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55SiMo8 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 55SiMo8

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UNE 55SiMo8

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This page is mainly introduced the 55SiMo8 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 55SiMo8,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
55SiMo8

Steel Garde:55SiMo8
Type:Special Alloy
Country:Spain
Standard:UNE
Application:Spain structural alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	860～190	σb/MPa
Yield Strength	100	σ 0.2 ≥/MPa
Elongation	66	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	409～410	-
HRC	30	-

Physical Properties

Thermal expansion	71-79	e-6/K
Thermal conductivity	85-31	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6505-7875	째C
Density	2203-1448	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)
55SiMo8 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