Buttweld Fittings

Buttweld

Carbon Piping Solution Company is a leading manufacturer and exporter of premium-quality buttweld fittings. We offer elbows, tees, reducers, caps, and more in stainless steel, carbon steel, and alloy steel. Our products meet international standards and serve industries like oil & gas, petrochemicals, and power.

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
Form	Seamless & Welded, Long Radius & Short Radius Elbow 90°, Long Radius Elbow 45°, Long Radius & Short Radius Elbow 180° (Return Bend), Reducing Elbow, Equal Tee, Unequal Tee, Crosses, Concentric Reducer, Eccentric Reducer, Long Stubend, Short Stubend, Coller, Pipe Cap, Long Radius Bends R = 3D, 5D, 6D, 8D, 10D & 20D in 15°, 30°, 60° & 90°, Drawing Based Butt Weld Fitting (Customised).
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. S31803, S32205, S32550, S32750, S32760

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
Form	Seamless & Welded, Long Radius & Short Radius Elbow 90°, Long Radius Elbow 45°, Long Radius & Short Radius Elbow 180° (Return Bend), Reducing Elbow, Equal Tee, Unequal Tee, Crosses, Concentric Reducer, Eccentric Reducer, Long Stubend, Short Stubend, Coller, Pipe Cap, Long Radius Bends R = 3D, 5D, 6D, 8D, 10D & 20D in 15°, 30°, 60° & 90°, Drawing Based Butt Weld Fitting (Customised)
Carbon Steel	ASTM / ASME A 234 WPB, WPC, ASTM / ASME A 860 WPHY 42, WPHY 46, WPHY 52, WPH 60, WPHY 65 & WPHY 70
Alloy Steel	ASTM / ASME A 234 WP 1, WP 5, WP 9, WP 11, WP 12, WP 22, WP 23, WP 91

Nickel & Copper Alloy

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
Form	Seamless / Erw / Welded in Round & Square
Nickel Alloy	ASTM / ASME SB 163 UNS 2200 (NICKEL 200), ASTM / ASME SB 163 UNS 2201 (NICKEL 201), ASTM / ASME SB 163 / 165 UNS 4400 (MONEL 400), ASTM / ASME SB 464 UNS 8020 (ALLOY 20 / 20 CB 3), ASTM / ASME SB 704/705 UNS 8825 INCONEL (825), ASTM / ASME SB 167 / 517 UNS 6600 (INCONEL 600), ASTM / ASME SB 167 UNS 6601 (INCONEL 601), ASTM / ASME SB 704 /705 UNS 6625 (INCONEL 625), ASTM / ASME SB 619/622/626 UNS 10276 (HASTELLOY C 276)
Copper Alloy	ASTM / ASME SB 111 UNS NO. C 10100, 10200, 10300, 10800, 12000, 12200, 70600, 71500, ASTM / ASME SB 466 UNS NO. C 70600 (CU-NI-90/10), C 71500 (CU-NI-70/30)

Hastelloy

Grades	Hastelloy C-22, Hastelloy C-276, Hastelloy C-2000
Standards	ASTM / ASME SB 336 & XXS
Types	Bend (Long & Short), Elbow (180° , 90° & 45°), Tee (Equal & Unequal), Reducer (Concentric & Eccentric), CAP, Stub end (Long & Short), Nipple (Barrel)

Inconel

Grades	Inconel 600, Inconel 601, Inconel 625, Inconel 625LCF, Inconel 686, Inconel 718, Inconel 800, Inconel 825, Inconel X-750
Range	15 NB UP TO 600 NB IN SCH 5S, 10S, 10, 20, 40S, 40, STD, 60, 80S, 80, XS, 100, 120, 140, 160 & XXS
Types	Elbow 90°, Elbow 45°, Elbow 180°, long/short radius elbows, equal/unequal tees, concentric/eccentric reducers, caps, crosses, short/long neck stub-ends

Incoloy

Grades	Incoloy 800, Incoloy 825, Incoloy 925, Incoloy A-286, Incoloy DS
Standards	ASTM B366
Types	Bend (Long & Short), Elbow (180°, 90° & 45°), Tee (Equal & Unequal), Reducer (Concentric & Eccentric), CAP, Stub end (Long & Short), Nipple (Barrel)

Monel

Grades	Monel 400, Monel K500
Range	1/2″ NB to 36″ NB
Types	Long/short radius elbows, equal/unequal tees, concentric/eccentric reducers, caps, cross, short/long neck stub-ends

Titanium

Grades	Grade 1, Grade 2, Grade 3, Grade 4, Grade 5, Grade 7, Grade 9, Grade 23
Titanium Buttweld Fitting Range	15 NB To 600 NB in Sch.: 5, 10, 20, 40, 80, 120, 160, XS, XXS
Types	Bend (Long & Short), Elbow (180°, 90° & 45°), Tee (Equal & Unequal), Reducer (Concentric & Eccentric), CAP, Stub end (Long & Short), Nipple (Barrel)

Specification of Buttweld Fittings

Specifications	ASTM A403 / ASME SA403
Dimensions	ASME/ANSI B16.9, ASME B16.28, MSS-SP-43, BS4504, BS4504, BS1560, BS10 ASME 16.11, MSS SP-79, 83, 95, 97, BS 3799
Size	Seamless Butt Weld Fittings: 1/2″ – 10″, Welded Butt Weld Fittings: 1/2″ – 48″
Schedule	SCH10, SCH20, SCH30, STD SCH40, SCH60, XS, SCH 80, SCH 100, SCH 120, SCH 140, SCH 160, XXS available with NACE MR 01-75
Bending Radius	R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom
Type	Seamless / ERW / Welded / Fabricated
Thickness	20 Swg., 18 Swg., 16 Swg., 14 Swg., 12 Swg., 10 Swg., & Sch. 10, Sch. 40, Sch. 80 etc.