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OIX55X chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of OIX55X

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STAS/SR OIX55X

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This page is mainly introduced the OIX55X chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of OIX55X,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
OIX55X

Steel Garde:OIX55X
Type:Special Alloy
Country:Romania
Standard:STAS/SR
Application:Structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	183～516	σb/MPa
Yield Strength	486	σ 0.2 ≥/MPa
Elongation	87	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	521～628	-
HRC	30	-

Physical Properties

Thermal expansion	75-32	e-6/K
Thermal conductivity	41-78	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7861-5650	째C
Density	3513-2551	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)
OIX55X 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