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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…
Rm (MPa)
490 MPa
Tvrdoća
HB
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 …
Rm (MPa)
515 MPa
Tvrdoća
HB
X14CrMoS17 (416)
Free-Machining Martensitic Stainless
416 — sulphur-bearing free-machining martensitic stainless. Best machinability of all stainless steels at 85% vs B1112. …
Rm (MPa)
620–800 MPa
Tvrdoća
HB
X17CrNi16-2 (431)
Martensitic Stainless Steel
Precipitation-capable martensitic stainless with moderate corrosion resistance and high strength. For marine pump shafts…
Rm (MPa)
800–1,000 MPa
Tvrdoća
HB
X20Cr13 (420)
Martensitic Stainless Steel
Martensitic stainless steel hardenable to HRC 48-52. Used for cutlery, surgical instruments, turbine blades and pump sha…
Rm (MPa)
700–900 MPa
Tvrdoća
HB
X2CrNi19-11 (304L)
Austenitic Stainless Steel
Low-carbon 304L stainless. C<=0.030% prevents sensitisation in welded fabrications without post-weld annealing. Standard…
Rm (MPa)
485–680 MPa
Tvrdoća
HB
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…
Rm (MPa)
485–690 MPa
Tvrdoća
HB
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…
Rm (MPa)
620 MPa
Tvrdoća
HB
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…
Rm (MPa)
620–880 MPa
Tvrdoća
HB
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…
Rm (MPa)
795 MPa
Tvrdoća
HB
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…
Rm (MPa)
600 MPa
Tvrdoća
HB
X3CrNiMo13-4
Martensitic Stainless Steel
13/4 supermartensitic stainless — Rm 830-1000 MPa. Excellent toughness at high strength. Standard for hydraulic turbine …
Rm (MPa)
830–1,000 MPa
Tvrdoća
HB
X5CrNi18-10 (AISI 304)
Austenitic Stainless Steel
Standard 18-8 austenitic stainless steel. Excellent corrosion resistance, good formability. Most widely used stainless g…
Rm (MPa)
515–690 MPa
Tvrdoća
HB
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…
Rm (MPa)
930–1,100 MPa
Tvrdoća
HB
X5CrNiMo17-12-2 (316)
Austenitic Stainless Steel
Standard Mo-bearing austenitic stainless 316. Better corrosion resistance than 304. For marine, chemical and pharmaceuti…
Rm (MPa)
515–690 MPa
Tvrdoća
HB
X6Cr17 (430)
Ferritic Stainless Steel
Standard ferritic stainless steel 430. Non-hardenable, magnetic, good corrosion resistance. For automotive trim, kitchen…
Rm (MPa)
430–630 MPa
Tvrdoća
HB
X6CrNiTi18-10 (321)
Austenitic Stainless Steel
Ti-stabilised austenitic stainless. Immune to sensitisation at 425-900 C service temperatures. Standard for exhaust syst…
Rm (MPa)
515–710 MPa
Tvrdoća
HB
X6CrNiTi18-10 (321)
Austenitic Stainless Steel
321 — Ti-stabilised austenitic stainless. Resistant to sensitisation in welded condition at elevated temperatures. For w…
Rm (MPa)
515 MPa
Tvrdoća
HB
X90CrMoV18 (440C)
Martensitic Stainless Steel
Highest-hardness martensitic stainless steel. HRC 56-60 after hardening. For cutlery, surgical blades, ball bearings and…
Rm (MPa)
MPa
Tvrdoća
HB