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55SiMoX chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 55SiMoX

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STAS/SR 55SiMoX

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This page is mainly introduced the 55SiMoX chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 55SiMoX,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
55SiMoX

Steel Garde:55SiMoX
Type:Special Alloy
Country:Romania
Standard:STAS/SR
Application:tool steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	815～932	σb/MPa
Yield Strength	804	σ 0.2 ≥/MPa
Elongation	79	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	637～469	-
HRC	30	-

Physical Properties

Thermal expansion	23-27	e-6/K
Thermal conductivity	16-54	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4207-5598	째C
Density	5432-6475	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)
55SiMoX 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