340-550W

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#340-550W

Description

340-550W Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: 340-550W

Category	Type	Steel Grade
Steel Grades	Mould Steel	340-550W
		LA-75
		LA-90
		LA-100
		200-400
		200-400W
		230-450
		230-450W
		270-480
		270-480W
		340-550

Chemical composition(mass fraction)(wt.%) of the 340-550W

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.25	0.6	1.5	0.035	0.035	≤0.35	≤0.4
Mo	Al	Cu	Nb	Ti	V	Ce
≤0.15		≤0.4			≤0.05
N	Co	Pb	B	Other
				≤1.0

Mechanical Properties of steel grade 340-550W

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)
235 (≥)	868 (≥)	34	44	14	Solution and Aging, Annealing, Ausaging, Q+T,etc	234

Physical Properties of steel grade 340-550W

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
32	-	-			0.33	-
167	535	-	44.3	344		-
152	-	14	32.2			413	123

Heat Treatment of steel grade 340-550W

Heat treated : 1267°C - 1145°C

Technological Curves of steel grade 340-550W

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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