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SKC31 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SKC31

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JIS SKC31

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This page is mainly introduced the SKC31 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SKC31,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SKC31

Steel Garde:SKC31
Type:Special Alloy
Country:Japan
Standard:JIS
Application:Hollow Steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
SKC31①	CNS	China
SKC31①	CNS	China
SKC31①	CNS	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	320～208	σb/MPa
Yield Strength	139	σ 0.2 ≥/MPa
Elongation	64	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	627～045	-
HRC	30	-

Physical Properties

Thermal expansion	53-71	e-6/K
Thermal conductivity	80-20	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	2682-7255	째C
Density	8524-8228	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)
SKC31 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