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SM48 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SM48

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SM48

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This page is mainly introduced the SM48 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SM48,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SM48

Steel Garde:SM48
Type:Special Alloy
Country:China
Application:Plastic mould with Hot-rolled steel plate

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
SM50		China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	622～526	σb/MPa
Yield Strength	259	σ 0.2 ≥/MPa
Elongation	95	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	033～820	-
HRC	30	-

Physical Properties

Thermal expansion	71-19	e-6/K
Thermal conductivity	03-82	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5790-0682	째C
Density	2121-3088	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)
SM48 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