GMW3161M-ST-S X12CrNi25-21

USA GM GMW 3161-2005 GMW3161M-ST-S X12CrNi25-21 Stainless Steel for Exhaust Applications and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

GM GMW3161M-ST-S X12CrNi25-21 GM GMW3161M-ST-S X12CrNi25-21 Datasheet
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel GMW3161M-ST-S X12CrNi25-21 Austenite GM USA Stainless Steel for Exhaust Applications
Datasheet for:Steel Grades:Specialsteel:GMW3161M-ST-S X12CrNi25-21

Chemical composition(mass fraction)(wt.%) of the GMW3161M-ST-S X12CrNi25-21

Elements Min.(≥) Max.(≤)
C - 0.25
Mn - 2.00
Si - 1.50
P - 0.045
S - 0.03
Cr 24.00 26.00
Ni 19.00 22.00

Mechanical properties / Mechanische Eigenschaften / Caracteristiques mecaniques of grade GMW3161M-ST-S X12CrNi25-21

Rp0.2 (MPa)
Rm (MPa)
KV/Ku (J)
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
312 (≥) 747 (≥) 24 24 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 423
Modulus of elasticity
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
Specific thermal capacity
Specific electrical resistivity
(Ω mm²/m)
Poisson’s coefficient, ν
34 - -     0.43 -  
933 315 - 31.3 432   -  
145 - 24 23.2   141 412
Heat treated : 1771°C - 1175°C
The material does not have direct Metallography properties.
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
GMW3161M-ST-S X12CrNi25-21 GM USA
Stainless Steel for Exhaust Applications
Relevant standard
Standard No. Description Download
GMW 3161-2005 Stainless Steel for Exhaust Applications
Contact Suppliers with your enquiries for GMW3161M-ST-S X12CrNi25-21 any of the shape and size.

Tool & Die Steels Inc.

Stainless Steel, Special Steel, Compressor Blading, Turbine Blading, Superalloy Supplier.
GMW 3161-2005, GMW3161M-ST-S X12CrNi25-21 can be supplied as steel plate/ sheet, round steel bar, steel tube/pipe, steel stripe, steel billet, steel ingot, steel wire rods. electroslag, forged ring/ block,etc.
E-mail: [email protected]

Shaft, Ring, Disks, Cylinder

GMW3161M-ST-S X12CrNi25-21 Forged


Special shaped profile steel

GMW3161M-ST-S X12CrNi25-21 Steel


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GMW3161M-ST-S X12CrNi25-21 Parts

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