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SUM23

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SUM22L SUM23L
#SUM23

Description

China CNS SUM23 China Taiwan Structural steel and SUM23 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: SUM23
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel SUM23 CNS China China Taiwan Structural steel
SCM420H
SCM435H
SCM440H
SCM445H
SCM822H
SUM11
SUM12
SUM11
SUM22
SUM22L

Chemical composition(mass fraction)(wt.%) of the SUM23

C(％) Mn(％) P(％) S(％) Pb(%)
Max 0.09 0.75-1.05 0.040-0.09 0.26-0.35 —

Mechanical Properties of steel grade SUM23

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)
683 (≥) 973 (≥) 21 32 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical Properties of steel grade SUM23

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
31 - -     0.32 -  
872 466 - 21.3 323   -  
484 - 32 42.2   231 412

Heat Treatment of steel grade SUM23

Heat treated : 1986°C - 1117°C

Technological Curves of steel grade SUM23

Cross Reference Table (Equivalent Grade) of SUM23

Grade Standard Country Application
SUM23 CNS China China Taiwan Structural steel
SUM23L CNS China China Taiwan Structural steel
SUM22L SUM23L
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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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