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OLT35K chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of OLT35K

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STAS/SR OLT35K

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This page is mainly introduced the OLT35K chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of OLT35K,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
OLT35K

Steel Garde:OLT35K
Type:Special Alloy
Country:Romania
Standard:STAS/SR
Application:Structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	756～708	σb/MPa
Yield Strength	786	σ 0.2 ≥/MPa
Elongation	35	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	221～230	-
HRC	30	-

Physical Properties

Thermal expansion	78-66	e-6/K
Thermal conductivity	45-01	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3247-1710	째C
Density	6900-1569	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)
OLT35K 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