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F738 Class A1-70 S30403

Description

USA SAE F 738M (2002) , F738 Class A1-70 S30403 Specialsteel Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: F738 Class A1-70 S30403
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel F738 Class A1-70 S30403 Austenite SAE USA Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs

Chemical composition(mass fraction)(wt.%) of the F738 Class A1-70 S30403

C Si Mn P S Cr Ni
≤0.03 ≤1.00 ≤2.00 ≤0.045 ≤0.03 18.0 -20.0 8.00 -12.0

Mechanical Properties of steel grade F738 Class A1-70 S30403

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)
522 (≥) 951 (≥) 31 21 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical Properties of steel grade F738 Class A1-70 S30403

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
41 - -     0.14 -  
797 466 - 23.3 132   -  
951 - 43 44.2   214 212

Heat Treatment of steel grade F738 Class A1-70 S30403

Heat treated : 1874°C - 1673°C

Technological Curves of steel grade F738 Class A1-70 S30403

Cross Reference Table (Equivalent Grade) of F738 Class A1-70 S30403

Grade Standard Country Application
S30403
S30403
S30403
S30403
S30403
S30403
S30403
S30403
S30403

Relevant standard of F738 Class A1-70 S30403

F 738M (2002) Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs F-738M--(2002)-.pdf

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