PO728

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Global 企业标准 PO728 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: PO728 / PO728

Category	Grade	Standard	Region/Area	Standard Content
Metals	PO728	企业标准	Global

Chemical composition(mass fraction)(wt.%) of the PO728

Element	Min	Max	Similar
C		0.25
Si		0.28
Mn		0.75
Cr		0.98
Mo		0.35
V		0.45

Mechanical Properties of steel grade PO728

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)
332 (≥)	754 (≥)	24	22	42	Solution and Aging, Annealing, Ausaging, Q+T,etc	232

Physical Properties of steel grade PO728

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	-	-			0.32	-
761	221	-	14.3	244		-
671	-	13	32.2			114	434

Heat Treatment of steel grade PO728

Heat treated : 1491°C - 1413°C

Technological Curves of steel grade PO728

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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