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SM55

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SM50 SM1CrNi3
#SM55

Description

China SM55 Plastic mould with flat steel and SM55 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: SM55
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy SM55 China Plastic mould with flat steel
8Cr3
4CrMnSiMoV
4Cr3Mo3SiV
4Cr5MoSiV
4Cr5MoSiV1
4Cr5W2VSi
7Mn15Cr2A13V2WMo
3Cr2Mo
SM45
SM50

Chemical composition(mass fraction)(wt.%) of the SM55

C(％) Si(％) Mn(％) P(％) S(％)
0.52～0.58 0.17～0.37 0.50～0.80 ≤0.030 ≤0.030

Mechanical Properties of steel grade SM55

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)
479 (≥) 758 (≥) 14 22 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical Properties of steel grade SM55

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
34 - -     0.34 -  
497 483 - 21.3 331   -  
529 - 41 13.2   223 341

Heat Treatment of steel grade SM55

Heat treated : 1471°C - 1728°C

Technological Curves of steel grade SM55

Cross Reference Table (Equivalent Grade) of SM55

Grade Standard Country Application
SM55 China Plastic mould with flat steel
SM50 SM1CrNi3
Available Suppliers
Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

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...

Rfq.: sales@longhaisteel.com
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