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STKM14A chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STKM14A

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CNS STKM14A

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This page is mainly introduced the STKM14A chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STKM14A,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
STKM14A

Steel Garde:STKM14A
Type:Special Alloy
Country:China
Standard:CNS
Application:China Taiwan Structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	422～861	σb/MPa
Yield Strength	767	σ 0.2 ≥/MPa
Elongation	13	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	049～981	-
HRC	30	-

Physical Properties

Thermal expansion	79-63	e-6/K
Thermal conductivity	83-59	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5083-5360	째C
Density	1843-1938	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)
STKM14A 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