0.7688

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#0.7688

Description

0.7688 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: 0.7688

Category	Type	Steel Grade
Steel Grades	Mould Steel	0.7688
		0.7677
		GGG-NiSiCr30-5-2
		0.7679
		GGG-NiSiCr30-5-5
		0.7680
		GGG-Ni35
		0.7683
		GGG-NiCr35-3
		0.7685
		GGG-NiSiCr35-5-2

Chemical composition(mass fraction)(wt.%) of the 0.7688

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
2.0	4.0-6.0	0.5-1.5			1.5-2.5	34.0 -36.0
Mo	Al	Cu	Nb	Ti	V	Ce

N	Co	Pb	B	Other

Mechanical Properties of steel grade 0.7688

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)
836 (≥)	199 (≥)	23	44	12	Solution and Aging, Annealing, Ausaging, Q+T,etc	112

Physical Properties of steel grade 0.7688

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	-	-			0.14	-
517	816	-	11.3	333		-
943	-	34	14.2			431	131

Heat Treatment of steel grade 0.7688

Heat treated : 1836°C - 1715°C

Technological Curves of steel grade 0.7688

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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