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SS540

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SS490 SM400A
#SS540

Description

China CNS SS540 China Taiwan Structural steel and SS540 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: SS540
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel SS540 CNS China China Taiwan Structural steel
SUP12
SUP13
SUJ1
SUJ2
SUJ3
SUJ4
SUJ5
SS34
SS400
SS490

Chemical composition(mass fraction)(wt.%) of the SS540

C(％) Si(％) Mn(％) P(％) S(％)
Max 0.30 — 1.6 0.05 0.05

Mechanical Properties of steel grade SS540

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)
127 (≥) 462 (≥) 24 33 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical Properties of steel grade SS540

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
23 - -     0.13 -  
185 379 - 22.3 413   -  
172 - 23 44.2   311 222

Heat Treatment of steel grade SS540

Heat treated : 1826°C - 1321°C

Technological Curves of steel grade SS540

Cross Reference Table (Equivalent Grade) of SS540

Grade Standard Country Application
SS540 CNS China China Taiwan Structural steel
SS490 SM400A
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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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