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65Si7 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 65Si7

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DIN 65Si7

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This page is mainly introduced the 65Si7 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 65Si7,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
65Si7

Steel Garde:65Si7
Type:Special Alloy
Country:Germany
Standard:DIN
Application:Valve steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	989～490	σb/MPa
Yield Strength	700	σ 0.2 ≥/MPa
Elongation	61	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	056～648	-
HRC	30	-

Physical Properties

Thermal expansion	48-47	e-6/K
Thermal conductivity	56-96	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7594-2538	째C
Density	2358-4100	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)
65Si7 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