GX25CrNiSi18 -9

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#GX25CrNiSi18 #-9

Description

GX25CrNiSi18 -9 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: GX25CrNiSi18 -9

Category	Type	Steel Grade
Steel Grades	Mould Steel	GX25CrNiSi18 -9
		GX40CrSi17
		1.4740
		GX40CrSi24
		1.4745
		GX40CrSi28
		1.4776
		GX130CrSi29
		1.4777
		GX160CrSi18
		1.4743

Chemical composition(mass fraction)(wt.%) of the GX25CrNiSi18 -9

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.15-0.35	0.50-2.50	2.00	0.040	0.030	17.0-19.0	8.00-10.0
Mo	Al	Cu	Nb	Ti	V	Ce
≤ 0.50
N	Co	Pb	B	Other

Mechanical Properties of steel grade GX25CrNiSi18 -9

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)
394 (≥)	746 (≥)	44	12	33	Solution and Aging, Annealing, Ausaging, Q+T,etc	433

Physical Properties of steel grade GX25CrNiSi18 -9

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
43	-	-			0.42	-
845	446	-	44.3	212		-
379	-	31	31.2			142	313

Heat Treatment of steel grade GX25CrNiSi18 -9

Heat treated : 1748°C - 1748°C

Technological Curves of steel grade GX25CrNiSi18 -9

No Curve

Cross Reference Table (Equivalent Grade) of GX25CrNiSi18 -9

Grade	Standard	Country	Application
CPM 9V	AISI	USA	Powder metallurgy tool steelCold work tool steel
CQ-9	AISI	USA	W-Co class carbide
CY-9	AISI	USA	W-Ti-Co class carbide
X3NiCoMoTi18-9-5	DIN	Germany	Cold working alloy tool steel
X20CoCrWMo10-9	DIN	Germany	Hot working alloy tool steel
S2-9-2-8	DIN	Germany	High-speed tool steel
S2-9-1	DIN	Germany	High-speed tool steel
S2-9-2	DIN	Germany	High-speed tool steel
BHMA①:9-1-9			Carbide for cutting tools
BHMA①:9-1-9			Carbide for cutting tools
X1CrNiMoAl12-9	AFNOR	France	Carbide for cutting tools
X1CrNiMoAl12-9	AFNOR	France	Carbide for cutting tools
HS2-9-1	AFNOR	France	Carbide for cutting tools
HS2-9-1	AFNOR	France	Carbide for cutting tools
HS2-9-2	AFNOR	France	Carbide for cutting tools
HS2-9-2	AFNOR	France	Carbide for cutting tools
HS18-0-2-9	AFNOR	France	Carbide for cutting tools
HS18-0-2-9	AFNOR	France	Carbide for cutting tools
HS2-9-1-8	AFNOR	France	Carbide for cutting tools
HS2-9-1-8	AFNOR	France	Carbide for cutting tools

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