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318S13 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 318S13

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B.S. 318S13

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This page is mainly introduced the 318S13 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 318S13,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Specification for steel forgings for pressure purposes

Steel Garde:318S13
Type:Stainless Steels
Country:UK
Standard:B.S.

Standard Number:

ITEM	Standard Number	Descriptions
1	BS 1501-3	Steels for pressure purposes. Specification for corrosion- and heat-resisting steels: plates, sheet and strip
2	BS 1503	Specification for steel forgings for pressure purposes

Application:Specification for steel forgings for pressure purposes

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.03
Si		1.00
Mn		2.00
P		0.025
S		0.020
Cr	21.00	23.00
Mo	2.50	3.50
Ni	4.50	6.50
N	0.08	0.20

Mechanical Properties

Tensile strength	822～249	σb/MPa
Yield Strength	708	σ 0.2 ≥/MPa
Elongation	28	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	693～066	-
HRC	30	-

Physical Properties

Thermal expansion	21-63	e-6/K
Thermal conductivity	45-74	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	0228-1776	째C
Density	8969-2614	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)
318S13 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