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F 837 Class A1-70 S30430

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F 837 Class A1-55 S30430 F738 Class A1-70 S30430
#304Cu #XM-7 #S30430

Description

USA SAE F 837M (2002) , F 837 Class A1-70 S30430 Specialsteel Standard Specification for Stainless Steel Socket Head Cap Screws (Metric) and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: F 837 Class A1-70 S30430
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel F 837 Class A1-70 S30430 Austenite SAE USA Standard Specification for Stainless Steel Socket Head Cap Screws (Metric)

Chemical composition(mass fraction)(wt.%) of the F 837 Class A1-70 S30430

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 F 837 Class A1-70 S30430

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)
244 (≥) 899 (≥) 43 43 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 441

Physical Properties of steel grade F 837 Class A1-70 S30430

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
21 - -     0.34 -  
391 834 - 43.3 313   -  
823 - 24 43.2   231 124

Heat Treatment of steel grade F 837 Class A1-70 S30430

Heat treated : 1687°C - 1557°C

Technological Curves of steel grade F 837 Class A1-70 S30430

Cross Reference Table (Equivalent Grade) of F 837 Class A1-70 S30430

Grade Standard Country Application
SUS304Cu
SUS304Cu
XM-7
S30430
S30430
UNS S30430
UNS S30430

Relevant standard of F 837 Class A1-70 S30430

F 837M (2002) Standard Specification for Stainless Steel Socket Head Cap Screws (Metric) F-837M--(2002)-.pdf
F 837 Class A1-55 S30430 F738 Class A1-70 S30430
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