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S20CK

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S15CK SAPH32
#S20CK

Description

China CNS S20CK China Taiwan Structural steel and S20CK Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: S20CK
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel S20CK CNS China China Taiwan Structural steel
S40C
S43C
S45C
S48C
S50C
S53C
S55C
S58C
S9CK
S15CK

Chemical composition(mass fraction)(wt.%) of the S20CK

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) N(%) Cu(%)
0.18-0.23 0.15-0.35 0.30-0.60 0.025 0.025 0.20 0.20 0.25

Mechanical Properties of steel grade S20CK

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)
522 (≥) 782 (≥) 14 11 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 141

Physical Properties of steel grade S20CK

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
41 - -     0.22 -  
436 715 - 13.3 143   -  
551 - 33 34.2   212 224

Heat Treatment of steel grade S20CK

Heat treated : 1358°C - 1248°C

Technological Curves of steel grade S20CK

Cross Reference Table (Equivalent Grade) of S20CK

Grade Standard Country Application
S20CK CNS China China Taiwan Structural steel
S15CK SAPH32
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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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