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OLT65 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of OLT65

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STAS/SR OLT65

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This page is mainly introduced the OLT65 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of OLT65,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
OLT65

Steel Garde:OLT65
Type:Special Alloy
Country:Romania
Standard:STAS/SR
Application:Structural steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
OLT65	STAS/SR	Romania

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	508～648	σb/MPa
Yield Strength	136	σ 0.2 ≥/MPa
Elongation	84	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	249～354	-
HRC	30	-

Physical Properties

Thermal expansion	94-76	e-6/K
Thermal conductivity	56-85	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4005-0742	째C
Density	9427-2306	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)
OLT65 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