GX40CrNiSi27-4

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#GX40CrNiSi27-4

Description

GX40CrNiSi27-4 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: GX40CrNiSi27-4

Category	Type	Steel Grade
Steel Grades	Mould Steel	GX40CrNiSi27-4
		GX25CrNiSi18 -9
		1.4825
		GX25CrNiSi20-14
		1.4832
		GX40CrNiSi22-10
		1.4826
		GX40CrNiSi25-12
		1.4837
		GX40CrNiSi25-20
		1.4848

Chemical composition(mass fraction)(wt.%) of the GX40CrNiSi27-4

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.30-0.50	1.00-2.50	1.50	0.040	0.030	25.0-28.0	3.00-6.00
Mo	Al	Cu	Nb	Ti	V	Ce
≤0.50
N	Co	Pb	B	Other

Mechanical Properties of steel grade GX40CrNiSi27-4

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)
812 (≥)	959 (≥)	34	21	23	Solution and Aging, Annealing, Ausaging, Q+T,etc	234

Physical Properties of steel grade GX40CrNiSi27-4

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
44	-	-			0.32	-
872	192	-	14.3	322		-
389	-	14	43.2			221	341

Heat Treatment of steel grade GX40CrNiSi27-4

Heat treated : 1827°C - 1348°C

Technological Curves of steel grade GX40CrNiSi27-4

No Curve

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Jiangyou Longhai Special Steel Co.,Ltd.

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