STC55

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#STC55

Description

STC55 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: STC55

Category	Type	Steel Grade
Steel Grades	Carbon Steel	STC55
		SG37
		STC370
		STC38
		STC440
		STC45
		STC510A
		STC52A
		STC510B
		STC52B
		STC540

Chemical composition(mass fraction)(wt.%) of the STC55

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.25	0.55	1.8	0.04	0.04
Mo	Al	Cu	Nb	Ti	V	Ce
			≤0.15
N	Co	Pb	B	Other

Mechanical Properties of steel grade STC55

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)
123 (≥)	188 (≥)	21	44	42	Solution and Aging, Annealing, Ausaging, Q+T,etc	123

Physical Properties of steel grade STC55

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
13	-	-			0.34	-
518	278	-	11.3	332		-
761	-	11	11.2			341	444

Heat Treatment of steel grade STC55

Heat treated : 1938°C - 1849°C

Technological Curves of steel grade STC55

No Curve

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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