GX70CrMo29-2

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#GX70CrMo29-2

Description

GX70CrMo29-2 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: GX70CrMo29-2

Category	Type	Steel Grade
Steel Grades	Mould Steel	GX70CrMo29-2
		GS-19MnCrMo6-3
		1.7906
		GS-20MnCrMo6-3
		1.7909
		GX70Cr29
		1.4085
		GX120Cr29
		1.4086
		GX80CrNi12
		1.4107

Chemical composition(mass fraction)(wt.%) of the GX70CrMo29-2

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.50-0.90	2.00	1.00	0.045	0.030	27.0-30.0
Mo	Al	Cu	Nb	Ti	V	Ce
2.00-2.50
N	Co	Pb	B	Other

Mechanical Properties of steel grade GX70CrMo29-2

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)
571 (≥)	651 (≥)	22	41	24	Solution and Aging, Annealing, Ausaging, Q+T,etc	423

Physical Properties of steel grade GX70CrMo29-2

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	-	-			0.33	-
748	453	-	22.3	442		-
636	-	41	24.2			222	144

Heat Treatment of steel grade GX70CrMo29-2

Heat treated : 1737°C - 1343°C

Technological Curves of steel grade GX70CrMo29-2

No Curve

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