Nascent Fittings Inc.·Carbon Steel
Carbon Steel Equal Tee
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
The most common pipe fitting, is used to combine (or divide) fluid flow. Tees can connect pipes of different diameters or change the direction of a pipe run, or both. Available in a variety of materials, sizes and finishes, they may also be used to transport two-fluid mixtures. Tees may be Equal Tee or Unequal Tee in size of their three connections, with equal tees the most common. Nascent fittings manufactures and exports high quality Equal tee. it is used to change the path of pipe runs and also to connect pipes of different diameters to other pipe runs, which are best for services that require high temperature. Moreover, these tees are manufactured and provided to consumers as per their specific needs and also the specifications provided.
Typical applications
- Oil & Gas
- Petrochemical
- Chemical Processing
- Power Generation
- Refineries
- Pressure Vessels
Configurations
Carbon Steel Buttweld Fittings types
Open a type for drawings-aligned specifications.

Carbon Steel 180° Elbow

Carbon Steel 45° Elbow

Carbon Steel 90° Elbow

Carbon Steel Barred Nipples

Carbon Steel Barred Tee

Carbon Steel Cross Tee

Carbon Steel End Cap

Carbon Steel Equal Tee

Carbon Steel Laterals

Carbon Steel Long Stubend

Carbon Steel Reducer

Carbon Steel Reducing Tee

Carbon Steel Short Stubend

Carbon Steel Swage Nipples

Carbon Steel U Bend
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)
ViewCompliance
Standards & certificates
Specifications and documentation typically referenced for this product line — details from our shared compliance catalog.
Standards
7ASME B16.9
ASMEFactory-made wrought buttwelding fittings.
- Scope
- Dimensions, tolerances, ratings, and markings for wrought buttweld fittings.
- Applies To
- Elbows, tees, reducers, caps, crosses, stub ends and related forms
- Size Coverage
- Typically NPS ½ through 48
- Related
- MSS SP-43, ASME B16.28
MSS SP-43
MSSWrought and fabricated butt-welding fittings for low pressure, corrosion resistant applications.
- Scope
- Dimensions for stainless and alloy butt-weld fittings intended for low-pressure service.
- Applies To
- Buttweld fittings in corrosion-resistant alloys
- Related
- ASME B16.9
MSS SP-75
MSSHigh-strength, wrought, butt-welding fittings.
- Scope
- Requirements for high-yield-strength wrought butt-welding fittings for pipelines and related services.
- Applies To
- Elbows, tees, reducers and caps in high-strength carbon/alloy steels
MSS SP-97
MSSIntegrally reinforced forged branch outlet fittings.
- Scope
- Design and dimensions for forged branch outlets (olets) that reinforce the branch connection.
- Applies To
- Weldolets, sockolets, threadolets, latrolets, elbolet and related outlets
MSS SP-95
MSSSwage(d) nipples and bull plugs.
- Scope
- Dimensions and marking for swage nipples and bull plugs.
- Applies To
- Concentric and eccentric swage nipples, bull plugs
ASTM A105
ASTMCarbon steel forgings for piping applications.
- Scope
- Forged carbon steel piping components for ambient and higher-temperature service.
- Applies To
- Flanges, fittings, valves and similar parts
- Typical Grades
- A105 / A105N
ASTM A694
ASTMCarbon and alloy steel forgings for pipe flanges, fittings, valves and parts for high-pressure transmission service.
- Scope
- High-strength carbon steel forgings for pipeline transmission flanges and fittings.
- Applies To
- Flanges and forged fittings for high-pressure gas/oil transmission
Certificates
5EN 10204 3.1
Mill test certificate with inspection by the manufacturer’s authorized inspection representative, independent of manufacturing.
- Type
- Inspection document (MTC)
- Scope
- States chemical analysis, mechanical test results and heat / lot identification for the supplied material.
- Documentation
- EN 10204 Type 3.1
- Benefit
- Provides traceable material evidence required on most industrial RFQs.
ISO 9001
Quality Management System certification.
- Type
- Quality Management System
- Scope
- Demonstrates a documented QMS covering process control, traceability and continual improvement across manufacturing and supply.
- Benefit
- Assures buyers of consistent product quality and controlled production practices.
- Issued As
- Third-party accredited certificate
PED
Pressure Equipment Directive compliance for equipment placed on the EU market.
- Type
- Regulatory conformity
- Scope
- Design and conformity assessment requirements for pressure equipment and assemblies in the European Union.
- Benefit
- Enables supply of pressure-rated components into EU projects when PED conformity is required.
- Related
- CE marking / Notified Body routes as applicable
IBR
Indian Boiler Regulations approval for boiler-quality piping materials and components.
- Type
- Regulatory approval
- Scope
- Materials and components intended for use under Indian boiler installations.
- Benefit
- Required for many power and process projects under IBR jurisdiction in India.
NACE MR0175
Materials for use in H₂S-containing environments in oil and gas production.
- Type
- Service / sour-service requirement
- Scope
- Limits hardness, microstructure and material selection for sulfide stress cracking resistance.
- Applies To
- Carbon, alloy and CRA piping products ordered for sour service
- Benefit
- Supports upstream oil & gas projects specifying sour-service compliance.
Manufacturing
Crafted with care
Workshop and production views for Carbon Steel Equal Tee — the same craftsmanship photos from our plant archives, shown in webp.
3 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.
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