ASTM A403 Stainless Steel Buttweld Equal & Unequal Tee, 45°, 90°, 180° Elbow, Piggable Bend, Cap Pipe Fittings : ASME/ANSI B16.9, B16.28, MSS-SP-43

Stainless Steel Pipe Fittings
Torrent Alloys
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SS BW Long & Short Radius Elbow Specifications

  • Dimensions:

    ASME/ ANSI B16.9 | ASME B16.28 | MSS-SP-43 | BS1560 | BS4504 | BS10.

  • Size:

    1/2"NB TO 48"NB IN.

  • Type:

    Seamless and Welded.

  • Thickness:

    Schedule 5S, 10S, 20S, S10, S20, S30, STD, 40S, S40, S60, XS, 80S, S80, S100, S120, S140, S160, XXS.

  • Form:

    Elbow, Equal Tee, U Pipe Bend, Long & Short Stub End, Caps, Lap Joint Stub End

  • ASTM Standard / Grades:

    ASTM A403 / ASME SA403 304, 304L, 304H, 316, 316L, 316H, 316Ti, 310, 310s, 310h, 317, 317L, 321, 321h, 347, 347h, 904L

ISO Certified Manufacturer of SS Long & Short Stub End Fittings, Hot Induction Bend, U Bend, Lap Joint Stub End Buttweld Fittings - Seamless 1/2″~24″ Inch and ERW, Welded, Fabricated 1/2″~48″Inch.

Stainless steel pipe fittings are indispensable components in diverse industrial settings, renowned for their robustness, resistance to corrosion, and longevity. Manufactured from high-grade stainless steels like 304, 304L, 316, and 316L, these fittings conform to rigorous standards such as ASME/ANSI B16.9, ASME B16.28, and MSS-SP-43. They are available in a comprehensive range of sizes from 1/2"NB to 48"NB, catering to various piping requirements.

These fittings accommodate a wide spectrum of schedules including 5S, 10S, 20S, S10, S20, S30, STD, 40S, S40, S60, XS, 80S, S80, S100, S120, S140, S160, and XXS, ensuring compatibility with different operational pressures and temperatures. Elbows, tees, reducers, couplings, unions, caps, and plugs are among the types available, each fulfilling specific functions within piping systems.

Stainless steel’s inherent qualities make it a preferred choice across industries. Its resistance to corrosion and high temperatures ensures durability in challenging environments, making it suitable for applications ranging from chemical processing and oil refineries to food and pharmaceutical industries. The non-porous surface of stainless steel not only facilitates easy cleaning but also adheres to stringent hygiene standards, crucial for industries where cleanliness is paramount.

Stainless steel pipe fittings offer numerous advantages over those made from other materials. The primary benefits include superior corrosion resistance, which makes stainless steel ideal for use in environments exposed to corrosive substances. The material’s high mechanical strength and durability ensure reliable performance under various operating conditions, including high pressures and temperatures. Stainless steel’s non-porous surface is easy to clean, making it a preferred choice in industries with stringent hygiene standards such as food and beverage processing and pharmaceuticals. Furthermore, the aesthetic appeal of stainless steel adds a modern, professional look to installations, particularly in visible or exposed applications.

ASME B16.9 / B16.28 Standards
MSS SP-43 Standards
DIN Standards
EN Standards
JIS Standards
BS Standards

Equivalent Grades of Stainless Steel Fittings

ASTM EN (DIN) JIS UNS GOST BS AFNOR
304 1.4301 (X5CrNi18-10) SUS304 S30400 08Х18Н10 304S15 Z6CN18-09
304L 1.4307 (X2CrNi18-9) SUS304L S30403 03Х18Н11 304S11 Z3CN18-10
304H 1.4948 (X6CrNi18-11) SUS304H S30409 - 304S51 -
316 1.4401 (X5CrNiMo17-12-2) SUS316 S31600 08Х17Н13М2 316S31 Z6CND17-11
316L 1.4404 (X2CrNiMo17-12-2) SUS316L S31603 03Х17Н14М3 316S11 Z3CND17-11-02
316Ti 1.4571 (X6CrNiMoTi17-12-2) SUS316Ti S31635 08Х17Н13М2Т 320S31 Z6CNDT17-12
316H 1.4919 (X3CrNiMo17-13-3) SUS316H S31609 - 316S51 -
316LN 1.4429 (X2CrNiMoN17-13-3) SUS316LN S31653 - - -
321 1.4541 (X6CrNiTi18-10) SUS321 S32100 08Х18Н10Т 321S31 Z6CNT18-10
321H 1.4878 (X10CrNiTi18-10) SUS321H S32109 - 321S51 -
347 1.4550 (X6CrNiNb18-10) SUS347 S34700 08Х18Н12Б 347S31 Z6CNNb18-10
347H 1.4961 (X6CrNiNb18-12) SUS347H S34709 - 347S51 -
310 1.4845 (X12CrNi25-21) SUS310 S31000 20Х25Н20С2 310S24 Z12CND25-20
310S 1.4845 (X8CrNi25-21) SUS310S S31008 - 310S16 Z12CN25-20
310H 1.4951 (X12CrNi25-21) SUS310H S31009 - 310S64 -
317 1.4449 (X5CrNiMo17-13-3) SUS317 S31700 - 317S16 Z6CND17-13
317L 1.4438 (X2CrNiMo18-15-4) SUS317L S31703 - 317S12 Z3CND17-14-03
904L 1.4539 (X1NiCrMoCu25-20-5) SUS890L N08904 06ХН28МДТ 904S13 Z2NCDU25-20

Chemical Composition of Stainless Steel Elbow Pipe Fittings

Grade C (max) Mn (max) Si (max) P (max) S (max) Cr Ni Mo N Other Elements
304 0.08 2.00 0.75 0.045 0.030 18.0-20.0 8.0-10.5 - - -
304L 0.03 2.00 0.75 0.045 0.030 18.0-20.0 8.0-12.0 - - -
304H 0.04-0.10 2.00 0.75 0.045 0.030 18.0-20.0 8.0-10.5 - - -
316 0.08 2.00 0.75 0.045 0.030 16.0-18.0 10.0-14.0 2.0-3.0 - -
316L 0.03 2.00 0.75 0.045 0.030 16.0-18.0 10.0-14.0 2.0-3.0 - -
316Ti 0.08 2.00 0.75 0.045 0.030 16.5-18.5 10.5-14.0 2.0-3.0 - Ti: 5(C+N)-0.7
316H 0.04-0.10 2.00 0.75 0.045 0.030 16.0-18.0 10.0-14.0 2.0-3.0 - -
321 0.08 2.00 0.75 0.045 0.030 17.0-19.0 9.0-12.0 - - Ti: 5(C+N)-0.7
321H 0.04-0.10 2.00 0.75 0.045 0.030 17.0-19.0 9.0-12.0 - - Ti: 4(C+N)-0.7
347 0.08 2.00 0.75 0.045 0.030 17.0-19.0 9.0-13.0 - - Nb: 10(C+N)-1.0
347H 0.04-0.10 2.00 0.75 0.045 0.030 17.0-19.0 9.0-13.0 - - Nb: 8(C+N)-1.0
310 0.25 2.00 1.50 0.045 0.030 24.0-26.0 19.0-22.0 - - -
310S 0.08 2.00 1.50 0.045 0.030 24.0-26.0 19.0-22.0 - - -
310H 0.04-0.10 2.00 1.50 0.045 0.030 24.0-26.0 19.0-22.0 - - -
316LN 0.03 2.00 1.00 0.045 0.030 16.5-18.5 10.0-13.0 2.0-3.0 0.10-0.16 -
317 0.08 2.00 0.75 0.045 0.030 18.0-20.0 11.0-15.0 3.0-4.0 - -
317L 0.03 2.00 0.75 0.045 0.030 18.0-20.0 11.0-15.0 3.0-4.0 - -
904L 0.02 2.00 1.00 0.045 0.035 19.0-23.0 23.0-28.0 4.0-5.0 0.10-0.20 Cu: 1.0-2.0

Mechanical Properties of SS Buttweld Tee

Grade Yield Strength (MPa) Tensile Strength (MPa) Elongation (%) Hardness (Rockwell B)
304 205 515-750 40 70-90
304L 170 485-700 40 70-90
304H 205 515-750 40 70-90
316 205 515-700 40 70-90
316L 170 485-700 40 70-90
316Ti 205 515-700 40 70-90
316H 205 515-700 40 70-90
321 205 515-750 40 70-90
321H 205 515-750 40 70-90
347 205 515-750 40 70-90
347H 205 515-750 40 70-90
310 205 515-750 40 70-90
310S 205 515-750 40 70-90
310H 205 515-750 40 70-90
316LN 310 620-795 35 70-90
317 205 515-690 35 70-90
317L 205 515-690 35 70-90
904L 220 490-680 35 70-90

APPLICATIONS INDUSTRIES

Stainless steel pipe fittings encompass a comprehensive range of products crucial for diverse industrial applications. These include elbows for changing pipe direction, tees for branching flow, reducers for connecting pipes of different diameters, couplings for secure connections, unions for easy disassembly, and caps or plugs for closing pipe ends. Each type of fitting is meticulously designed to meet specific operational needs, ensuring reliable performance under varying pressures, temperatures, and environmental conditions.

Oil and Gas Industry
Chemical and Petrochemical Industry
Power Generation
Water Treatment
Food and Beverage Industry
Pharmaceutical Industry
Pulp and Paper Industry
Shipbuilding and Marine Industry
HVAC - Heating, Ventilation, and Air Conditioning