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S.205 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S.205

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B.S. S.205

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This page is mainly introduced the S.205 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S.205,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Specification for austenitic chromium-nickel steel wire and springs

Steel Garde:S.205
Type:Stainless Steels
Country:UK
Standard:B.S.
Standard Number:

ITEM Standard Number Descriptions

1 BS S 205 Specification for austenitic chromium-nickel steel wire and springs
Application:Specification for austenitic chromium-nickel steel wire and springs

ITEM	Standard Number	Descriptions
1	BS S 205	Specification for austenitic chromium-nickel steel wire and springs

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.15
Si	0.20	1.00
Mn	0.50	2.00
P		0.035
S		0.025
Cr	17.00	19.00
Ni	7.50	9.00
Mo
Nb/Ti

Mechanical Properties

Tensile strength	265～201	σb/MPa
Yield Strength	958	σ 0.2 ≥/MPa
Elongation	95	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	449～957	-
HRC	30	-

Physical Properties

Thermal expansion	47-83	e-6/K
Thermal conductivity	10-69	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	2280-6001	째C
Density	4390-0070	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)
S.205 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