GX40CrNi27-4

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#GX40CrNi27-4

Description

GX40CrNi27-4 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: GX40CrNi27-4

Category	Type	Steel Grade
Steel Grades	Mould Steel	GX40CrNi27-4
		GX70CrMo29-2
		1.4136
		GX120CrMo29-2
		1.4138
		GX2CrNi19-11
		1.4309
		GX10CrNi18-8
		1.4312
		GX4CrNi13-4
		1.4317

Chemical composition(mass fraction)(wt.%) of the GX40CrNi27-4

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.30-0.50	2.00	1.50	0.045	0.030	26.0-28.0	3.50-5.00
Mo	Al	Cu	Nb	Ti	V	Ce

N	Co	Pb	B	Other

Mechanical Properties of steel grade GX40CrNi27-4

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)
315 (≥)	621 (≥)	22	42	32	Solution and Aging, Annealing, Ausaging, Q+T,etc	143

Physical Properties of steel grade GX40CrNi27-4

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	-	-			0.12	-
644	892	-	12.3	441		-
941	-	43	31.2			232	413

Heat Treatment of steel grade GX40CrNi27-4

Heat treated : 1944°C - 1746°C

Technological Curves of steel grade GX40CrNi27-4

No Curve

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