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Russia GOST AS20HGNM Constructional rolled steel of improved and high cutting machinability. Specification and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: AS20HGNM / AS20HGNM
Category Grade Standard Region/Area Standard Content
Metals AS20HGNM GOST 1414 Russia Constructional rolled steel of improved and high cutting machinability. Specification

Chemical composition(mass fraction)(wt.%) of the AS20HGNM

Element Min Max Similar

Mechanical Properties of steel grade AS20HGNM

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)
548 (≥) 722 (≥) 42 31 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 413

Physical Properties of steel grade AS20HGNM

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
12 - -     0.13 -  
663 224 - 13.3 241   -  
231 - 44 33.2   343 143

Heat Treatment of steel grade AS20HGNM

Heat treated : 1398°C - 1584°C

Technological Curves of steel grade AS20HGNM

Cross Reference Table (Equivalent Grade) of AS20HGNM

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