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STS631J1 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS631J1

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KS STS631J1

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This page is mainly introduced the STS631J1 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS631J1,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Stainless steel wire rods

Steel Garde:STS631J1
Type:Stainless Steels
Country:Korea
Standard:KS

Standard Number:

ITEM	Standard Number	Descriptions
1	D 3535 (2002)	Stainless steel wires for springs
2	D 3702 (2008)	Stainless steel wire rods

Application:Stainless steel wire rods

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.09
Si		1.00
Mn		1.00
P		0.040
S		0.030
Cr	16.00	18.00
Ni	7.00	8.50
Al	0.75	1.50

Mechanical Properties

Tensile strength	449～700	σb/MPa
Yield Strength	344	σ 0.2 ≥/MPa
Elongation	04	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	750～001	-
HRC	30	-

Physical Properties

Thermal expansion	36-15	e-6/K
Thermal conductivity	16-32	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4662-7396	째C
Density	7448-6249	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)
STS631J1 Stainless Steels	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