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Description

USA AMS SA/JIS G4303 , SUSXM7 Specialsteel Specification for stainless steel bars and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: SUSXM7
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SUSXM7 Austenite AMS USA Specification for stainless steel bars

Chemical composition(mass fraction)(wt.%) of the SUSXM7

C Si Mn P S Cr Ni Cu
≤0.08 ≤1.00 ≤2.00 ≤0.045 ≤0.03 17.0 -19.0 8.00 -10.0 3.00 -4.00

Mechanical Properties of steel grade SUSXM7

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
786 (≥) 546 (≥) 44 43 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 241

Physical Properties of steel grade SUSXM7

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
21 - -     0.13 -  
911 146 - 32.3 331   -  
725 - 24 14.2   232 123

Heat Treatment of steel grade SUSXM7

Heat treated : 1737°C - 1733°C

Technological Curves of steel grade SUSXM7

Cross Reference Table (Equivalent Grade) of SUSXM7

Grade Standard Country Application
SUS304Cu
SUS304Cu
XM-7

Relevant standard of SUSXM7

SA/JIS G4303 Specification for stainless steel bars SA-JIS-G4303-.pdf

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