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SUP7 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUP7

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CNS SUP7

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This page is mainly introduced the SUP7 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUP7,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SUP7

Steel Garde:SUP7
Type:Special Alloy
Country:China
Standard:CNS
Application:China Taiwan Structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	346～748	σb/MPa
Yield Strength	287	σ 0.2 ≥/MPa
Elongation	22	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	805～356	-
HRC	30	-

Physical Properties

Thermal expansion	69-70	e-6/K
Thermal conductivity	79-37	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8944-5705	째C
Density	1556-8590	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)
SUP7 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