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SUM12

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SUM11 SUM11
#SUM12

Description

China CNS SUM12 China Taiwan Structural steel and SUM12 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: SUM12
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel SUM12 CNS China China Taiwan Structural steel
SNCM220H
SNCM420H
SCM415H
SCM418H
SCM420H
SCM435H
SCM440H
SCM445H
SCM822H
SUM11

Chemical composition(mass fraction)(wt.%) of the SUM12

C(％) Mn(％) P(％) S(％) Pb(%)
0.08-0.13 0.60-0.90 Max 0.0400 0.08-0.13 —

Mechanical Properties of steel grade SUM12

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)
815 (≥) 214 (≥) 13 21 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical Properties of steel grade SUM12

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
22 - -     0.24 -  
887 979 - 21.3 133   -  
711 - 43 13.2   414 431

Heat Treatment of steel grade SUM12

Heat treated : 1671°C - 1925°C

Technological Curves of steel grade SUM12

Cross Reference Table (Equivalent Grade) of SUM12

Grade Standard Country Application
SUM12 CNS China China Taiwan Structural steel
SUM11 SUM11
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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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