S20CK

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#S20CK

Description

S20CK Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: S20CK

Category	Type	Steel Grade
Steel Grades	Carbon Steel	S20CK
		SMA58P
		SPA-H
		SPA-C
		S09CK
		S10C
		S12C
		S15C
		S15CK
		S17C
		S20C

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

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.18-0.23	0.15-0.35	0.3-0.6	0.025	0.025	≤0.2	≤0.2
Mo	Al	Cu	Nb	Ti	V	Ce
		≤0.25
N	Co	Pb	B	Other
				Cr+Ni≤0.3

Mechanical Properties of steel grade S20CK

Yield R_p0.2 (MPa)	Tensile R_m (MPa)	Impact KV/Ku (J)	Elongation A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
462 (≥)	833 (≥)	12	33	14	Solution and Aging, Annealing, Ausaging, Q+T,etc	434

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
31	-	-			0.33	-
778	447	-	34.3	241		-
836	-	21	23.2			141	111

Heat Treatment of steel grade S20CK

Heat treated : 1723°C - 1342°C

Technological Curves of steel grade S20CK

No Curve

Cross Reference Table (Equivalent Grade) of S20CK

Grade	Standard	Country	Application
S20CK		China	China Taiwan Structural steel

Available Suppliers

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...

Rfq.: sales@longhaisteel.com

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