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A 705 634

Description

USA SAE A 705/A 705M (2009), A 705 634 Specialsteel Age-Hardening Stainless Steel Forgings and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: A 705 634
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 705 634 Precipitation-Hardening SAE USA Age-Hardening Stainless Steel Forgings

Chemical composition(mass fraction)(wt.%) of the A 705 634

C Mn Si P S Cr Ni Mo N
0.10 -0.15 0.50 -1.25 ≤0.50 ≤0.04 ≤0.03 15.00 -16.00 4.00 -5.00 2.50 -3.25 0.07 -0.13

Mechanical Properties of steel grade A 705 634

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)
236 (≥) 297 (≥) 33 12 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 424

Physical Properties of steel grade A 705 634

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
44 - -     0.32 -  
854 463 - 14.3 431   -  
326 - 32 13.2   134 433

Heat Treatment of steel grade A 705 634

Heat treated : 1561°C - 1653°C

Technological Curves of steel grade A 705 634

Cross Reference Table (Equivalent Grade) of A 705 634

Relevant standard of A 705 634

A 705/A 705M (2009) Age-Hardening Stainless Steel Forgings A-705-A-705M-(2009).pdf

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