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56Sil7A chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 56Sil7A

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STAS/SR 56Sil7A

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This page is mainly introduced the 56Sil7A chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 56Sil7A,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
56Sil7A

Steel Garde:56Sil7A
Type:Special Alloy
Country:Romania
Standard:STAS/SR
Application:Alloy structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	199～681	σb/MPa
Yield Strength	477	σ 0.2 ≥/MPa
Elongation	00	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	028～549	-
HRC	30	-

Physical Properties

Thermal expansion	83-55	e-6/K
Thermal conductivity	27-70	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1342-9322	째C
Density	9924-5998	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)
56Sil7A 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