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305S11 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 305S11

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B.S. 305S11

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This page is mainly introduced the 305S11 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 305S11,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Specification for stainless steel wire for mechanical springs

Steel Garde:305S11
Type:Stainless Steels
Country:UK
Standard:B.S.

Standard Number:

ITEM	Standard Number	Descriptions
1	BS 1554	Specification for stainless and heat-resisting steel round wire
2	BS 2056	Specification for stainless steel wire for mechanical springs

Application:Specification for stainless steel wire for mechanical springs

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
305S11	B.S.	UK

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.03
Si		1.00
Mn		2.00
P		0.045
S		0.030
Cr	17.00	19.00
Mo
Ni	11.00	13.00

Mechanical Properties

Tensile strength	857～629	σb/MPa
Yield Strength	154	σ 0.2 ≥/MPa
Elongation	29	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	060～217	-
HRC	30	-

Physical Properties

Thermal expansion	11-79	e-6/K
Thermal conductivity	25-86	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7821-4999	째C
Density	3835-3795	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)
305S11 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