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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	347～929	σb/MPa
Yield Strength	301	σ 0.2 ≥/MPa
Elongation	41	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	999～338	-
HRC	30	-

Physical Properties

Thermal expansion	63-37	e-6/K
Thermal conductivity	92-73	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5551-8165	째C
Density	5607-8551	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