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K418 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of K418

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GBT K418

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This page is mainly introduced the K418 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of K418,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
K418

Steel Garde:K418
Type:Special Alloy
Country:China
Standard:GBT
Application:Age hardening type Nickel base alloy

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	255～772	σb/MPa
Yield Strength	844	σ 0.2 ≥/MPa
Elongation	69	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	299～433	-
HRC	30	-

Physical Properties

Thermal expansion	49-81	e-6/K
Thermal conductivity	27-09	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1708-8834	째C
Density	7872-2943	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)
K418 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