1.4458

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#1.4458

Description

1.4458 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: 1.4458

Category	Type	Steel Grade
Steel Grades	Mould Steel	1.4458
		1.4309
		GX2CrNiMo19-11-2
		1.4409
		GX2CrNiMoCuN25-6-3-3
		1.4517
		GX2CrNiMoN22-5-3
		1.4470
		GX2CrNiMoN26-7-4
		1.4469
		GX2CrNiMo28-20-2

Chemical composition(mass fraction)(wt.%) of the 1.4458

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.030	1.00	2.00	0.035	0.025	19.0-22.0	26.0-30.0
Mo	Al	Cu	Nb	Ti	V	Ce
2.00-2.50		≤2.00
N	Co	Pb	B	Other
≤0.20

Mechanical Properties of steel grade 1.4458

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)
364 (≥)	822 (≥)	34	33	42	Solution and Aging, Annealing, Ausaging, Q+T,etc	434

Physical Properties of steel grade 1.4458

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	-	-			0.32	-
269	835	-	31.3	422		-
883	-	13	34.2			233	324

Heat Treatment of steel grade 1.4458

Heat treated : 1424°C - 1775°C

Technological Curves of steel grade 1.4458

No Curve

Available Suppliers

Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

Rfq.: sales@longhaisteel.com

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