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A959 Type 16-8-2H

America ASTM A959Type16-8-2H 锻制不锈钢用说明协调标准等级构成的标准指南 and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals A959 Type 16-8-2H ASTM A959 America 锻制不锈钢用说明协调标准等级构成的标准指南

Chemical composition(mass fraction)(wt.%) of the A959 Type 16-8-2H

Element Min Max Similar
Si - 1.0000 -
S - 0.0300 -
P - 0.0450 -
Ni 7.5000 9.5000 -
Mo 1.5000 2.0000 -
Mn - 2.0000 -
Cr 14.5000 16.5000 -
C 0.0500 0.1000 -

Mechanical Properties of steel grade A959 Type 16-8-2H

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)
677 (≥) 977 (≥) 11 32 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 221

Physical Properties of steel grade A959 Type 16-8-2H

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
24 - -     0.44 -  
823 556 - 44.3 114   -  
817 - 21 23.2   223 332

Heat Treatment of steel grade A959 Type 16-8-2H

Heat treated : 1824°C - 1112°C

Technological Curves of steel grade A959 Type 16-8-2H

Cross Reference Table (Equivalent Grade) of A959 Type 16-8-2H

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