SS 317 / 317L Spool Fittings Manufacturer, Supplier In Mumbai India

Alpha Overseas is well known in the industry for its production of SS 317/317L Spool Fittings. SS 317 is an austenitic alloy that contains molybdenum and has stronger resistance to chemical attacks when compared to conventional chromium-nickel alloys like SS 304 and SS 316L. Additionally, at higher temperatures, 317 provides higher degrees of creep, stress-to-rupture, and tensile strength. Alloy 317L is a low-carbon austenitic stainless steel that offers more corrosion resistance than alloys 304L and 316L while maintaining the same strength. Due to its lower carbon content, SS 317L resists sensitization brought on by heat treatments such as welding. Despite the possibility of welding regaining the magnetic characteristics, alloy 317L can be magnetic when annealed. The spool fittings frequently corrode easily as a result of the elements they are exposed to, including water and natural electrolytes. The use of pipe spool systems requires appropriate protective monitoring. Pipe spool fabrication is essential since shipbuilding and other maritime sectors demand a lot of piping. Because they make more space available on the job site, pipe spools offer several advantages. We deal with SS 317L Spool Fittings, which cannot be heat treated but can be cold worked into hardness.

1.4449 Spool Fittings, Stainless Steel 317 Spool Fittings Manufacturers, 317L Stainless Steel Spool Fittings, UNS S31703 Spool Fittings, 317L SS Spool Fittings, SS 317 Flanged Pipe Spools, SS 317L Spool Fittings, Stainless Steel 317L Prefabricated Pipe Spool, SS 317 Pipe Spools, Stainless Steel 317 Spool Fittings, SS 317 Spool Fittings Supplier in Mumbai, India.

However, our Alloy 317L Spool Fittings have been used in a wide variety of industrial applications because of their proven ability to resist corrosion. These Grade 317L Spool Fittings are most frequently used in establishments that use recirculated processed water, such as ink manufacturing facilities, pulp and paper mills, chemical processing facilities, pollution control systems, etc. Oxygen acetylene welding is not suggested for our Type 317L Spool Fittings when utilizing its filler metal.

These AISI 317L Spool Fittings are used in condensers found in fossil and nuclear power plants as well as textile and food processing machinery. At temperatures under 100 ℉, our 317L Stainless Steel Spool Fittings exhibit outstanding resistance to solutions with higher concentrations (38 ℃). Molybdenum and nitrogen are present in the chemical composition of these Stainless Steel DIN 1.4438 Spool Fittings, which enhances resistance to pitting corrosion and crevice corrosion, especially in acidic environments containing chlorides and sulphur compounds at high temperatures.

Stainless Steel 317, 317L Spool Fittings Specifications

Spool Sizes 1.5", 2", 3", 4", 6", 8", 10" upto 12".
Spool Dimensions ASME B16.9, ANSI B16.9, ASME B16.28, ANSI B16.28, ANSI B16.25
Pressure Classes CL. 150 | 300 | 600 | 900 | 1500 | 2500.
Thickness Supplier / Manufacturer of Sch 5S, 10S, S10, 20, 40S, S60, 80S, Schedule S80, S100, S120, SCH S160.
Connecting Type Fabricated, Buttweld , Triclamp
Materials Stainless Steel
Product Type Spool Fittings
Stainless Steel 317 Pipe Spool

Equivalent Grades Of SS 317 / 317L Spool Fittings

STANDARD WERKSTOFF NR. UNS JIS EN
SS 317 1.4449 S31700 SUS 317
SS 317L 1.4438 S31703 SUS 317L X2CrNiMo18-15-4

Chemical Composition of SS 317 / 317L Spool Fittings

Grade C Mn Si P S Cr Mo Ni Fe
SS 317 0.08 max 2.0 max 1.0 max 0.045 max 0.030 max 18.00 – 20.00 3.00 – 4.00 11.00 – 15.00 57.845 min
SS 317L 0.035 max 2.0 max 1.0 max 0.045 max 0.030 max 18.00 – 20.00 3.00 – 4.00 11.00 – 15.00 57.89 min

Mechanical Properties of SS 317, 317L Spool Fittings

Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
7.9 g/cm3 1400 °C (2550 °F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 35 %

Stainless Steel 317 / 317L Pipe Spool Sizing Chart

Diameter Nominal (Inches)O.D. (millimetre)5S20XS40SS6016080S10010S120XXS
1/810.3-  -2.411.73--2.41-1.42--
3/817.1-  -3.22.31--3.2-1.65--
             
1/221.31.65-3.732.77-4.783.73-2.11-7.47
133.41.65  -4.553.38-6.354.55-2.77-9.09
1 1/442.21.65-4.853.56  -6.354.85-2.77-9.7
38965--12.7--------
2 1/2732.11-7.015.16  -9.537.01-3.05-14.02
388.92.11-7.625.49-11.137.62-3.05-15.24
3 1/2101.62.11-8.085.74--8.08-3.05--
4114.32.11-8.566.02-13.498.56-3.0511.1317.12
8219.12.776.3512.78.1810.3123.0112.715.093.7618.2622.23
307626.3512.712.7-----7.92--
12323.93.966.3512.79.5214.2733.3212.721.444.5725.425.4
14355.63.967.9212.7-15.0935.71 23.834.7827.79-
16406.44.197.9212.7-16.6640.49 26.194.7830.96-
421067--12.7--------
184574.197.9212.7-19.0545.24 29.364.7834.93-
205084.789.5312.7-20.6250.01 32.545.5138.1-
246105.549.5312.7-24.6159.54 38.896.3546.02-
26660-12.712.7--- ----
32813-12.712.7--------
36914-12.712.7--------
441118--12.7-------  -
481219--12.7--------

Stainless Steel 317 / 317L Flanged Pipe Spool Length

To suit pipework NB PTFE liner Thickness Length Min. Length Max.
Inches millimeter millimeter millimeter millimeter
1/2" 15 2.8 90 6000
3/4" 20 3.3 90 6000
1" 25 3.3 90 6000
1.1/2" 40 3.3 95 6000
2" 50 3.3 110 6000
3" 80 3.3 120 6000
4" 100 4.5 125 6000
6" 150 5.5 140 6000
8" 200 8 or 4.5 150 3000
10" 250 9 or 5 165 3000
12" 300 9 or 5 170 3000

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We offer These Stainless Steel 317 / 317L Spool Fittings as per DIN, ISO, JIS or ANSI / ASME Standard.

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Applications of Stainless Steel 317 / 317L Spool Fittings

Oil & Gas Industry

Oil & Gas Industry

Power Generation Industry

Power Generation Industry

Petrochemical Industry

Petrochemical Industry

Chemical Industry

Chemical Industry

Cement Industry

Cement Industry


We Export SS 317 / 317L Spool Fittings Across the Globe

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Domestic Supply Stainless Steel 317, 317L Spool Fittings

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