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China YB M15 电焊锚链用圆钢技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: M15 / M15
Category Grade Standard Region/Area Standard Content
Metals M15 YB 897 China 电焊锚链用圆钢技术条件

Chemical composition(mass fraction)(wt.%) of the M15

Element Min Max Similar
Si - 0.0500 -
S - 0.0400 -
P - 0.0400 -
Ni - 0.3000 -
Mn 0.3000 0.6000 -
Cu - 0.3000 -
Cr - 0.2500 -
C 0.1200 0.1800 -

Mechanical Properties of steel grade M15

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)
756 (≥) 586 (≥) 32 31 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 341

Physical Properties of steel grade M15

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
32 - -     0.21 -  
597 448 - 41.3 331   -  
249 - 34 43.2   112 333

Heat Treatment of steel grade M15

Heat treated : 1822°C - 1264°C

Technological Curves of steel grade M15

Cross Reference Table (Equivalent Grade) of M15

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