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301S81 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 301S81

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B.S. 301S81

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This page is mainly introduced the 301S81 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 301S81,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:301S81
Type:Stainless Steels
Country:UK
Standard:B.S.
Standard Number:

ITEM Standard Number Descriptions

1 BS 2056 Specification for stainless steel wire for mechanical springs
Application:Specification for stainless steel wire for mechanical springs

ITEM	Standard Number	Descriptions
1	BS 2056	Specification for stainless steel wire for mechanical springs

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.09
Si		1.00
Mn		1.00
P		0.045
S		0.030
Cr	16.00	18.00
Mo
Ni	6.50	7.75
Al	0.75	1.50

Mechanical Properties

Tensile strength	167～916	σb/MPa
Yield Strength	207	σ 0.2 ≥/MPa
Elongation	26	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	825～657	-
HRC	30	-

Physical Properties

Thermal expansion	65-37	e-6/K
Thermal conductivity	08-04	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6802-0404	째C
Density	7235-0144	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)
301S81 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