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F738 Class A1-70 S20300

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F738 Class A1-50 S20300 F738 Class A1-80 S20300
#203EZ(XM-1) #S20300

Description

USA SAE F 738M (2002), F738 Class A1-70 S20300 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 S20300
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel F738 Class A1-70 S20300 Austenite SAE USA Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs

Chemical composition(mass fraction)(wt.%) of the F738 Class A1-70 S20300

C Mn Si P S Cr Ni Mo Cu
≤0.08 5.00 -6.50 ≤1.00 ≤0.04 0.18 -0.35 16.00 -18.00 5.00 -6.00 ≤0.50 1.75 -2.25

Mechanical Properties of steel grade F738 Class A1-70 S20300

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)
117 (≥) 519 (≥) 12 21 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 122

Physical Properties of steel grade F738 Class A1-70 S20300

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 - -     0.11 -  
128 693 - 34.3 124   -  
962 - 14 43.2   413 432

Heat Treatment of steel grade F738 Class A1-70 S20300

Heat treated : 1294°C - 1266°C

Technological Curves of steel grade F738 Class A1-70 S20300

Cross Reference Table (Equivalent Grade) of F738 Class A1-70 S20300

Grade Standard Country Application
S20300
S20300

Relevant standard of F738 Class A1-70 S20300

F 738M (2002) Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs F-738M-(2002).pdf
F738 Class A1-50 S20300 F738 Class A1-80 S20300
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Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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