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OI.T45K chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of OI.T45K

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STAS/SR OI.T45K

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This page is mainly introduced the OI.T45K chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of OI.T45K,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
OI.T45K

Steel Garde:OI.T45K
Type:Special Alloy
Country:Romania
Standard:STAS/SR
Application:Structural steel

Relevant products:

A387 F5 / Grade 5 Coil / Sheet

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
OIX30XS	STAS/SR	Romania
OIX55X	STAS/SR	Romania
OI.T45	STAS/SR	Romania
OIX5 5 AT	STAS/SR	Romania
OIX65A	STAS/SR	Romania

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	722～959	σb/MPa
Yield Strength	148	σ 0.2 ≥/MPa
Elongation	62	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	554～430	-
HRC	30	-

Physical Properties

Thermal expansion	64-85	e-6/K
Thermal conductivity	10-78	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6338-5039	째C
Density	8580-8487	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)
OI.T45K 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