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F738 Class A1-70 S30500

Description

USA SAE F 738M (2002), F738 Class A1-70 S30500 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 S30500
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel F738 Class A1-70 S30500 Austenite SAE USA Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs

Chemical composition(mass fraction)(wt.%) of the F738 Class A1-70 S30500

C Si Mn P S Cr Ni
≤0.12 ≤1.00 ≤2.00 ≤0.045 ≤0.030 17.0 -19.0 10.5 -13.0

Mechanical Properties of steel grade F738 Class A1-70 S30500

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)
272 (≥) 519 (≥) 22 32 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 211

Physical Properties of steel grade F738 Class A1-70 S30500

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
24 - -     0.31 -  
968 856 - 33.3 213   -  
791 - 34 41.2   132 243

Heat Treatment of steel grade F738 Class A1-70 S30500

Heat treated : 1425°C - 1835°C

Technological Curves of steel grade F738 Class A1-70 S30500

Cross Reference Table (Equivalent Grade) of F738 Class A1-70 S30500

Relevant standard of F738 Class A1-70 S30500

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

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