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SK5M chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SK5M

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JIS SK5M

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This page is mainly introduced the SK5M chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SK5M,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SK5M

Steel Garde:SK5M
Type:Special Alloy
Country:Japan
Standard:JIS
Application:Cold rolled special steel strip

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	429～269	σb/MPa
Yield Strength	659	σ 0.2 ≥/MPa
Elongation	24	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	691～272	-
HRC	30	-

Physical Properties

Thermal expansion	65-76	e-6/K
Thermal conductivity	07-67	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6606-9799	째C
Density	6543-1069	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)
SK5M 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