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China GB 20MnTiBH 保证淬透性结构钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 20MnTiBH / 20MnTiBH
Category Grade Standard Region/Area Standard Content
Metals 20MnTiBH GB/T 5216 China 保证淬透性结构钢

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

Element Min Max Similar
Ti 0.0400 0.1000 -
Si 0.1700 0.3700 -
S - 0.0350 -
P - 0.0350 -
Ni - 0.3000 -
Mn 1.2000 1.5500 -
Cu - 0.3000 -
Cr - 0.3500 -
C 0.1700 0.2300 -
B 0.0005 0.0035 -

Mechanical Properties of steel grade 20MnTiBH

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)
344 (≥) 979 (≥) 32 32 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 243

Physical Properties of steel grade 20MnTiBH

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 - -     0.11 -  
726 738 - 44.3 442   -  
486 - 44 44.2   342 444

Heat Treatment of steel grade 20MnTiBH

Heat treated : 1593°C - 1918°C

Technological Curves of steel grade 20MnTiBH

Cross Reference Table (Equivalent Grade) of 20MnTiBH

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