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ZK55SiMnMo

China GB ZK55SiMnMo 凿岩钎杆用中空钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: ZK55SiMnMo / ZK55SiMnMo
Category Grade Standard Region/Area Standard Content
Metals ZK55SiMnMo GB/T 1301 China 凿岩钎杆用中空钢

Chemical composition(mass fraction)(wt.%) of the ZK55SiMnMo

Element Min Max Similar
Si 1.1000 1.4000 -
S - 0.0250 -
P - 0.0250 -
Mo 0.4000 0.5500 -
Mn 0.6000 0.9000 -
Cu - 0.2500 -
C 0.5000 0.6000 -

Mechanical Properties of steel grade ZK55SiMnMo

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)
837 (≥) 195 (≥) 24 21 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical Properties of steel grade ZK55SiMnMo

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
12 - -     0.41 -  
514 648 - 22.3 243   -  
983 - 41 41.2   214 322

Heat Treatment of steel grade ZK55SiMnMo

Heat treated : 1319°C - 1576°C

Technological Curves of steel grade ZK55SiMnMo

Cross Reference Table (Equivalent Grade) of ZK55SiMnMo

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