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STKM17A chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STKM17A

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CNS STKM17A

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This page is mainly introduced the STKM17A chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STKM17A,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
STKM17A

Steel Garde:STKM17A
Type:Special Alloy
Country:China
Standard:CNS
Application:China Taiwan Structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	929～947	σb/MPa
Yield Strength	632	σ 0.2 ≥/MPa
Elongation	97	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	522～748	-
HRC	30	-

Physical Properties

Thermal expansion	16-24	e-6/K
Thermal conductivity	36-52	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7631-8577	째C
Density	8835-1387	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)
STKM17A 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