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A 493 Type XM-7

Description

USA SAE A 493 , A 493 Type XM-7 Specialsteel Stainless Steel Wire and Wire Rods for Cold Heading and Cold Forging and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: A 493 Type XM-7
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 493 Type XM-7 Austenite SAE USA Stainless Steel Wire and Wire Rods for Cold Heading and Cold Forging

Chemical composition(mass fraction)(wt.%) of the A 493 Type XM-7

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 A 493 Type XM-7

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)
737 (≥) 518 (≥) 13 13 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 333

Physical Properties of steel grade A 493 Type XM-7

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
43 - -     0.23 -  
823 976 - 43.3 444   -  
556 - 43 43.2   442 123

Heat Treatment of steel grade A 493 Type XM-7

Heat treated : 1322°C - 1862°C

Technological Curves of steel grade A 493 Type XM-7

Cross Reference Table (Equivalent Grade) of A 493 Type XM-7

Grade Standard Country Application
SUS304Cu
SUS304Cu
XM-7

Relevant standard of A 493 Type XM-7

A 493 Stainless Steel Wire and Wire Rods for Cold Heading and Cold Forging A-493-.pdf

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