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55SiMnVB

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55Si2MnB 60Si2Mn
#55SiMnVB

Description

China GBT 55SiMnVB China structural steel and alloy steel and 55SiMnVB Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 55SiMnVB
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 55SiMnVB GBT China China structural steel and alloy steel
ML35CrMoA
ML42CrMoA
ML38CrA
ML40CrMoA
GB 65
GB 70
GB 85
65Mn
55Si2Mn
55Si2MnB

Chemical composition(mass fraction)(wt.%) of the 55SiMnVB

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) V(%) B(%)
0.52-0.60 0.70-1.00 1.00-1.30 0.035 0.035 Max 0.35 Max 0.35 0.08-0.004 0.0005-0.004

Mechanical Properties of steel grade 55SiMnVB

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)
427 (≥) 646 (≥) 12 44 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 221

Physical Properties of steel grade 55SiMnVB

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
11 - -     0.41 -  
713 353 - 11.3 114   -  
995 - 24 41.2   442 432

Heat Treatment of steel grade 55SiMnVB

Heat treated : 1927°C - 1398°C

Technological Curves of steel grade 55SiMnVB

Cross Reference Table (Equivalent Grade) of 55SiMnVB

Grade Standard Country Application
55SiMnVB GBT China China structural steel and alloy steel
55Si2MnB 60Si2Mn
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...

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