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POLDI MAXIMUM SPECIAL 30

Global 企业标准 POLDIMAXIMUMSPECIAL30 and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals POLDI MAXIMUM SPECIAL 30 -- Global

Chemical composition(mass fraction)(wt.%) of the POLDI MAXIMUM SPECIAL 30

Element Min Max Similar
W - 17.5000 -
V - 1.3500 -
Si - 0.2500 -
Mn - 0.2000 -
Cr - 4.1500 -
Co - 3.0000 -
C - 0.7000 -

Mechanical Properties of steel grade POLDI MAXIMUM SPECIAL 30

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)
697 (≥) 994 (≥) 43 44 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical Properties of steel grade POLDI MAXIMUM SPECIAL 30

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
13 - -     0.33 -  
937 869 - 21.3 243   -  
157 - 22 31.2   134 223

Heat Treatment of steel grade POLDI MAXIMUM SPECIAL 30

Heat treated : 1749°C - 1919°C

Technological Curves of steel grade POLDI MAXIMUM SPECIAL 30

Cross Reference Table (Equivalent Grade) of POLDI MAXIMUM SPECIAL 30

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