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To ensure your project’s success, we offer you a solution tailored to your exact requirements and with the properties you need. This commitment includes:

> Ongoing support, solutions tailored to each market, expert advice on choosing of the right grade, responsive technical assistance, logistical offers and pooled expertise to work on joint development projects,

> The most complete and innovative range on the market,

> Specialities: ferritic and bright annealed stainless steels, proven hot-rolled quality and strip width of up to 2,000 mm.

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Our stainless steels solutions, the most complete range available on the market.

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Standard finishes with the most innovative appearances, available from our service centres and mills.

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Austenitic stainless steels

Grade designations
Standards
Chemical Compositions
Mechanical properties
 AISIUNSENCSiMnCrMoNiOthersRmRp0.2A%
Aperam 301 (17-7A)301S301001.43100.1000.901.3016.80 6.60 81032055
Aperam 301M (17-7C)301S301001.43100.1000.600.9017.30 7.30 73032057
Aperam 301R (17-7E) 301S301001.43100.1001.151.2016.700.706.65 80034056
Aperam 301L (18-7L)301L
301LN
S30103
S30153
1.43180.0250.501.7017.50 6.60N = 0.11076035048
Aperam 304 (18-9E)304S304001.43010.0500.401.4018.20 8.05 63031054
Aperam 304H (18-9H)304HS304091.4301/1.49480.0500.401.1018.20 8.05C mini 0.0466030054
Aperam 304D (18-9ED)304S304001.43010.0400.401.2018.20 8.10 63028058
Aperam 304ED (18-9DDQ)304S304001.43010.0450.401.1018.20 9.10 61027057
Aperam 304L (18-9L)304LS304031.43070.0250.401.4018.20 8.05 63031054
Aperam 304M (18-10L)304LS304031.43060.0250.401.3018.20 10.10 58025054
Aperam 321 (18-10T)321S321001.45410.0250.401.1017.15 9.10Ti = 0.3062029052
Aperam 321H (18-10TH)321HS321091.4541/1.48780.0450.401.1017.15 9.10Ti = 0.3062029052
Aperam 305 (18-12D)305S305001.43030.0250.401.3018.50 12.60 57025052

 

Sizes
Surface condition and appearanceThickness in mmWidth in mm max
HRAP1.85 - 2.491000
2.50 - 2.991250
3.00 - 4.991524
5.00 - 13.002000
HRC4.00 - 4.992000
2B - 2D0.40 - 0.591250
0.60 - 0.731500
0.80 - 0.991524
1.00 - 8.002000
2R - BA0.30 - 0.391000
0.40 - 0.791250
0.80 - 2.001524

 

Austenitic stainless steels

Pink Carbon Carbon
Orange Chromium Chromium
Purple Nickel Nickel
Green Molybdenum Molybdenum

0.015 to 0.10% carbon, 16 to 21% chromium, 6 to 26% nickel, 0 to 7% molybdenum. The presence of nickel improves corrosion resistance and makes stainless steel more ductile. The presence of molybdenum further enhances the resistance to corrosion in an acid medium. The most common grades are 304/304L et 316/316L.

Applications

Heating systems, resistor jackets, furnace equipment...

Forms

Coil - Strip

Blank - Sheet - Plate

Disc

Austenitic stainless steels containing manganese

Grade designations
Standards
Chemical Compositions
Mechanical properties
 AISIUNSENCSiMnCrMoNiOthersRmRp0.2A%
Aperam 201 (16-4Mn) 201S201001.43720.0900.506.5016.30 4.15 79043053
Aperam 201L (16-5MnL)201LNS201531.43710.0250.507.0016.30 4.75N = 0.18, Cu = 0.373037052
Aperam 201D (17-4Mn)201.1S20100 (3)1.4618 (2)0.0500.356.0016.80 4.60N = 0.10 - Cu = 1.6 - S ≤ 0.00267033051

 

Sizes
Surface condition and appearanceThickness in mmWidth in mm max
HRAP2.00 - 2.501000
2.50 - 3.501250
3.00 - 5.001500
4.99 - 13.002000
HRC4.00 - 4.992000
2D - 2B0.60 - 1.00(7)1500
1.00 - 8.002000

 

(7) Consult us for thicker than 1.0 mm

 

Austenitic stainless steels
containing manganese

Pink Carbon Carbon
Blue Maganese Manganese
Orange Chromium Chromium
Purple Nickel Nickel
Green Molybdenum Molybdenum

Austenitics with manganese or 200 series

These are chromium manganese steels, with a low nickel content (always below 5%).

Applications

Asphalt tankers, tubes, food containers, silos, conveyor chains, safety soles...

Forms

Coil - Strip

Blank - Sheet - Plate

Disc

Austenitic stainless steels containing molybdenum

Grade designations
Standards
Chemical Compositions
Mechanical properties
 AISIUNSENCSiMnCrMoNiOthersRmRp0.2A%
Aperam 316L (18-11ML)316
316L
S31600
S31603
1.4401/1.44040.0250.401.2016.802.1010.10 61030052
Aperam 316B (18-13MS)316LS316031.44350.0200.401.3517.302.6012.70 59029049
Aperam 316C (18-12MS)316LS316031.44320.0300.401.3516.802.6011.10 62032049
Aperam 316T (17-11MT)316TiS316351.45710.0350.401.2016.802.1010.70Ti = 0.35060029050

 

Sizes
Surface condition and appearanceThickness in mmWidth in mm max
HRAP2.50 - 2.991000
3.00 - 4.391250
4.40 - 6.991524
7.00 - 13.002000
HRC3.00 - 4.391524
4.00 - 6.992000
2B - 2D0.40 - 0.791250
0.80 - 1.491524
1.50 - 8.002000
2R - BA0.30 - 0.391000
0.40 - 2.001250

 

Austenitic stainless steels
containing molybdenum

Pink Carbon Carbon
Orange Chromium Chromium
Purple Nickel Nickel
Green Molybdenum Molybdenum

0.015 to 0.10% carbon, 16 to 21% chromium, 6 to 26% nickel, 0 to 7% molybdenum. The presence of nickel improves corrosion resistance and makes stainless steel more ductile. The presence of molybdenum further enhances the resistance to corrosion in an acid medium. The most common grades are 304/304L et 316/316L.

Applications

Heating systems, resistor jackets, furnace equipment...

Forms

Coil - Strip

Blank - Sheet - Plate

Duplex

Grade designations
Standards
Chemical Compositions
Pitting Corrosion Resistance PREN*
Mechanical properties
 AISIUNSENCSiMnCrMoNiOthers RmRp0.2A%
DX220522-05S322051.44620.0200.301.8022.803.105.50N = 0.173574055030
DX180322-05S318031.44620.0200.301.8022.102.705.00N = 0.173380062030
DX2202 (1)  22-02S322021.40620.0200.401.3023.000.302.50N = 0.212675056032
DX230423-04S323041.43620.0200.401.8022.800.403.80N = 0.132673053030
DX250725-07S327501.4410<0.020.300.8025.803.807.00N = 0.304390067028

*PREN: Pitting Resistance Equivalent Number

Sizes
Surface condition and appearanceThickness in mmWidth in mm max
HRAP4.00 - 10.001500
7.00 - 10.002000
2B - 2E1.00 - 6.001500
2.00 - 6.002000

 

(1) Available under certain conditions: check with your sales contact

 

Austeno-ferritics or Duplex

Pink Carbon Carbon
Orange Chromium Chromium
Purple Nickel Nickel
Green Molybdenum Molybdenum

0.02% carbon, 0 to 4% molybdenum, 1 to 7% nickel and 21 to 26% chromium. They offer excellent qualities for a cost price that is contained because of their low nickel content, material that suffers from highly speculative prices.

Applications

Oil, gas, papermaking pulp, desalination sectors, chemical industry...

Forms

Coil - Strip

Blank - Sheet - Plate

Ferritic stainless steels

Grade designations
Standards
Chemical Compositions
Mechanical properties
 AISIUNSENCSiMnCrMoNiOthersRmRp0.2A%
K03 (F12N) S410031.40030.0200.500.6011.00 0.40 50035027
K09 (F12T)409S409001.45120.0100.450.3011.30  Ti=0.19044026033
K09D (F12TD)409S409001.45120.0100.450.3011.30  Ti=0.19044026033
K09X409S409001.45120.0100.450.3011.30  Ti=0.19044026033
K30 (F17)430S430001.40160.0400.350.3016.50   50033027
K30D (F17) 430S430001.40160.0300.350.4016.50   48032029
K30ED (F17)430S430001.40160.0150.350.4016.50   46030031
K33X   1.45130.0150.500.2517.300.90 Ti=0.3547030031
K39 (F18T)439S430351.45100.0200.400.3017.50  Ti=0.3546031032
K39M (F17T)430TiS430361.45100.0200.400.3016.50  Ti = 0.4046030030
K41 (F18TNb)441 (1)S43932 S439401.45090.0150.600.3017.80  Ti + Nb = 0.6549032030
K41X441 (1)S439321.45090.0150.600.3017.80  N=0.015, Ti+Nb=0.6549032030
K36 (F17MNb)436S436001.45260.0200.400.2517.501.25 Nb=0.5051035030
K44 (F18MT)444S444001.45210.0150.500.3017.701.85 Ti + Nb = 0.4553037028
K44M (F19MNb)444S444001.45210.0150.400.3019.001.90 

Nb=0.60

54036030
K44X (F19MNb)444S444001.45210.0150.400.3019.001.90 Nb=0.6054036030
K45 (F20NbCu)445 (1)S445001.46210.0150.250.2520.20  Nb=0.45, Cu= 0.4549034031

 

(1) Common designation

 

Sizes
Surface condition and appearanceThickness in mmWidth in mm max
HRAP1.50 - 2.491000
2.50 - 2.991250
3.00 - 6.501524
2B - 2D0.40 - 0.591300
0.60 - 4.001524
2R - BA0.30 - 0.391000
0.40 - 0.691300
0.70 - 2.001500

 

Ferritic S400 Solutions KARA

Pink Carbon Carbon
Orange Chromium Chromium
Green Molybdenum Molybdenum

0.02 to 0.06% carbon, 10.5 to 30% chromium, 0 to 4% molybdenum. These grades commonly used internally are now being developed for envelope and structural products.

KARA is the Aperam brand for ferritic stainless steels.

Unlike other stainless steels, the KARA range doesn’t contain nickel and is thus immune from the erratic price fluctuations of this alloying elements.

Prices are more stable over time: a strong argument in the construction sector where projects costing and economic design are key elements.

Applications

Car exhaust systems, conveyor chains, cooking utensils, boilers domestic electrical appliances, domestic appliances, trim, dishware, heating, hot water tanks, tubes …

Forms

Coil - Strip

Blank - Sheet - Plate

Disc

Heat resisting stainless steels

Grade designations
Standards
Chemical Compositions
Mechanical properties
 AISIUNSENCSiMnCrMoNiOthersRmRp0.2A%
Aperam 309 (R20-12)  1.48280.0501.601.3519.30 11.20 63029054
Aperam 309S (R24-13S) (4)309S / 309HS309081.48330.0600.401.3022.20 13.60 60031051

 

Sizes
Surface condition and appearanceThickness in mmWidth in mm max
HRAP3.50 - 7.991250
8.00 - 13.002000
2D - 2B0.40 - 0.791250
0.80 - 1.491250
1.50 - 8.002000

 

Forms

Coil - Strip

Blank - Sheet - Plate

Martensitic stainless steels

Grade designations
Standards
Chemical Compositions
Mechanical properties
 AISIUNSENCSiMnCrMoNiOthersRmRp0.2A%
Aperam MA2  1.40210.2200.350.3513.30   58034025
Aperam MA3420S420001.40280.3200.350.3013.70   61033024
Aperam MA3M  1.44190.3800.300.3014.000.80 N=0.0968040021
Aperam MA4  1.40340.4600.400.3013.80   67039021

 

Sizes
Surface condition and appearanceThickness in mmWidth in mm max
2B - 2H0.40 - 3.501000

 

Martensitic stainless steels

Pink Carbon Carbon
Orange Chromium Chromium
Green Molybdenum Molybdenum

0.1% carbon, 10.5 to 17% chromium. Mainly used for tooling, cutting tools and springs.

Applications

Cutlery, cutting tools, construction tools ...

D: Drawing ED: Extra Drawing H: Hardening M: Modifi ed R: Resistance improved B: Basler norm C: Corrosion resistance improved
(1) Common designation.
(2) Pending update of the standard.
(3) With copper addition and 201.1 “rich side” properties per ASTM A240.
(4) Available under certain conditions: check with your sales contact.
(5) Tensile values given in the rolling direction, according to ISO 6892-1. Cold worked properties according to customer specifications available on request.
(6) In addition for this grade: C1500: Rm 1500-1700.
(7) Consult us for thicker than 1.0 mm.

Forms

Coil - Strip

Blank - Sheet - Plate