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

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B.S. LWHT 316S31

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This page is mainly introduced the LWHT 316S31 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of LWHT 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:LWHT 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
LW 316S31	B.S.	UK
LWCF 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	179～132	σb/MPa
Yield Strength	999	σ 0.2 ≥/MPa
Elongation	41	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	586～313	-
HRC	30	-

Physical Properties

Thermal expansion	63-28	e-6/K
Thermal conductivity	25-11	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1639-4339	째C
Density	9648-2990	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)
LWHT 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