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OLT45R chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of OLT45R

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STAS/SR OLT45R

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This page is mainly introduced the OLT45R chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of OLT45R,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
OLT45R

Steel Garde:OLT45R
Type:Special Alloy
Country:Romania
Standard:STAS/SR
Application:Structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	865～545	σb/MPa
Yield Strength	480	σ 0.2 ≥/MPa
Elongation	21	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	640～108	-
HRC	30	-

Physical Properties

Thermal expansion	63-54	e-6/K
Thermal conductivity	19-10	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	2131-7976	째C
Density	0541-0381	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)
OLT45R 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