1.7139

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#1.7139

Description

1.7139 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: 1.7139

Category	Type	Steel Grade
Steel Grades	Carbon Steel	1.7139
		1.7027
		20CrS4
		1.7028
		28CrS4
		1.7036
		28Cr4
		1.7030
		16MnCr5
		1.7131
		16MnCrS5

Chemical composition(mass fraction)(wt.%) of the 1.7139

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.14-0.19	0.40	1.00-1.30	0.035	0.035	0.80-1.10
Mo	Al	Cu	Nb	Ti	V	Ce

N	Co	Pb	B	Other

Mechanical Properties of steel grade 1.7139

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)
777 (≥)	844 (≥)	22	33	41	Solution and Aging, Annealing, Ausaging, Q+T,etc	321

Physical Properties of steel grade 1.7139

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	-	-			0.42	-
925	955	-	22.3	434		-
999	-	32	13.2			323	422

Heat Treatment of steel grade 1.7139

Heat treated : 1877°C - 1912°C

Technological Curves of steel grade 1.7139

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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