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STKM15A chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STKM15A

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CNS STKM15A

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This page is mainly introduced the STKM15A chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STKM15A,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
STKM15A

Steel Garde:STKM15A
Type:Special Alloy
Country:China
Standard:CNS
Application:China Taiwan Structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	265～435	σb/MPa
Yield Strength	778	σ 0.2 ≥/MPa
Elongation	06	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	958～598	-
HRC	30	-

Physical Properties

Thermal expansion	23-01	e-6/K
Thermal conductivity	42-40	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7322-8463	째C
Density	7697-7635	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)
STKM15A 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