1.2887

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#1.2887

Description

1.2887 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: 1.2887

Category	Type	Steel Grade
Steel Grades	Mould Steel	1.2887
		1.2320
		G48CrMoV6-7
		1.2326
		GS-80CrVW4-3
		1.2590
		GS-55NiCrMoV6
		1.2713
		GS-20MoNi33-13
		1.2778
		GS-34CoCrMoV19-12

Chemical composition(mass fraction)(wt.%) of the 1.2887

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.32-0.36	0.15-0.30	0.30-0.50	0.025	0.025	2.70-3.20
Mo	Al	Cu	Nb	Ti	V	Ce
2.70-3.20					0.60-0.80
N	Co	Pb	B	Other
	4.50-5.00

Mechanical Properties of steel grade 1.2887

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)
747 (≥)	649 (≥)	12	42	14	Solution and Aging, Annealing, Ausaging, Q+T,etc	322

Physical Properties of steel grade 1.2887

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
32	-	-			0.23	-
644	147	-	44.3	444		-
252	-	23	31.2			142	114

Heat Treatment of steel grade 1.2887

Heat treated : 1852°C - 1825°C

Technological Curves of steel grade 1.2887

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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