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SWRCH20K

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SWRCH18K SWRCH22K
#SWRCH20K

Description

China CNS SWRCH20K China Taiwan Structural steel and SWRCH20K Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: SWRCH20K
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel SWRCH20K CNS China China Taiwan Structural steel
SWRCH18A
SWRCH19A
SWRCH20A
SWRCH22A
SWRCH10K
SWRCH12K
SWRCH15K
SWRCH16K
SWRCH17K
SWRCH18K

Chemical composition(mass fraction)(wt.%) of the SWRCH20K

C(％) Si(％) Mn(％) P(％) S(％) Al(%)
0.18-0.23 0.10-0.35 0.30-0.60 0.030 Max 0.035 —

Mechanical Properties of steel grade SWRCH20K

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)
287 (≥) 866 (≥) 14 32 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 334

Physical Properties of steel grade SWRCH20K

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
24 - -     0.31 -  
377 457 - 12.3 214   -  
947 - 42 14.2   443 414

Heat Treatment of steel grade SWRCH20K

Heat treated : 1296°C - 1757°C

Technological Curves of steel grade SWRCH20K

Cross Reference Table (Equivalent Grade) of SWRCH20K

Grade Standard Country Application
SWRCH20K CNS China China Taiwan Structural steel
SWRCH18K SWRCH22K
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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