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England B.S. 164-490 Specification for steel forgings for pressure purposes and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 164-490 / 164-490
Category Grade Standard Region/Area Standard Content
Metals 164-490 BS 1503 England Specification for steel forgings for pressure purposes

Chemical composition(mass fraction)(wt.%) of the 164-490

Element Min Max Similar

Mechanical Properties of steel grade 164-490

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)
952 (≥) 244 (≥) 32 42 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 332

Physical Properties of steel grade 164-490

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
42 - -     0.21 -  
558 792 - 34.3 144   -  
119 - 13 24.2   232 312

Heat Treatment of steel grade 164-490

Heat treated : 1493°C - 1379°C

Technological Curves of steel grade 164-490

Cross Reference Table (Equivalent Grade) of 164-490

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