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SUM31

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SUM25 SUM31L
#SUM31

Description

China CNS SUM31 China Taiwan Structural steel and SUM31 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: SUM31
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel SUM31 CNS China China Taiwan Structural steel
SCM822H
SUM11
SUM12
SUM11
SUM22
SUM22L
SUM23
SUM23L
SUM24L
SUM25

Chemical composition(mass fraction)(wt.%) of the SUM31

C(％) Mn(％) P(％) S(％) Pb(%)
0.14-0.20 1.00-1.30 0.04 0.08-0.13 —

Mechanical Properties of steel grade SUM31

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)
886 (≥) 359 (≥) 34 24 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 142

Physical Properties of steel grade SUM31

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 - -     0.31 -  
526 728 - 44.3 133   -  
619 - 11 22.2   231 114

Heat Treatment of steel grade SUM31

Heat treated : 1985°C - 1579°C

Technological Curves of steel grade SUM31

Cross Reference Table (Equivalent Grade) of SUM31

Grade Standard Country Application
SUM31 CNS China China Taiwan Structural steel
SUM31L CNS China China Taiwan Structural steel
SUM25 SUM31L
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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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