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F 837 Class A1-50 S30300

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A 895 S30300 F 837 Class A1-55 S30300
#303 #S30300

Description

USA SAE F 837M (2002) , F 837 Class A1-50 S30300 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 A1-50 S30300
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel F 837 Class A1-50 S30300 Austenite SAE USA Standard Specification for Stainless Steel Socket Head Cap Screws (Metric)

Chemical composition(mass fraction)(wt.%) of the F 837 Class A1-50 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 F 837 Class A1-50 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)
521 (≥) 676 (≥) 32 24 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 422

Physical Properties of steel grade F 837 Class A1-50 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
22 - -     0.22 -  
631 751 - 24.3 442   -  
925 - 12 33.2   222 134

Heat Treatment of steel grade F 837 Class A1-50 S30300

Heat treated : 1161°C - 1235°C

Technological Curves of steel grade F 837 Class A1-50 S30300

Cross Reference Table (Equivalent Grade) of F 837 Class A1-50 S30300

Grade Standard Country Application
M303
1.4303
1.4303
1.2303
303
S30300
303Se
S30323
S30345
303MA
S30345
S30310
S43035
S43036
S43035
303Al Mod
S43035
303
S30300
S30310

Relevant standard of F 837 Class A1-50 S30300

F 837M (2002) Standard Specification for Stainless Steel Socket Head Cap Screws (Metric) F-837M--(2002)-.pdf
A 895 S30300 F 837 Class A1-55 S30300
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