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OLC55A chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of OLC55A

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STAS/SR OLC55A

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This page is mainly introduced the OLC55A chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of OLC55A,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
OLC55A

Steel Garde:OLC55A
Type:Special Alloy
Country:Romania
Standard:STAS/SR
Application:Alloy structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	747～391	σb/MPa
Yield Strength	925	σ 0.2 ≥/MPa
Elongation	31	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	555～662	-
HRC	30	-

Physical Properties

Thermal expansion	46-17	e-6/K
Thermal conductivity	81-70	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6948-5107	째C
Density	0375-4360	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)
OLC55A 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