GX40NiCrSiNb38-19

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#GX40NiCrSiNb38-19

Description

GX40NiCrSiNb38-19 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: GX40NiCrSiNb38-19

Category	Type	Steel Grade
Steel Grades	Mould Steel	GX40NiCrSiNb38-19
		GX40NiCrSi38-19
		1.4865
		GX10NiCrSiNb32-20
		1.4859
		GX40NiCrSiNb24-24
		1.4855
		GX40NiCrSiNb35-18
		1.4807
		GX40NiCrSiNb35-26
		1.4852

Chemical composition(mass fraction)(wt.%) of the GX40NiCrSiNb38-19

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.30-0.50	1.00-2.50	2.00	0.040	0.030	18.0-21.0	36.0-39.0
Mo	Al	Cu	Nb	Ti	V	Ce
≤ 0.50			1.20-1.80
N	Co	Pb	B	Other

Mechanical Properties of steel grade GX40NiCrSiNb38-19

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)
741 (≥)	124 (≥)	43	21	11	Solution and Aging, Annealing, Ausaging, Q+T,etc	443

Physical Properties of steel grade GX40NiCrSiNb38-19

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
22	-	-			0.21	-
444	643	-	13.3	122		-
396	-	23	31.2			123	342

Heat Treatment of steel grade GX40NiCrSiNb38-19

Heat treated : 1777°C - 1541°C

Technological Curves of steel grade GX40NiCrSiNb38-19

No Curve

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