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OL37q chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of OL37q

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STAS/SR OL37q

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This page is mainly introduced the OL37q chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of OL37q,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
OL37q

Steel Garde:OL37q
Type:Special Alloy
Country:Romania
Standard:STAS/SR
Application:Alloy structural steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
OL37q	STAS/SR	Romania

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	165～772	σb/MPa
Yield Strength	156	σ 0.2 ≥/MPa
Elongation	57	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	932～705	-
HRC	30	-

Physical Properties

Thermal expansion	53-57	e-6/K
Thermal conductivity	39-16	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	9398-1177	째C
Density	2571-1404	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)
OL37q 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