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S.530 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S.530

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B.S. S.530

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This page is mainly introduced the S.530 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S.530,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Specification for 24/17 chromium-nickel heat-resisting steel sheet and strip (titanium stabilized: 540 MPa) (elevated temperature properties not verified)

Steel Garde:S.530
Type:Stainless Steels
Country:UK
Standard:B.S.

Standard Number:

ITEM	Standard Number	Descriptions
1	BS S 530	Specification for 24/17 chromium-nickel heat-resisting steel sheet and strip (titanium stabilized: 540 MPa) (elevated temperature properties not verified)

Application:Specification for 24/17 chromium-nickel heat-resisting steel sheet and strip (titanium stabilized: 540 MPa) (elevated temperature properties not verified)

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.12
Si	0.20	1.00
Mn	0.50	2.00
P		0.035
S		0.025
Cr	23.00	26.00
Ni	16.00	19.00
Mo
Ti	5×C	0.90

Mechanical Properties

Tensile strength	722～527	σb/MPa
Yield Strength	361	σ 0.2 ≥/MPa
Elongation	19	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	228～936	-
HRC	30	-

Physical Properties

Thermal expansion	69-18	e-6/K
Thermal conductivity	62-65	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	0254-3422	째C
Density	9791-8948	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.530 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