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F738 Class A1-50 S38400

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F 837 Class A1-70 S38400 F738 Class A1-70 S38400
#384 #S38400

Description

USA SAE F 738M (2002), F738 Class A1-50 S38400 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 A1-50 S38400
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel F738 Class A1-50 S38400 Austenite SAE USA Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs

Chemical composition(mass fraction)(wt.%) of the F738 Class A1-50 S38400

C Mn Si P S Cr Ni
≤0.08 ≤2.00 ≤1.00 ≤0.03 ≤0.03 15.00 -17.00 17.00 -19.00

Mechanical Properties of steel grade F738 Class A1-50 S38400

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)
283 (≥) 677 (≥) 34 34 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 434

Physical Properties of steel grade F738 Class A1-50 S38400

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
32 - -     0.44 -  
197 932 - 42.3 133   -  
123 - 12 11.2   411 423

Heat Treatment of steel grade F738 Class A1-50 S38400

Heat treated : 1916°C - 1989°C

Technological Curves of steel grade F738 Class A1-50 S38400

Cross Reference Table (Equivalent Grade) of F738 Class A1-50 S38400

Grade Standard Country Application
384
S38400
384(S38400)
SUS384
SUS384
SS14 2384
SS14 2384

Relevant standard of F738 Class A1-50 S38400

F 738M (2002) Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs F-738M-(2002).pdf
F 837 Class A1-70 S38400 F738 Class A1-70 S38400
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Jiangyou Longhai Special Steel Co.,Ltd.

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