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LW 316S31 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of LW 316S31

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B.S. LW 316S31

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This page is mainly introduced the LW 316S31 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of LW 316S31,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Austenitic stainless steel pipes and tubes for pressure purposes. Specification for longitudinally welded tubes

Steel Garde:LW 316S31
Type:Stainless Steels
Country:UK
Standard:B.S.

Standard Number:

ITEM	Standard Number	Descriptions
1	BS 3605-2	Austenitic stainless steel pipes and tubes for pressure purposes. Specification for longitudinally welded tubes

Application:Austenitic stainless steel pipes and tubes for pressure purposes. Specification for longitudinally welded tubes

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
316S31	B.S.	UK
CFS 316S31	B.S.	UK
HFM 316S31	B.S.	UK
HFS 316S31	B.S.	UK
LWCF 316S31	B.S.	UK
LWHT 316S31	B.S.	UK

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.07
Si		1.00
Mn		2.00
P		0.045
S		0.03
Cr	16.50	18.50
Mo	2.00	2.50
Ni	10.50	13.50

Mechanical Properties

Tensile strength	469～569	σb/MPa
Yield Strength	244	σ 0.2 ≥/MPa
Elongation	79	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	580～843	-
HRC	30	-

Physical Properties

Thermal expansion	54-32	e-6/K
Thermal conductivity	51-65	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3056-1859	째C
Density	0997-8212	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)
LW 316S31 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