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2S.143 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 2S.143

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B.S. 2S.143

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This page is mainly introduced the 2S.143 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 2S.143,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Specification for high chromium-nickel corrosion-resisting steel bright bars (free machining) (880-1080 MPa: limiting ruling section 70 mm)

Steel Garde:2S.143
Type:Stainless Steels
Country:UK
Standard:B.S.

Standard Number:

ITEM	Standard Number	Descriptions
1	BS 2S 137	Specification for high chromium-nickel corrosion-resisting steel bright bars (free machining) (880-1080 MPa: limiting ruling section 70 mm)

Application:Specification for high chromium-nickel corrosion-resisting steel bright bars (free machining) (880-1080 MPa: limiting ruling section 70 mm)

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.07
Si		0.60
Mn		1.00
P		0.035
S		0.025
Cr	13.20	14.70
Ni	5.00	5.80
Mo	1.20	2.00
Nb	0.10	0.40
Cu	1.20	2.00

Mechanical Properties

Tensile strength	275～280	σb/MPa
Yield Strength	485	σ 0.2 ≥/MPa
Elongation	87	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	408～261	-
HRC	30	-

Physical Properties

Thermal expansion	02-66	e-6/K
Thermal conductivity	78-46	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6442-8790	째C
Density	7533-5062	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.143 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