1.7271

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#1.7271

Description

1.7271 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: 1.7271

Category	Type	Steel Grade
Steel Grades	Carbon Steel	1.7271
		16MnCrB5
		18CrMo4
		1.7243
		18CrMoS4
		1.7244
		15CrMo5
		1.7262
		20CrMo5
		1.7264
		20CrMoB3-3

Chemical composition(mass fraction)(wt.%) of the 1.7271

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.20-0.25	0.15-0.35	0.70-0.90	0.035	0.035	0.70-0.90
Mo	Al	Cu	Nb	Ti	V	Ce
0.30-0.40
N	Co	Pb	B	Other
			0.0008-0.005

Mechanical Properties of steel grade 1.7271

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)
151 (≥)	794 (≥)	33	21	33	Solution and Aging, Annealing, Ausaging, Q+T,etc	233

Physical Properties of steel grade 1.7271

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
23	-	-			0.22	-
944	346	-	34.3	431		-
682	-	14	34.2			443	111

Heat Treatment of steel grade 1.7271

Heat treated : 1578°C - 1837°C

Technological Curves of steel grade 1.7271

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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