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Stainless Steels

19 Materials

Austenitic, ferritic, martensitic and duplex stainless steels per EN 10088 (304, 316L, 2205, 420)

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N08904 (904L)
Super-Austenitic Stainless Steel
904L — high-alloy austenitic stainless with 4-5% Mo. PRE=34. Resistant to H2SO4, phosphoric acid and chloride pitting. F…
Tensile
490 MPa
Hardness
— HB
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X12CrNi25-21 (310S)
Austenitic Stainless Steel
310S — high Cr-Ni austenitic stainless for high temperature service to 1100 C. For furnace parts, annealing boxes, heat …
Tensile
515 MPa
Hardness
— HB
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X14CrMoS17 (416)
Free-Machining Martensitic Stainless
416 — sulphur-bearing free-machining martensitic stainless. Best machinability of all stainless steels at 85% vs B1112. …
Tensile
620–800 MPa
Hardness
— HB
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X17CrNi16-2 (431)
Martensitic Stainless Steel
Precipitation-capable martensitic stainless with moderate corrosion resistance and high strength. For marine pump shafts…
Tensile
800–1,000 MPa
Hardness
— HB
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X20Cr13 (420)
Martensitic Stainless Steel
Martensitic stainless steel hardenable to HRC 48-52. Used for cutlery, surgical instruments, turbine blades and pump sha…
Tensile
700–900 MPa
Hardness
— HB
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X2CrNi19-11 (304L)
Austenitic Stainless Steel
Low-carbon 304L stainless. C<=0.030% prevents sensitisation in welded fabrications without post-weld annealing. Standard…
Tensile
485–680 MPa
Hardness
— HB
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X2CrNiMo17-12-2 (AISI 316L)
Austenitic Stainless Steel
Low-carbon Mo-bearing austenitic stainless. Best all-round grade for welded chemical, marine and pharmaceutical fabricat…
Tensile
485–690 MPa
Hardness
— HB
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X2CrNiMoN22-5-3 (2205 Duplex)
Duplex Stainless Steel
2205 duplex stainless — Rm 620 MPa, PRE=35. Double the strength of 316L with better pitting resistance. Standard for off…
Tensile
620 MPa
Hardness
— HB
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X2CrNiMoN22-5-3 (Duplex 2205)
Duplex Stainless Steel
Standard duplex stainless. Twice the yield strength of 316L, PRE approx 35. Excellent SCC resistance. Standard for offsh…
Tensile
620–880 MPa
Hardness
— HB
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X2CrNiMoN25-7-4 (Super Duplex 2507)
Super Duplex Stainless Steel
Super duplex 2507 — PRE=42-45, yield strength 550 MPa. For the most aggressive chloride and acid environments: subsea, d…
Tensile
795 MPa
Hardness
— HB
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X2CrNiN23-4 (Duplex 2304)
Lean Duplex Stainless Steel
Duplex 2304 — lean duplex without Mo. Lower cost than 2205 with better strength than 304. PRE=24. For bridges, coastal s…
Tensile
600 MPa
Hardness
— HB
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X3CrNiMo13-4
Martensitic Stainless Steel
13/4 supermartensitic stainless — Rm 830-1000 MPa. Excellent toughness at high strength. Standard for hydraulic turbine …
Tensile
830–1,000 MPa
Hardness
— HB
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X5CrNi18-10 (AISI 304)
Austenitic Stainless Steel
Standard 18-8 austenitic stainless steel. Excellent corrosion resistance, good formability. Most widely used stainless g…
Tensile
515–690 MPa
Hardness
— HB
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X5CrNiCuNb16-4 (17-4PH)
Precipitation-Hardening Stainless Steel
17-4PH — most widely used PH stainless. Rm up to 1310 MPa in H900. Combines stainless corrosion resistance with high-str…
Tensile
930–1,100 MPa
Hardness
— HB
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X5CrNiMo17-12-2 (316)
Austenitic Stainless Steel
Standard Mo-bearing austenitic stainless 316. Better corrosion resistance than 304. For marine, chemical and pharmaceuti…
Tensile
515–690 MPa
Hardness
— HB
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X6Cr17 (430)
Ferritic Stainless Steel
Standard ferritic stainless steel 430. Non-hardenable, magnetic, good corrosion resistance. For automotive trim, kitchen…
Tensile
430–630 MPa
Hardness
— HB
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X6CrNiTi18-10 (321)
Austenitic Stainless Steel
Ti-stabilised austenitic stainless. Immune to sensitisation at 425-900 C service temperatures. Standard for exhaust syst…
Tensile
515–710 MPa
Hardness
— HB
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X6CrNiTi18-10 (321)
Austenitic Stainless Steel
321 — Ti-stabilised austenitic stainless. Resistant to sensitisation in welded condition at elevated temperatures. For w…
Tensile
515 MPa
Hardness
— HB
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X90CrMoV18 (440C)
Martensitic Stainless Steel
Highest-hardness martensitic stainless steel. HRC 56-60 after hardening. For cutlery, surgical blades, ball bearings and…
Tensile
— MPa
Hardness
— HB
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