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China GB NMZ18 铸造用磷铜钛低合金耐磨生铁 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: NMZ18 / NMZ18
Category Grade Standard Region/Area Standard Content
Metals NMZ18 GB 9949 China 铸造用磷铜钛低合金耐磨生铁

Chemical composition(mass fraction)(wt.%) of the NMZ18

Element Min Max Similar

Mechanical Properties of steel grade NMZ18

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)
171 (≥) 596 (≥) 23 31 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 233

Physical Properties of steel grade NMZ18

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
31 - -     0.44 -  
332 657 - 41.3 444   -  
213 - 11 34.2   324 222

Heat Treatment of steel grade NMZ18

Heat treated : 1761°C - 1371°C

Technological Curves of steel grade NMZ18

Cross Reference Table (Equivalent Grade) of NMZ18

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