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F738 Class A1-70 S30300

Description

USA SAE F 738M (2002) , F738 Class A1-70 S30300 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 S30300
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel F738 Class A1-70 S30300 Austenite SAE USA Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs

Chemical composition(mass fraction)(wt.%) of the F738 Class A1-70 S30300

C Si Mn P S Cr Ni Mo
≤0.15 ≤1.00 ≤2.00 ≤0.2 0.15 - ≥ 17.0 -19.0 8.00 -10.0 ≤0.60

Mechanical Properties of steel grade F738 Class A1-70 S30300

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)
136 (≥) 157 (≥) 21 12 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 131

Physical Properties of steel grade F738 Class A1-70 S30300

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
33 - -     0.42 -  
674 335 - 43.3 322   -  
964 - 42 22.2   313 221

Heat Treatment of steel grade F738 Class A1-70 S30300

Heat treated : 1564°C - 1986°C

Technological Curves of steel grade F738 Class A1-70 S30300

Cross Reference Table (Equivalent Grade) of F738 Class A1-70 S30300

Relevant standard of F738 Class A1-70 S30300

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

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