1.7709

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#1.7709

Description

1.7709 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: 1.7709

Category	Type	Steel Grade
Steel Grades	High Alloy	1.7709
		1.7715
		21MoV5-3
		1.5404
		17MoV8-4
		1.5406
		40CrMoV4-6
		1.7711
		24CrMoV5-5
		1.7733
		21CrMoV5-7

Chemical composition(mass fraction)(wt.%) of the 1.7709

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.17-0.25	0.40	0.40-0.80	0.030	0.030	1.20-1.50	≤ 0.60
Mo	Al	Cu	Nb	Ti	V	Ce
0.55-0.80	≤ 0.030				0.20-0.35
N	Co	Pb	B	Other

Mechanical Properties of steel grade 1.7709

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)
883 (≥)	895 (≥)	43	31	34	Solution and Aging, Annealing, Ausaging, Q+T,etc	442

Physical Properties of steel grade 1.7709

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
12	-	-			0.13	-
883	359	-	24.3	142		-
645	-	32	21.2			321	422

Heat Treatment of steel grade 1.7709

Heat treated : 1967°C - 1194°C

Technological Curves of steel grade 1.7709

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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