Austenitic stainless steel

stainless steel 316 TP316L S31603 tubes pipes EN 10216-5 1.4401 1.4404 Stainless Steel Tubing piping

stainless steel 316 TP316L S31603 tubes pipes EN 10216-5 1.4401 1.4404 Stainless Steel Tubing piping

OD:0.4-426mm THK:0.1-25mm
SUFACE:AP(Annealed and pickling) / MP(mechanically polish)/BA(bright annealed)
Product description: 316L tp316L pipes, 316L tp316L tubes,316L tp316L piping,316L tp316L tubing,Stainless steel 316L tp316L pipes ,stainless steel 316L tp316L piping, stainless steel 316L tp316L tube ,stainless steel 316L
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Type: ASME SA 213 UNS S31600 / S31603

Key words

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Introduce：

ASME SA 213 / ASTM A 213 316L EN 10216 - 5 1.4401 / 1.4404 Stainless Steel are molybdenum-bearing austenitic stainless steel, which are more resistant to general corrosion and pitting corrosion, crevice corrosion than the conventional chromium-nickel austenitic stainless steel such as 304. 316L Stainless Steel also offer higher creep, stress-to-rupture, and tensile strength at elevated temperature. In addition to excellent corrosion resistance and strength properties, the Alloys 316 and 316L Cr-Ni-Mo alloys also provide excellent fabricability and formability which are typical of the austenitic stainless steel.
316L Stainless Steel is improved version of 304 Stainless Steel, with the addition of molybdenum and higher nickel content. The resultant Chemical composition of 316 gives the steel much increased corrosion resistance in aggressive environment. Molybdenum make the steel more resistant to pitting and crevice corrosion in chloride-contaminated media, sea water and acetic acid vapour. The lower rate of general corrosion in mildly corrosive environment give the steel good atmospheric corrosion resistance in polluted marine atmosphere, and because of low carbon percentage, can minimizing Intergranular corrosion attact.
316 316L Stainless Steel offers higher strength and better creep resistance at higher temperature than 304. 316L Stainless Steel also possesses excellent mechanical properties and corrosion properties at sub-zero temperatures. When there is a danger of corrosion in the heat affected zones of weldments, the low-carbon variety 316L should be used. 316Ti, the titanium-stabilised version, is used for its resistance to sensitization during prolonged exposure in the 550 °C-800 °C temperature range.
316 316L (2% to 3% Mo) is the most widely used molybdenum-containing stainless steel. It is designated as a tank, pipe and heat exchanger material for food processing and pharmaceutical production. Increased molybdenum content enhances resistance to chloride in the air, so Type 316 can be used as a material of choice for offshore and coastal buildings. 316L is used to cover the Canary Wharf building in London and the tallest building in the world - the outer layer of the Petronas Tower in Kuala Lumpur, Malaysia.
What does the L mean?
L-grades have 0.035% carbon maximum. L-grades are resistant to sensitization in short-term exposures or heat treatments. L-grade often have slightly lower (typically 5,000 psi less) minimum strengths than standard stainless steel.

316L Stainless Steel Tubing Applications:

Food preparation equipment, especially in chloride environments

Chemical processing, equipment

Laboratory benches and equipment

Rubber, plastics, pulp & paper machinery

Pollution control equipment

Boat fittings, value and pump trim

Heat exchanger

Pharmaceutical and textile industry

Condensers, evaporators and tanks

316H Stainless Steel Reheater Tubes and Superheater Tubes for Boiler

316L Stainless Steel Tubing Standards:

ASTM/ASME: UNS S31600 / S31603

EURONORM: X1 CrNiMo 17 12 2 / X3 CrNiMo 17 12 2

AFNOR: Z 6 CND 17-11 / Z 2 CND 17-12

DIN: 1.4401 / 1.4404

Physical Properties of 316/316L/316H Stainless Sreel in the Annealed Condition at -20°F to +100°F

Alloy

UNS

Spec.

Tensile Strength

Yield Strength

Elongation in

2inch(min.) %

Grain Size Req.

Hardness HRB Rockwell

Max.

Modulus of Elasticity

(x106 psi)

Mean Coefficient of Thermal Expansion (IN./IN./°F x 10-6)

Thermal Cond
uctivity
(BTU-in/ft2-h-°F)

MPa

ksi

MPa

316

S31600

A312

515

205

—

90 HRB

28.0

9.2

116

316L

S31603

A213

485

170

—

90 HRB

28.0

9.2

116

Density / Specific Gravity of 316/316L Stainless Steel: 7.98 (kg/m3)

Chemical Composition ASME SA 213 316 /316L EN 10216-5 1.4401 1.4404

Grade	316	316L	1.4401	1.4404
UNS Designation	S31600	S31603
Carbon (C) Max.	0.08	0.035	0.07	0.030
Manganese (Mn) Max.	2.00	2.00	2.00	2.00
Phosphorous (P) Max.	0.045	0.045	0.040	0.040
Sulphur (S) Max.	0.030	0.030	0.015	0.015
Silicon (Si) Max.	1.00	1.00	1.00	1.00
Chromium (Cr)	16.0 – 18.0	16.0 – 18.0	16.5 – 18.5	16.5 – 18.5
Nickel (Ni)	10.0 – 14.0	10.0 – 14.0	10.0 – 13.0	10.0 – 13.0
Molybdenum (Mo)	2.0 – 3.0	2.0 – 3.0	2.0 – 2.5	2.0 – 2.5
Nitrogen (N) Max.	-	-	0.015	0.015
Iron (Fe)	Remainder	Remainder	Remainder	Remainder
Other Elements	-	-	-	-

* Maximum carbon content of 0.04% acceptable for drawn tubes

316/316L Stainless Steel Pipe Range

Alloy	UNS Designation	Werkstoff NR.	Specifications
316	S31600	EN 10216 - 5 1.4401	A269, A/SA249, A/SA312, A1016, A632, A/SA688
316L**	S31603	EN 10216 - 5 1.4404	A269, A/SA249, A/SA312, A1016, A632, A/SA688