1.4777

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#1.4777

Description

1.4777 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: 1.4777

Category	Type	Steel Grade
Steel Grades	Mould Steel	1.4777
		1.4710
		GX40CrSi13
		1.4729
		GX40CrSi17
		1.4740
		GX40CrSi24
		1.4745
		GX40CrSi28
		1.4776
		GX130CrSi29

Chemical composition(mass fraction)(wt.%) of the 1.4777

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
1.20-1.40	1.00-2.50	0.50-1.00	0.035	0.030	27.0-30.0	≤ 1.00
Mo	Al	Cu	Nb	Ti	V	Ce
≤ 0.50
N	Co	Pb	B	Other

Mechanical Properties of steel grade 1.4777

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)
191 (≥)	769 (≥)	12	11	13	Solution and Aging, Annealing, Ausaging, Q+T,etc	113

Physical Properties of steel grade 1.4777

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
34	-	-			0.32	-
987	741	-	32.3	133		-
146	-	14	42.2			313	141

Heat Treatment of steel grade 1.4777

Heat treated : 1589°C - 1756°C

Technological Curves of steel grade 1.4777

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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