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OLC55S chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of OLC55S

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STAS/SR OLC55S

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This page is mainly introduced the OLC55S chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of OLC55S,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
OLC55S

Steel Garde:OLC55S
Type:Special Alloy
Country:Romania
Standard:STAS/SR
Application:Structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	838～405	σb/MPa
Yield Strength	436	σ 0.2 ≥/MPa
Elongation	42	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	218～351	-
HRC	30	-

Physical Properties

Thermal expansion	53-29	e-6/K
Thermal conductivity	44-68	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3981-5923	째C
Density	8012-7796	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)
OLC55S 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