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SM45A chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SM45A

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SM45A

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This page is mainly introduced the SM45A chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SM45A,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SM45 Plastic mould with Hot-rolled steel plate

Steel Garde:SM45A
Type:Special Alloy
Country:China
Application:Plastic mould with Hot-rolled steel plate

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
SM45		China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	270～076	σb/MPa
Yield Strength	622	σ 0.2 ≥/MPa
Elongation	65	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	209～586	-
HRC	30	-

Physical Properties

Thermal expansion	70-68	e-6/K
Thermal conductivity	78-43	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8575-8087	째C
Density	4990-2298	kg/m³
Resistivity	0.50-0.60	Ohm.mm²/m

Heat Treatment Regime

Annealing	Quenching	Tempering	Normalizing	Q & T
√	√	√	√	√

Size Availability

Steel Grade	Specification	Processing range(mm)
SM45A Special Alloy	Round Bar and Hollow Bar	Φ1 to Φ2000
	Square and Flat Steel	Φ10 to Φ100
	Plate and Sheet	0.08-800(Thickness)10-1500(Width)Length
	Tube or Pipe	OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
	Coil and Strip Steel	THK:0.1mm Width:1500mm
	Forged	Ring/Cylindrical/Disk