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Buttweld Fittings

Our Buttweld Fittings accomplish admiration due to their high strength, dimensional correctness, and corrosion resistance. Manufactured using high-grade raw materials and ultra-modern technology, they meet the demands of commercial, industrial, and automobile industries worldwide.

Buttweld Fittings Specification

SpecificationsASTM A403 / ASME SA403
Size RangesSeamless: 1/2" - 10"
Welded: 1/2" - 48"
Overall DB Range: ½" NB to 24" NB (DN6~DN100)
Dimensions StandardsASME/ANSI B16.9, B16.28, MSS-SP-43, BS4504, BS1560, BS10
Thickness (Schedules)SCH10, SCH20, SCH30, STD SCH40, SCH60, XS, SCH 80, SCH 100, SCH 120, SCH 140, SCH 160, XXS available with NACE MR 01-75
Type / ConnectionDN15-DN1200 / Welding
Bending RadiusR=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom ASTM A403 Grade WP Pipe Fitting
Manufacturing ProcessesPush, Press, Forge, Cast, etc.

Manufacturing Standards

ASME B16.9 (ASTM A403)

Long Radius Elbows, Long Radius Reducing Elbows, Long Radius Returns, Short Radius Elbows, Short Radius 180-deg Returns, 3D elbows, Straight Tees, Straight Crosses, Reducing Outlet Tees/Crosses, Lap Joint Stub Ends, Caps, Reducers.

ASME B16.28

Short Radius Elbows, Short Radius 180-deg Returns.

MSS SP43

Wrought and Fabricated Butt-Welding Fittings for Low Pressure, Corrosion Resistant Applications. Includes straight and reducing tees, stub ends, caps, and concentric/eccentric reducers.

MSS SP75

Long Radius Elbows, 3R elbows, straight tees, reducing outlet tees, caps, reducers.

Forms & Availability

Seamless/Welded 100% Radiography Tested (Sizes 1/2″ – 48″)
  • ASTM A403 SS Elbow – Long RadiusASTM A403 SS Stub Ends
  • ASTM A403 SS Elbow – Short RadiusASTM A403 Stainless Steel Cross
  • ASTM A403 Stainless 3D ElbowASTM A403 SS 5D Elbow
  • ASTM A403 SS Reducing ElbowASTM A403 SS Reducing Cross
  • ASTM A403 Stainless 45° ElbowASTM A403 Stainless Tees
  • ASTM A403 SS Fabricated TeeASTM A403 Stainless End Cap
  • ASTM A403 Stainless ReducerASTM A403 Stainless Coupling
  • ASTM A403 SS Concentric ReducerASTM A403 SS Eccentric Reducer
  • ASTM A403 SS Pipe NippleASTM A403 SS Welded Pipe Fittings

Key Advantages

  • Good general corrosion resistance and high strength.
  • Good sulfide stress corrosion resistance.
  • Resistance to chloride pitting and crevice corrosion.
  • Higher resistance to chloride stress corrosion cracking.
  • Easy to weld and conform.

Test Certificates Included

Material Test Certificates (MTC) EN 10204 3.1 & 3.2, 100% Radiography Test Reports, tests certifying NACE MR0103 and MR0175.


Explore Fitting Materials

Stainless & Duplex Steel Pipe Fittings

Stainless & Duplex Steel

Range: 15 NB UP TO 1200 NB IN SCH 5S, 10S, 10, 20, 40S, 40, STD, 60, 80S, 80, XS, 100, 120, 140, 160 & XXS.

Stainless Steel Grades: ASTM / ASME SA 403 GR WP "S" / "W" / "WX" 304, 304L, 304H, 304N, 304LN, 309, 310H, 316, 316H, 317, 317L, 321, 321H, 347, 347H.

Duplex Steel Grades: ASTM / ASME SA 815 UNS NO.S 31803, S 32205, S 32550, S 32750, S 32760.

Available Forms:
Seamless & Welded Long/Short Radius Elbows (90 & 45 Deg), 180 Deg Return Bends, Reducing Elbows, Equal/Unequal Tees, Crosses, Concentric/Eccentric Reducers, Long/Short Stubends, Collars, Pipe Caps, Long Radius Bends (R=3D to 20D) in 15/30/60/90 Degrees, and Drawing Based Custom Fittings.
Carbon & Alloy Steel Pipe Fittings

Carbon & Alloy Steel

Range: 15 NB UP TO 1200 NB IN SCH 5S, 10S, 10, 20, 40S, 40, STD, 60, 80S, 80, XS, 100, 120, 140, 160 & XXS.

Carbon Steel Grades: ASTM/ASME A 234 WPB, WPC. ASTM/ASME A 860 WPHY 42, WPHY 46, WPHY 52, WPH 60, WPHY 65 & WPHY 70.

Alloy Steel Grades: ASTM / ASME A 234 WP 1, WP 5, WP 9, WP 11, WP 12, WP 22, WP 23, WP 91.

Identical vast form availability to Stainless sizes, providing comprehensive seamless and welded elbows, tees, reducers, stubends, and caps.

Nickel & Copper Alloy Pipe Fittings

Nickel & Copper Alloys

Range: 15 NB UP TO 1200 NB across all standard and specific Schedules.

Forms: Seamless / ERW / Welded in Round & Square.

Copper Alloy Grades:

ASTM/ASME SB 111 UNS NO. C 10100, 10200, 10300, 10800, 12000, 12200, 70600, 71500.
ASTM/ASME SB 466 UNS C 70600 (CU-NI-90/10), C 71500 (CU-NI-70/30).

Nickel Alloy Specs (ASTM/ASME):

  • SB 163 UNS 2200/2201 (Nickel 200/201)
  • SB 163/165 UNS 4400 (Monel 400)
  • SB 464 UNS 8020 (Alloy 20/20 CB 3)
  • SB 704/705 UNS 8825 (Inconel 825)
  • SB 167/517 UNS 6600 (Inconel 600)
  • SB 167 UNS 6601 (Inconel 601)
  • SB 704/705 UNS 6625 (Inconel 625)
  • SB 619/622/626 UNS 10276 (Hastelloy C276)
Hastelloy Pipe Fittings

Hastelloy

Grades: Hastelloy C-22, C-276, C-2000

Standards: ASTM / ASME SB 336 & XXS

Available Forms:
Bends (Long/Short), Elbow (180/90/45 Deg), Tees (Equal/Unequal), Reducers (Concentric/Eccentric), CAPS, Stub ends, and Barrel Nipples.

Inconel Pipe Fittings

Inconel

Grades: 600, 601, 625, 625LCF, 686, 718, 800, 825, X-750

Range: 15 NB UP TO 600 NB across all schedules.

Excellent resistance to corrosion and high-temperature oxidation.

Incoloy Pipe Fittings

Incoloy

Grades: 800, 825, 925, a-286, DS

Standards: ASTM B366 ensuring top tier corrosion defense.

Designed for high-strength application in harsh chemical environments.

Monel Pipe Fittings

Monel

Grades: Monel 400, Monel k500

Range: 1/2" NB to 36" NB. Available in all elbow and tee dimensions.

Superior performance in marine and chemical processing contexts.

Titanium Pipe Fittings

Titanium

Grades: Grade 1, 2, 3, 4, 5, 7, 9, 23

Range: 15 NB To 600 NB in Sch.:5, 10, 20, 40, 80, 120, 160, XS, XXS.

Includes specialized long/short radii bends, reducing tees, and eccentric reducers.

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