GX40CrNiSi25-20

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#GX40CrNiSi25-20

Description

GX40CrNiSi25-20 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: GX40CrNiSi25-20

Category	Type	Steel Grade
Steel Grades	Mould Steel	GX40CrNiSi25-20
		GX160CrSi18
		1.4743
		GX25CrNiSi18 -9
		1.4825
		GX25CrNiSi20-14
		1.4832
		GX40CrNiSi22-10
		1.4826
		GX40CrNiSi25-12
		1.4837

Chemical composition(mass fraction)(wt.%) of the GX40CrNiSi25-20

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.30-0.50	1.00-2.50	2.00	0.040	0.030	24.0-27.0	19.0-22.0
Mo	Al	Cu	Nb	Ti	V	Ce
≤0.50
N	Co	Pb	B	Other

Mechanical Properties of steel grade GX40CrNiSi25-20

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)
146 (≥)	179 (≥)	12	41	13	Solution and Aging, Annealing, Ausaging, Q+T,etc	312

Physical Properties of steel grade GX40CrNiSi25-20

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
13	-	-			0.21	-
311	258	-	11.3	312		-
354	-	42	23.2			444	342

Heat Treatment of steel grade GX40CrNiSi25-20

Heat treated : 1481°C - 1594°C

Technological Curves of steel grade GX40CrNiSi25-20

No Curve

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