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Description

China SM48 Plastic mould with Hot-rolled steel plate and SM48 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: SM48
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy SM48 China Plastic mould with Hot-rolled steel plate
SM3Cr2Mo
SM3Cr2Ni1Mo
SM2CrNi3MoAl1S
SM4Cr5MoSiV
SM4Cr5MoSiV1
SMCr12Mo1V1
SM2Cr13
SM3Cr17Mo
SM4Cr13
SM45A

Chemical composition(mass fraction)(wt.%) of the SM48

C(%) Si(%) Mn(%) P(%) S(%)
0.45~0.51 0.17~0.37 0.50~0.80 ≤0.030 ≤0.030

Mechanical Properties of steel grade SM48

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)
719 (≥) 253 (≥) 34 14 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 213

Physical Properties of steel grade SM48

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
24 - -     0.32 -  
336 781 - 41.3 213   -  
267 - 42 23.2   141 431

Heat Treatment of steel grade SM48

Heat treated : 1639°C - 1569°C

Technological Curves of steel grade SM48

Cross Reference Table (Equivalent Grade) of SM48

Grade Standard Country Application
SM50 China Plastic mould with flat steel
SM48 China Plastic mould with Hot-rolled steel plate

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Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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