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A 958 Grade SC 8630 Class 70/36

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A 958 Grade SC 4330 Class 70/36 B 30 70C
#307

Description

USA SAE A 958/A 958M (2010), A 958 Grade SC 8630 Class 70/36 Specialsteel Standard Specification for Steel Castings, Carbon and Alloy, with Tensile Requirements, Chemical Requirements Similar to Standard Wrought Grades and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: A 958 Grade SC 8630 Class 70/36
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 958 Grade SC 8630 Class 70/36 Precipitation-Hardening SAE USA Standard Specification for Steel Castings, Carbon and Alloy, with Tensile Requirements, Chemical Requirements Similar to Standard Wrought Grades

Chemical composition(mass fraction)(wt.%) of the A 958 Grade SC 8630 Class 70/36

C Si Mn P S Ni Cr Al Cu Ti Fe N Mo V
≤0.15 ≤1.00 3.75 -4.75 ≤0.045 ≤0.03 9.00 -10.50 19.00 -22.00 ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥

Mechanical Properties of steel grade A 958 Grade SC 8630 Class 70/36

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)
194 (≥) 349 (≥) 34 43 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

Physical Properties of steel grade A 958 Grade SC 8630 Class 70/36

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 - -     0.12 -  
625 845 - 32.3 344   -  
516 - 23 21.2   132 244

Heat Treatment of steel grade A 958 Grade SC 8630 Class 70/36

Heat treated : 1698°C - 1721°C

Technological Curves of steel grade A 958 Grade SC 8630 Class 70/36

Cross Reference Table (Equivalent Grade) of A 958 Grade SC 8630 Class 70/36

Grade Standard Country Application
1.4307
1.2307
307
K30736
K30736
AWS E307
UNS W30710
AWS ER307
UNS S30780
T11307
T11307
1.2307
1.2307
1.4307
1.4307

Relevant standard of A 958 Grade SC 8630 Class 70/36

A 958/A 958M (2010) Standard Specification for Steel Castings, Carbon and Alloy, with Tensile Requirements, Chemical Requirements Similar to Standard Wrought Grades A-958-A-958M-(2010).pdf
A 958 Grade SC 4330 Class 70/36 B 30 70C
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