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K232 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of K232

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GBT K232

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This page is mainly introduced the K232 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of K232,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
K232

Steel Garde:K232
Type:Special Alloy
Country:China
Standard:GBT
Application:Age hardening type iron base alloy

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	697～604	σb/MPa
Yield Strength	725	σ 0.2 ≥/MPa
Elongation	85	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	889～485	-
HRC	30	-

Physical Properties

Thermal expansion	15-04	e-6/K
Thermal conductivity	77-25	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	0420-3840	째C
Density	7250-7157	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)
K232 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