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OSC7 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of OSC7

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STAS/SR OSC7

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This page is mainly introduced the OSC7 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of OSC7,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
OSC7

Steel Garde:OSC7
Type:Special Alloy
Country:Romania
Standard:STAS/SR
Application:tool steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	252～466	σb/MPa
Yield Strength	307	σ 0.2 ≥/MPa
Elongation	65	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	070～656	-
HRC	30	-

Physical Properties

Thermal expansion	45-69	e-6/K
Thermal conductivity	49-72	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	0109-8628	째C
Density	4278-3380	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)
OSC7 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