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S.525 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S.525

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B.S. S.525

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This page is mainly introduced the S.525 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S.525,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Specification for cold-rolled 18/10 chromium-nickel corrosion-resisting steel sheet and strip (niobium stabilized: 800 MPa)

Steel Garde:S.525
Type:Stainless Steels
Country:UK
Standard:B.S.

Standard Number:

ITEM	Standard Number	Descriptions
1	BS S 525	Specification for cold-rolled 18/10 chromium-nickel corrosion-resisting steel sheet and strip (niobium stabilized: 800 MPa)

Application:Specification for cold-rolled 18/10 chromium-nickel corrosion-resisting steel sheet and strip (niobium stabilized: 800 MPa)

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.08
Si	0.20	1.00
Mn	0.50	2.00
P		0.035
S		0.025
Cr	17.00	19.00
Ni	9.00	11.00
Mo
Nb	10×C	1.00

Mechanical Properties

Tensile strength	158～926	σb/MPa
Yield Strength	621	σ 0.2 ≥/MPa
Elongation	43	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	817～866	-
HRC	30	-

Physical Properties

Thermal expansion	73-63	e-6/K
Thermal conductivity	44-63	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1745-3103	째C
Density	7422-4104	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.525 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