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904S14 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 904S14

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B.S. 904S14

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This page is mainly introduced the 904S14 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 904S14,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:904S14
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

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.03
Si		1.00
Mn		2.00
P		0.04
S		0.03
Cr	19.50	22.00
Mo	4.00	5.00
Ni	24.00	27.00
Cu	1.00	2.00
N		0.06

Mechanical Properties

Tensile strength	644～696	σb/MPa
Yield Strength	522	σ 0.2 ≥/MPa
Elongation	91	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	337～483	-
HRC	30	-

Physical Properties

Thermal expansion	39-08	e-6/K
Thermal conductivity	71-70	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1052-4239	째C
Density	0408-6238	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)
904S14 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