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Description

USA SAE XM-28 Specialsteel Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: XM-28
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel XM-28 Austenite SAE USA Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels

Chemical composition(mass fraction)(wt.%) of the XM-28

C Mn P S Si Ni Cr N
≤0.15 11.0 -14.0 ≤0.045 ≤0.030 ≤1.00 0.5 -2.5 16.5 -19.5 0.20 -0.45

Mechanical Properties of steel grade XM-28

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)
867 (≥) 226 (≥) 31 24 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical Properties of steel grade XM-28

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
23 - -     0.22 -  
263 985 - 21.3 422   -  
332 - 23 33.2   111 442

Heat Treatment of steel grade XM-28

Heat treated : 1684°C - 1729°C

Technological Curves of steel grade XM-28

Cross Reference Table (Equivalent Grade) of XM-28

Grade Standard Country Application
XM-28
XM-28
S24100
S24100

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