A709 Gr.HPS70W

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#A709 #Gr.HPS70W

Description

A709 Gr.HPS70W Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: A709 Gr.HPS70W

Category	Type	Steel Grade
Steel Grades	Carbon Steel	A709 Gr.HPS70W
		A633 Gr.E
		A633 K12202
		A656 Type3
		A656 Type7
		A690 K12249
		A709 Gr.36
		A709 Gr.50
		A709 Gr.50S
		A709 Gr.50W
		A709 Gr.HPS50W

Chemical composition(mass fraction)(wt.%) of the A709 Gr.HPS70W

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.11	0.3-0.5	1.1-1.35	0.02	0.006	0.45-0.7	0.25-0.4
Mo	Al	Cu	Nb	Ti	V	Ce
0.02-0.08	0.01-0.04	0.25-0.4			0.04-0.08
N	Co	Pb	B	Other
≤0.015

Mechanical Properties of steel grade A709 Gr.HPS70W

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)
839 (≥)	622 (≥)	32	44	44	Solution and Aging, Annealing, Ausaging, Q+T,etc	131

Physical Properties of steel grade A709 Gr.HPS70W

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	-	-			0.31	-
864	268	-	14.3	213		-
777	-	24	14.2			241	312

Heat Treatment of steel grade A709 Gr.HPS70W

Heat treated : 1541°C - 1985°C

Technological Curves of steel grade A709 Gr.HPS70W

No Curve

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