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SM50 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SM50

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SM50

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This page is mainly introduced the SM50 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SM50,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SM50

Steel Garde:SM50
Type:Special Alloy
Country:China
Application:Plastic mould with flat steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
SM48		China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	775～599	σb/MPa
Yield Strength	141	σ 0.2 ≥/MPa
Elongation	61	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	863～285	-
HRC	30	-

Physical Properties

Thermal expansion	60-35	e-6/K
Thermal conductivity	45-97	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	9448-5147	째C
Density	0801-1396	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)
SM50 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