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China 宝钢Q/BQB 19Mn6 锅炉及压力容器用热连轧钢板及钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 19Mn6 / 19Mn6
Category Grade Standard Region/Area Standard Content
Metals 19Mn6 Q/BQB 320 China 锅炉及压力容器用热连轧钢板及钢带

Chemical composition(mass fraction)(wt.%) of the 19Mn6

Element Min Max Similar
Cu - 0.3000 -
Ti - 0.0300 -
Nb - 0.0100 -
V - 0.0200 -
Mo - 0.0800 -
Ni - 0.3000 -
Cr - 0.3000 -
P - 0.0300 -
S - 0.0500 -
Mn 1.0000 1.6000 -
Si 0.3000 0.6000 -
C 0.1500 0.2200 -

Mechanical Properties of steel grade 19Mn6

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)
643 (≥) 867 (≥) 23 23 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 211

Physical Properties of steel grade 19Mn6

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
43 - -     0.32 -  
312 828 - 21.3 222   -  
532 - 31 43.2   313 121

Heat Treatment of steel grade 19Mn6

Heat treated : 1433°C - 1967°C

Technological Curves of steel grade 19Mn6

Cross Reference Table (Equivalent Grade) of 19Mn6

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