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China GB 20MnTiB 合金结构钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 20MnTiB / 20MnTiB
Category Grade Standard Region/Area Standard Content
Metals 20MnTiB GB/T 3077 China 合金结构钢

Chemical composition(mass fraction)(wt.%) of the 20MnTiB

Element Min Max Similar

Mechanical Properties of steel grade 20MnTiB

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)
874 (≥) 479 (≥) 14 44 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 124

Physical Properties of steel grade 20MnTiB

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 - -     0.11 -  
168 579 - 44.3 341   -  
656 - 44 32.2   432 132

Heat Treatment of steel grade 20MnTiB

Heat treated : 1932°C - 1486°C

Technological Curves of steel grade 20MnTiB

Cross Reference Table (Equivalent Grade) of 20MnTiB

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