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F738 Class A2-70 S34700

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F738 Class A2-50 S34700 F738 Class A2-80 S34700
#347 #S34700

Description

USA SAE F 738M (2002), F738 Class A2-70 S34700 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 A2-70 S34700
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel F738 Class A2-70 S34700 Austenite SAE USA Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs

Chemical composition(mass fraction)(wt.%) of the F738 Class A2-70 S34700

C Mn Si P S Cr Ni Ta
≤0.08 ≤2.00 ≤1.00 ≤0.045 ≤0.03 17.00 -19.00 9.00 -13.00 ≤1.10

Mechanical Properties of steel grade F738 Class A2-70 S34700

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)
567 (≥) 163 (≥) 11 21 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical Properties of steel grade F738 Class A2-70 S34700

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 - -     0.22 -  
636 463 - 24.3 242   -  
255 - 44 24.2   222 241

Heat Treatment of steel grade F738 Class A2-70 S34700

Heat treated : 1624°C - 1951°C

Technological Curves of steel grade F738 Class A2-70 S34700

Cross Reference Table (Equivalent Grade) of F738 Class A2-70 S34700

Grade Standard Country Application
1.4347
347
S34700
347H
S34709
S34751
347LN
S34700
347
S34709
347H
TP347
S34700
TP347H
S34709
TP347HFG
S34710
TP347LN
S34751
TP347

Relevant standard of F738 Class A2-70 S34700

F 738M (2002) Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs F-738M-(2002).pdf
F738 Class A2-50 S34700 F738 Class A2-80 S34700
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