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2S.131 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 2S.131

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B.S. 2S.131

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This page is mainly introduced the 2S.131 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 2S.131,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Specification for high thermal expansion steel billets, bars, forgings and parts (620 MPa: limiting ruling section 150 mm)

Steel Garde:2S.131
Type:Stainless Steels
Country:UK
Standard:B.S.

Standard Number:

ITEM	Standard Number	Descriptions
1	BS 2S 131	Specification for high thermal expansion steel billets, bars, forgings and parts (620 MPa: limiting ruling section 150 mm)

Application:Specification for high thermal expansion steel billets, bars, forgings and parts (620 MPa: limiting ruling section 150 mm)

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.55	0.70
Si	0.20	0.50
Mn	3.50	5.50
P		0.035
S		0.025
Cr	3.00	4.00
Ni	11.00	14.00
Mo		0.50
W		1.00
V		0.25

Mechanical Properties

Tensile strength	620～999	σb/MPa
Yield Strength	440	σ 0.2 ≥/MPa
Elongation	99	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	215～228	-
HRC	30	-

Physical Properties

Thermal expansion	96-31	e-6/K
Thermal conductivity	61-62	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3312-8925	째C
Density	7481-7092	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)
2S.131 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