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

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CNS SPHD

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

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

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	683～758	σb/MPa
Yield Strength	593	σ 0.2 ≥/MPa
Elongation	29	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	107～925	-
HRC	30	-

Physical Properties

Thermal expansion	31-15	e-6/K
Thermal conductivity	12-22	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5824-8450	째C
Density	2048-8344	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)
SPHD 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