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OL30 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of OL30

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STAS/SR OL30

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This page is mainly introduced the OL30 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of OL30,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
OL30

Steel Garde:OL30
Type:Special Alloy
Country:Romania
Standard:STAS/SR
Application:Structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	168～378	σb/MPa
Yield Strength	360	σ 0.2 ≥/MPa
Elongation	65	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	366～742	-
HRC	30	-

Physical Properties

Thermal expansion	06-23	e-6/K
Thermal conductivity	09-17	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8978-5727	째C
Density	4177-5364	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)
OL30 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