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SM55 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SM55

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SM55

Catalog

SM55 Profile
SM55 Chemical composition
SM55 Mechanical Properties
SM55 Physical Properties
SM55 Heat treatment
SM55 Size Availability
SM55 Relevant products

Profile

This page is mainly introduced the SM55 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SM55,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SM55

Steel Garde:SM55
Type:Special Alloy
Country:China
Application:Plastic mould with flat steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	294～550	σb/MPa
Yield Strength	785	σ 0.2 ≥/MPa
Elongation	55	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	963～787	-
HRC	30	-

Physical Properties

Thermal expansion	52-39	e-6/K
Thermal conductivity	14-53	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3324-5744	째C
Density	5669-2446	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)
SM55 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