Nascent Fittings Inc.·Carbon Steel
Carbon Steel Buttweld Fittings
ASME B16.9 buttweld elbows, tees, reducers & caps in SS, CS, alloy, duplex & nickel alloys. Sch 10–XXS, MTCs, inspection support and worldwide export supply.

- Material
- Carbon Steel
- Size
- 1/2" to 80" NB
- Schedule
- Sch 10/20/40/XS/60/80/100/120/140/160/XXS
- Grades
- ASTM A234 WPB, P235TR2, P265TR2 +
About
Carbon Steel Buttweld Fittings
Product overview combined with Carbon Steel material context for project selection.
Nascent fittings is a reputed manufacturer and exporter of a wide range of Buttweld fittings which are used in industrial pipe systems to change direction, branching and to mechanically connect equipments to the system including high temperature conditions like furnace.
Manufacturing note
Buttweld fittings comprises of all radius (long & short) elbow – 90 Deg, 45 Deg, 180 Deg, Tee – Cross Tee, Equal tee, Barred tee, Reducing Tee, concentric reducer, eccentric reducer, Barrel Nipple, Swage Nipple, Laterals, End cap, Dishend, U Bend & Short & Long Stub End. It also offers a comprehensive range of carbon steel , alloy steel, stainless steel, duplex, super duplex steel, Nickel, Monel, Inconel, Hastelloy, SMO 254, Aluminum Titanium Alloy and low temperature carbon steel as per the necessities of the clients.
Typical applications
- Oil & Gas
- Petrochemical
- Chemical Processing
- Power Generation
- Refineries
- Pressure Vessels
Technical data
Specifications
- Manufacturing Range: – : 1/2" to 80" NB, ANSI/ASME B 16.9, MSS-SP-43, MSS-SP-75, MSS-SP-97, MSS-SP-95 etc.
- Schedule / Thickness Range: – Sch 10/20/40/XS/60/80/100/120/140/160/XXS etc.
- Material Types: – Carbon Steel, Alloy Steel, Stainless Steel , Duplex Steel , Super Duplex Steel, Low Temperature Carbon Steel (LTCS) , Copper and Nickel Alloys (Copper Nickel, Nickel, Monel, Inconel, Hastelloy, SMO 254, Aluminium, Titanium) Fittings.
- Products: – 90° Elbow, 45° Elbow, 180° Elbow, Cross Tee, Equal Tee, Unequal Tee, Barred Tee, Reducing Tee, Concentric Reducer, Eccentric Reducer, Swage Nipples, Barrel Nipples ,Long Stubend, Short Stubend, U Bend, End Cap, Dishend, Laterals, etc.
Carbon Steel grades
Available grades for Buttweld Fittings
Drawn from the Carbon Steel catalog and this product’s material specification.
ASTM A234 WPB
Standard carbon steel buttweld fitting grade for moderate and elevated temperature service.
Best for · General buttweld piping
P235TR2
EN carbon steel grade for welded tubes for pressure purposes with specified elevated temperature properties.
Best for · Pressure tubing
P265TR2
Higher-strength EN carbon steel for welded pressure tubes.
Best for · Higher pressure tube service
P235GH
EN non-alloy steel for elevated temperature pressure vessels and pipe.
Best for · Elevated temperature pressure service
P265GH
EN non-alloy steel with higher yield for elevated temperature pressure equipment.
Best for · Higher-duty pressure vessels
P355N
Normalized fine-grain EN carbon-manganese steel for pressure vessels.
Best for · Normalized pressure vessel service
P355NH
Elevated-temperature variant of P355 for pressure applications.
Best for · Elevated temperature pressure vessels
Also available in
Other materials for this product
View Buttweld Fittings in another material grade family.
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Material
Duplex Steel
UNS S31803 · UNS S32205
View
Material
Low Temperature Carbon Steel
ASTM A420 WPL6
View
Material
Cupro Nickel
Cu-Ni 90/10 (C70600) · Cu-Ni 70/30 (C71500)
View
Material
Nickel Alloy
Nickel 200 · Nickel 201
View
Material
Monel
Monel 400 · Monel K500
View
Material
Hastelloy
Hastelloy C-276 · Hastelloy C-22
View
Material
Aluminium
3003-H18 · 3003-H112
View
Material
Titanium
Grade 1 · Grade 2
View
Material
Stainless Steel
SMO 254 · F304
View
Material
Alloy Steel
F5 · F9
View
Material
Copper
C11000 (ETP) · C12200 (DHP)
View
Material
Copper Alloy
UNS C70600 (Cu-Ni 90/10) · UNS C71500 (Cu-Ni 70/30)
ViewConfigurations
Carbon Steel Buttweld Fittings types
Open a type for drawings-aligned specifications.

Carbon Steel Cross Tee

Carbon Steel Laterals

Carbon Steel End Cap

Carbon Steel U Bend

Carbon Steel Short Stubend

Carbon Steel Long Stubend

Carbon Steel Barred Nipples

Carbon Steel Swage Nipples

Carbon Steel Reducers

Carbon Steel Reducing Tee

Carbon Steel Barred Tee

Carbon Steel Equal Tee

Carbon Steel 180° Elbow

Carbon Steel 90° Elbow

Carbon Steel 45° Elbow
Compliance
Standards & certificates
Specifications and documentation support typically referenced for this product line.
Standards
7- 01ASME B 16.9
- 02MSS-SP-43
- 03MSS-SP-75
- 04MSS-SP-97
- 05MSS-SP-95
- 06ASTM A105
- 07ASTM A694
Certificates
5- EN 10204 3.1
- ISO 9001
- PED
- IBR
- NACE MR0175
Manufacturing
Crafted with care
Workshop and production views for Carbon Steel Buttweld Fittings — the same craftsmanship photos from our plant archives, shown in webp.
2 photos


People also ask
Questions about Buttweld Fittings
Nascent Fittings Inc. answers common buyer questions for this line.
Does Nascent Fittings Inc. manufacture Buttweld Fittings?+
Yes. Nascent Fittings Inc. manufactures and supplies Buttweld Fittings for industrial piping projects, with material grades and sizes aligned to project specifications.
Can Nascent Fittings Inc. export Buttweld Fittings worldwide?+
Yes. We export Buttweld Fittings globally with standard export packaging, material test certificates, and documentation support for international shipments.
What materials are available for Buttweld Fittings?+
Buttweld Fittings is available in carbon steel, alloy steel, stainless steel, duplex, nickel alloys, copper alloys, aluminium, titanium and other project-specific materials as required.
Need pricing for Carbon Steel Buttweld Fittings?
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