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K214 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of K214

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GBT K214

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This page is mainly introduced the K214 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of K214,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
K214

Steel Garde:K214
Type:Special Alloy
Country:China
Standard:GBT
Application:Age hardening type iron base alloy

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	801～829	σb/MPa
Yield Strength	295	σ 0.2 ≥/MPa
Elongation	55	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	843～485	-
HRC	30	-

Physical Properties

Thermal expansion	62-54	e-6/K
Thermal conductivity	99-72	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3206-7932	째C
Density	9360-1247	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)
K214 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