270-480

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#270-480

Description

270-480 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: 270-480

Category	Type	Steel Grade
Steel Grades	Mould Steel	270-480
		L-61
		L-70
		LA-71
		LA-75
		LA-90
		LA-100
		200-400
		200-400W
		230-450
		230-450W

Chemical composition(mass fraction)(wt.%) of the 270-480

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
			0.035	0.035
Mo	Al	Cu	Nb	Ti	V	Ce

N	Co	Pb	B	Other
				By manufacturer decided to

Mechanical Properties of steel grade 270-480

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)
964 (≥)	224 (≥)	14	14	24	Solution and Aging, Annealing, Ausaging, Q+T,etc	344

Physical Properties of steel grade 270-480

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	-	-			0.12	-
751	687	-	43.3	431		-
191	-	44	23.2			112	124

Heat Treatment of steel grade 270-480

Heat treated : 1229°C - 1395°C

Technological Curves of steel grade 270-480

No Curve

Cross Reference Table (Equivalent Grade) of 270-480

Grade	Standard	Country	Application
ZGD270-480		China	Low alloy steel castings for general engineering and structural purposes
ZGD270-480		China	Low alloy steel castings for general engineering and structural purposes

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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