRIDGE COMPRISING SAME
A reinforcement (7) for a breaker strip for a thermal bridge for building construction, characterised in that it is produced from austenitic or austenoferritic stainless steel, the composition of which, in % by weight, consists of: traces ≤ C ≤ 0.08%; 1.5% ≤ Si ≤ 4.0%; 4.0% ≤ Mn ≤ 10.0%; traces ≤ Ni ≤ 7.0%; 16.0% ≤ Cr ≤ 23.0%; traces ≤ Mo ≤ 2.0%; traces ≤ W ≤ 1.0%; traces ≤ Mo + W/2 ≤ 2.0%; traces ≤ Co ≤ 2.0%; traces ≤ Cu ≤ 3.0%; 0.10% ≤ N ≤ 0.25%; the remainder being iron, alloying elements other than those previously mentioned, and impurities resulting from production, the total of said other alloying elements and impurities not exceeding 1.0%, and none of said other alloying elements being present individually in an amount greater than 0.5%, and in that the thermal conductivity index IC calculated according to: IC = 22.2 + 2.1 (1 - IF/100) – 0.89 Si – 0.77 Ni - 0.44 Mn – 0.17 Cr - 0.16 Cu, where IF = 6.7 Cr + 5.7 Mo + 0.7 Si – 8,.6 Ni - 2.4 Mn - 0.5 Cu - 110 C – 150 N – 42.7 is ≤ 13.5. A breaker strip for a thermal bridge comprising said reinforcement.
A method for manufacturing a plate, a band, or a coil of hot-rolled steel is provided. The method includes providing an ingot or a slab of steel with a desired composition and a microstructure composed of austenite and 35 to 65% ferrite by volume and hot rolling the ingot or slab at a temperature between 1150 and 1280° C. to obtain a plate, a band or a coil. A method for manufacturing a hot-rolled bar or wire of steel, a steel profile and a forged steel piece are also provided.
C21D 8/00 - Modifying the physical properties by deformation combined with, or followed by, heat treatment
C21D 9/52 - Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for wiresHeat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articlesFurnaces therefor for strips
B22D 11/00 - Continuous casting of metals, i.e. casting in indefinite lengths
C21D 1/613 - GasesLiquefied or solidified normally gaseous material
06 - Common metals and ores; objects made of metal
Goods & Services
Common metals and their alloys; Alloys and steel, in particular those containing chromium or nickel in wire form, including hot-laminated; Wires of stainless steel and Alloy wire, Including cold-processed soldering wires.
13.
Austenite-ferrite stainless steel of improved machinability
C22C 38/02 - Ferrous alloys, e.g. steel alloys containing silicon
C22C 38/04 - Ferrous alloys, e.g. steel alloys containing manganese
C22C 38/06 - Ferrous alloys, e.g. steel alloys containing aluminium
C22C 38/46 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
C22C 38/48 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
C22C 38/50 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
C22C 38/52 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
B21B 1/00 - Metal rolling methods or mills for making semi-finished products of solid or profiled cross-sectionSequence of operations in milling trainsLayout of rolling-mill plant, e.g. grouping of standsSuccession of passes or of sectional pass alternations
C21D 8/06 - Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
C22C 38/58 - Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
C22C 38/60 - Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium or antimony, or more than 0.04% by weight of sulfur
06 - Common metals and ores; objects made of metal
Goods & Services
Common metals and their alloys; Alloys and steel, in particular containing nickel in all forms, including bars, rings, profiles; Steel wire and Alloy wire, Including containing nickel for soldering or containing nickel and cold-formed; None of the aforesaid goods being for use in the dental industry.
15.
AUSTENITE-FERRITE STAINLESS STEEL OF IMPROVED MACHINABILITY
ARCELORMITTAL INVESTIGACION Y DESARROLLO SL (Spain)
UGITECH (France)
Inventor
Peultier, Jerome
Fanica, Amelie
Renaudot, Nicolas
Bourgin, Christophe
Chauveau, Eric
Mantel, Marc
Abstract
The invention concerns an austenite-ferrite stainless steel composition, whose composition contains in % by weight :0.01% .ltoreq. C .ltoreq.0.10%20.0% .ltoreq. Cr .ltoreq. 24.0%1.0% .ltoreq. Ni .ltoreq. 3.0%0.12% .ltoreq. N .ltoreq. 0.20%0.5% .ltoreq. Mn .ltoreq. 2.0%1.6% .ltoreq. Cu .ltoreq. 3.0%0.05% .ltoreq. Mo .ltoreq. 1.0%W .ltoreq. 0.15%0.05% .ltoreq. Mo +W/2 .ltoreq. 1.0%0.2% .ltoreq. Si .ltoreq. 1.5%Al .ltoreq. 0.05%V .ltoreq. 0.5%Nb .ltoreq. 0.5 %Ti .ltoreq. 0.5%B .ltoreq. 0.003% Co .ltoreq. 0.5% REM .ltoreq. 0.1% Ca .ltoreq. 0.03 % Mg .ltoreq. 0.1 % Se .ltoreq. 0.005% O .ltoreq. 0.01%S .ltoreq. 0.030%P .ltoreq. 0.040%the rest being iron and impurities resulting from the production and the microstructure being composed of austenite and 35 to 65% ferrite by volume, the composition furthermore obeying the following relations :40 .ltoreq. IF .ltoreq. 65 withIF = 10%Cr + 5.1%Mo + 1.4%Mn + 24.3%Si + 35%Nb + 71.5%Ti - 595.4%C - 245.1%N - 9.3%Ni - 3.3%Cu - 99.8and IRCGCU .gtoreq. 32.0 withIRCGCU = %Cr+ 3.3%Mo + 2%Cu +16%N + 2.6%Ni - 0.7%Mnand 0 .ltoreq. IU .ltoreq. 6.0 withIU = 3%Ni + %Cu + %Mn -100%C -25%N - 2(%Cr + %Si) -6%Mo +45 as well as a method of manufacture of plates, bands, coils, bars, wires, profiles, forged pieces and molded pieces of this steel.
ARCELORMITTAL INVESTIGACIÓN Y DESARROLLO SL (Spain)
UGITECH (France)
Inventor
Peultier, Jérôme
Fanica, Amélie
Renaudot, Nicolas
Bourgin, Christophe
Chauveau, Eric
Mantel, Marc
Abstract
The invention relates to austenitic-ferritic stainless steel composition, the composition of which includes: 0.01 wt % ≤ C ≤ 0.10 wt %; 20.0 wt % ≤ Cr ≤ 24.0 wt %; 1.0 wt % ≤ Ni ≤ 3.0 wt %; 0.12 wt % ≤ N ≤ 0.20 wt %; 0.5 wt % ≤ Mn ≤ 2.0 wt %; 1.6 wt % ≤ Cu ≤ 3.0 wt %; 0.05 wt % ≤ Mo ≤ 1.0 wt %; W ≤ 0.15 wt %; 0.05 wt % ≤ Mo +W/2 ≤ 1.0 wt %; 0.2 wt % ≤ Si ≤ 1.5 wt %; Al ≤ 0.05 wt %; V ≤ 0.5 wt %; Nb ≤ 0.5 wt %; Ti ≤ 0.5 wt %; B ≤ 0.003 wt %; Co ≤ 0.5 wt %; REM ≤ 0.1 wt %; Ca ≤ 0.03 wt %; Mg ≤ 0.1 wt %; Se ≤ 0.005 wt %; O ≤ 0.01 wt %; S ≤ 0.030 wt %; and P ≤ 0.040 wt %; the remainder being iron and impurities resulting from production, and the microstructure consisting of austenite and 35 to 65 vol % of ferrite. The composition also satisfies the following relations: 40 ≤ IF ≤ 65, where IF = 10 wt % Cr + 5.1 wt % Mo + 1.4 wt % Mn + 24.3 wt % Si + 35 wt % Nb + 71.5 wt % Ti - 595.4 wt % C - 245.1 wt % N - 9.3 wt % Ni - 3.3 wt % Cu - 99.8 and IRCGCU ≥ 32.0, where IRCGCU = wt % Cr + 3.3 wt % Mo + 2 wt % Cu + 16 wt % N + 2.6 wt % Ni - 0.7 wt % Mn and 0 ≤ IU ≤ 6.0, where IU = 3 wt % Ni + wt % Cu + wt % Mn - 100 wt % C - 25 wt % N - 2(wt % Cr + wt % Si) - 6 wt % Mo + 45. The invention also relates to a method for manufacturing sheets, strips, coils, bars, wires, profile sections, forged parts, and molded parts made of said steel.
ARCELORMITTAL INVESTIGACIÓN Y DESARROLLO SL (Spain)
UGITECH (France)
Inventor
Peultier, Jérôme
Fanica, Amélie
Renaudot, Nicolas
Bourgin, Christophe
Chauveau, Eric
Mantel, Marc
Abstract
The invention relates to an austenitic-ferritic stainless composition, wherein the composition includes, by weight percent: 0.01% ≤ C < 0.10% 20.0% ≤ Cr < 24.0% 1.0% ≤.Ni ≤ 3.0% 0.12% ≤ N ≤ 0.20% 0.5% < Mn ≤ 4.0% 1.6% < Cu ≤ 3.0% 0.05% ≤ Mo ≤ 1.0% W < 0.15% 0.05% ≤ Mo +W/2 < 1.0% 0.2% ≤ Si ≤ 1.5% Al ≤ 0.05% V ≤ 0.5% Nb < 0.5 % Ti ≤ 0.5% B ≤ 0.003% Co ≤ 0.5% REM ≤ 0.1% Ca < 0.03 % Mg < 0.1 % Se ≤ 0.005% O ≤ 0.01% S ≤ 0.030% P ≤ 0.040%, the remainder being iron and impurities resulting from production, and the microstructure consisting of austenite and 35 to 65 vol % of ferrite, wherein the composition further satisfies the following relations: 40 < IF ≤ 65, where IF = 10%Cr + 5.1%Mo + 1.4%Mn + 24.3%Si + 35%Nb + 71.5%Ti - 595.4%C - 245. 1%N - 9.3%Ni - 3.3%Cu - 99.8 and IRCGCU > 32.0, where IRCGCU = %Cr+ 3.3%MO + 2%Cu +16%N + 2.6%Ni - 0.7%Mn, and 0 ≤ IU < 6.0, where IU = 3%Ni + %Cu + %Mn -100%C -25%N - 2(%Cr + %Si) -6%Mo +45. The invention also relates to a method for manufacturing sheets, strips, coils, bars, wires, profile sections, forged parts, and molded parts made of said steel.
06 - Common metals and ores; objects made of metal
Goods & Services
Stainless steel in all forms, in particular bars, round bars, tubes, profiles and stainless steel wires; free-cutting steels with improved machinability; parts of stainless steel and semi-wrought steel; parts of wrought steel.
06 - Common metals and ores; objects made of metal
Goods & Services
Unwrought or semi-wrought common metals and their alloys, except flat products made from the aforesaid materials; stainless steel, except flat products made from the aforesaid material; nickel-based alloys, except flat products made from the aforesaid materials; stainless steel in the form of long products, in particular bars, round bars, tubes and profiles; non-electric cables and wire of stainless steel; nickel-based alloys in the form of long products, in particular bars and wire.
06 - Common metals and ores; objects made of metal
Goods & Services
Raw and semi-processed common metals and their alloys; stainless steel; nickel-based alloys; stainless steel in the form of long products, in particular bars, round bars, tubes and profiles; non-electric cables and wires of stainless steel; nickel-based alloys in the form of long products, in particular bars and wires.
The invention relates to a duplex stainless steel composition consisting, in percent by weight, of: C ឬ 0.05%; 21% ≤ Cr ឬ 25%; 1% ≤ Ni ≤ 2.95%; 0.16% ≤ N ≤ 0.28%; Mn ≤ 2.0% Mo +W/2 ≤ 0.50%; Mo ≤ 0.45%; W ឬ 0.15%; Si ឬ 1.4%; Al ឬ 0.05%; 0.11% ≤ Cu ≤ 0.50%; S ឬ 0.010%; P ≤ 0.040%; Co ≤ 0.5%; REM ≤ 0.1%; V ≤ 0.5%; Ti ≤ 0, 1%; Nb ≤ 0.3%; Mg ឬ 0.1%, the balance being iron and impurities resulting from the smelting, and the microstructure consisting of austenite and 35 to 65% ferrite by volume, the composition furthermore satisfying the following relationships: 40 ≤ IF ឬ 70 with IF = 6´(%Cr + 1.32´%Mo + 1.27´%Si) - 10´(%Ni + 24´%C + 16.15´%N + 0.5´%Cu + 0.4´%Mn) - 6.17 and IRCL ᡶ 30.5, where IRCL = %Cr +3.3´%Mo +16´%N + 2.6´%Ni - 0.7´%Mn, and to a process for manufacturing plates, sheets, coils, bars, wires, sections, forgings and castings made of this steel.
The invention relates to a duplex stainless steel composition consisting, in percent by weight, of: C < 0.05%; 21% <= Cr < 25%; 1% <= Ni <= 2.95%; 0.16% <= N <= 0.28%; Mn <= 2.0% Mo +W/2 <= 0.50%; Mo <= 0.45%; W < 0.15%; Si < 1.4%; Al < 0.05%; 0.11% <= Cu <= 0.50%; S < 0.010%; P <= 0.040%; Co <= 0.5%; REM <= 0.1%; V <= 0.5%; Ti <= 0, 1%; Nb <= 0.3%; Mg < 0.1%, the balance being iron and impurities resulting from the smelting, and the microstructure consisting of austenite and 35 to 65% ferrite by volume, the composition furthermore satisfying the following relationships: 40 <= IF < 70 with IF = 6´(%Cr + 1.32´%Mo + 1.27´%Si) - 10´(%Ni + 24´%C + 16.15´%N + 0.5´%Cu + 0.4´%Mn) - 6.17 and IRCL > 30.5, where IRCL = %Cr +3.3´%Mo +16´%N + 2.6´%Ni - 0.7´%Mn, and to a process for manufacturing plates, sheets, coils, bars, wires, sections, forgings and castings made of this steel.
06 - Common metals and ores; objects made of metal
Goods & Services
Common metals, unwrought or semi-wrought, and their alloys
in the form of long products; nickel alloys in the form of
long products; steels; stainless steel lengths in all forms,
particularly bars, rods, profile tubes, (non-electric)
cables and stainless steel wire.
06 - Common metals and ores; objects made of metal
Goods & Services
Unwrought and semi-wrought common metals and their alloys in the form of long goods; nickel alloys in the form of long goods; steel; long stainless steel in shapes of all kinds, in particular bars, rounds, profile pipes, non-electric cables and wires of stainless steel.
06 - Common metals and ores; objects made of metal
Goods & Services
Unwrought and semi-wrought common metals and their alloys in the form of long goods; nickel alloys in the form of long goods; steel; long stainless steel in shapes of all kinds, in particular bars, rounds, profile pipes, non-electric cables and wires of stainless steel.
06 - Common metals and ores; objects made of metal
Goods & Services
Unwrought and semi-wrought common metals and their alloys in the form of long products; nickel alloys in the form of long products; steel; long stainless steel sections in shapes of all kinds, in particular bars, rounds, profile tubes, cables (not electric) and wires of stainless steel.
06 - Common metals and ores; objects made of metal
Goods & Services
UNWROUGHT AND PARTLY-WROUGHT COMMON METALS AND THEIR ALLOYS; NICKEL ALLOYS; STEELS; AND STAINLESS STEELS IN ANY SHAPE - NAMELY, BARS, ROUNDS, PIPES, SECTIONS, CABLES (NON-ELECTRIC), WIRES, SHEETS, STRIPS, COILS, PLATES, HOOPS, TUBES AND PROFILES
06 - Common metals and ores; objects made of metal
Goods & Services
Unwrought and partly-wrought common metals and their alloys; nickel alloys; steels; stainless steels in any shape, notably bars, rounds, pipes, sections, cables (non electric) and stainless steel wires.
06 - Common metals and ores; objects made of metal
Goods & Services
Aciers inoxydables sous toutes les formes, notamment barres,
ronds, tubes, profilés et fils d'acier inoxydable; aciers de
décolletage à usinabilité améliorée.
06 - Common metals and ores; objects made of metal
Goods & Services
stainless steel in the form of bars, rounds, rods, billets, beams, sections, blooms, wires, pipes, sheets, and plates, all for further manufacture or further machining
06 - Common metals and ores; objects made of metal
08 - Hand tools and implements
10 - Medical apparatus and instruments
15 - Musical instruments
Goods & Services
Métaux communs bruts et mi-ouvrés et leurs alliages, ancres,
enclumes, cloches, matériaux à bâtir laminés et fondus;
rails et autres matériaux métalliques pour les voies
ferrées, chaînes (à l'exception des chaînes motrices pour
véhicules); câbles et fils métalliques non électriques;
serrurerie, tubes et tuyaux métalliques, ressorts, tréfilés,
coffres-forts et cassettes; billes d'acier, fers à cheval,
clous et vis; autres produits en métal (non précieux) non
compris dans d'autres classes. Outils et instruments à main, coutellerie, fourchettes et
cuillers; armes blanches. Instruments et appareils chirurgicaux, médicaux, dentaires
et vétérinaires (y compris membres, yeux et dents
artificiels). Instruments de musique (à l'exception des machines parlantes
et appareils de T.S.F.).
06 - Common metals and ores; objects made of metal
Goods & Services
Métaux communs bruts et mi-ouvrés et leurs alliages; ancres,
enclumes, cloches, matériaux à bâtir laminés et fondus
notamment fils tréfilés en aciers spéciaux, produits
connexes et dérivés, rails et autres matériaux métalliques
pour les voies ferrées; chaînes (à l'exception des chaînes
motrices pour véhicules); câbles et fils métalliques non
électriques; serrurerie, tuyaux métalliques; coffres-forts
et cassettes, billes d'aciers, fers à cheval; clous et vis;
autres produits en métal (non précieux) non compris dans
d'autres classes; minerais.
