Office No. 12, 3rd Floor, 133/135, Sai Manjil,
Nr. Aman House 3, Kumbharwada, Mumbai 400 004, Maharashtra, India

Carbon Steel Pipe Fittings Manufacturer & Supplier in India

ASTM A234 WPB, A420 WPL6 & MSS-SP-75 High-Yield Butt-Weld Fittings with EN 10204 3.1 MTCs

Technical Details Summary

  • Manufacturing Process: Seamless and welded butt-weld fitting production via hot mandrel bending, cold hydraulic forming, pressing, and precision bevel end machining.
  • Dimensional Range: Seamless and welded fittings from 1/2" NB to 48" NB in wall schedules Sch 10s, 20, 40, STD, 80, XS, 120, 160, and XXS.
  • Manufacturing Standards: Fully compliant with ANSI/ASME B16.9, ASME B16.28, MSS-SP-43, and MSS-SP-75 dimensions and tolerances.
  • Core Material Specifications: ASTM/ASME A234 WPB/WPC, ASTM A420 WPL3/WPL6, and MSS-SP-75 WPHY 42, 46, 52, 56, 60, 65, and 70.
  • Quality & Verification: EN 10204 3.1 Mill Test Certification, Hydrostatic Testing, Radiographic Testing (RT) on welded seams, Magnetic Particle Inspection (MPI), and Ultrasonic Testing (UT).
ASTM A234 WPB carbon steel elbows, tees, and reducers stacked for industrial piping applications

Carbon Steel Pipe Fittings Specifications

Detailed dimensional parameters, manufacturing methods, and standard supply capabilities offered by Trident Metal & Alloys.

Specification Parameter Manufacturing Capabilities & Supply Limits
Size & Schedule Range 1/2" NB to 48" NB in Seamless, Welded, and Fabricated forms; Wall Thickness: Sch 10 to Sch XXS
Product Configurations 45°/90°/180° LR & SR Elbows, Equal & Reducing Tees, Concentric & Eccentric Reducers, Caps, and Crosses
Bending Radius Options R=1D, 2D, 3D, 5D, 6D, 8D, 10D, or custom bending radii for pigtail and directional piping loops
High-Temperature Standards ASTM / ASME A234 WPB, WPC, WP1, WP11, WP22, WP5, WP9, WP91
Low-Temperature Standards ASTM / ASME A420 WPL3, WPL6 (Charpy V-Notch impact tested down to -50°C to -101°C)
High-Yield Linepipe Standards MSS-SP-75 WPHY 42, WPHY 46, WPHY 52, WPHY 56, WPHY 60, WPHY 65, WPHY 70
Forged Fitting Standards ASTM A105, ASTM A350 Gr. LF2 / LF3, ASTM A694 F42 through F70 (Class 3000, 6000, 9000)
Dimensional Standards ANSI/ASME B16.9, ASME B16.28, MSS-SP-43, MSS-SP-75, and BS 1640
End Preparation Plain End (PE), Beveled End (BE to ASME B16.25), Compound Bevel, and Threaded/Socket Weld
Surface Protection Black Rust-Preventive Paint, Transparent Oil Coating, Hot-Dip Galvanizing, Zinc Phosphate, 3LPE Coating
ASTM A420 WPL6 low temperature carbon steel tees and reducers with bevel ends

Carbon Steel Pipe Fittings Overview

Trident Metal & Alloys is a premier Carbon Steel Pipe Fittings Manufacturer in India. We engineer high-integrity butt-weld and forged fittings designed to withstand extreme hydraulic pressures, thermal cycles, and mechanical stresses across steam, oil, gas, and petrochemical pipelines.

Engineered to integrate seamlessly with our high-pressure Carbon Steel Flanges, our fittings ensure leak-proof joint integrity and zero pressure drops in critical piping systems. Every component undergoes rigorous heat treatment and precise bevel machining for optimal field performance.

As a trusted Carbon Steel Pipe Fittings Supplier in India, we maintain a comprehensive inventory of seamless and welded elbows, tees, reducers, and caps. Dispatched with EN 10204 3.1 Mill Test Certificates (MTCs), our products strictly comply with ASME, ASTM, and MSS standards.

Carbon Steel Pipe Fittings Grades & Standards

Alloy Grades Series / Category Primary Characteristics & Industrial Applications
ASTM A234 WPB Standard High-Temp Everyday industrial standard for medium-to-high temperature steam lines, refineries, and water distribution.
ASTM A234 WPC Higher Tensile High-Temp Higher carbon content providing enhanced tensile strength for heavy-wall high-pressure boiler piping systems.
ASTM A420 WPL6 Low-Temp (-50°C) Charpy impact-tested alloy engineered for sub-zero liquid gas transport, refrigeration, and cold climates.
ASTM A420 WPL3 Extreme Cryogenic (-101°C) Nickel-alloyed carbon steel designed to retain notch toughness down to cryogenic temperatures in gas plants.
MSS-SP-75 WPHY 42 / 46 High-Yield Pipeline Fine-grained carbon steel providing strong yield capabilities for cross-country oil and water transmission.
MSS-SP-75 WPHY 52 / 56 Medium-High Yield Normalization-treated grade built for high-pressure natural gas trunklines and offshore riser systems.
MSS-SP-75 WPHY 60 / 65 High-Strength Pipeline High-yield micro-alloyed steel designed to handle severe hoop stresses in sour-gas pipelines.
MSS-SP-75 WPHY 70 Ultra-High Yield Quenched and tempered grade offering maximum yield strength to minimize wall thickness in heavy-duty lines.
ASTM A105 High-Temp Forged Standard forged steel grade for high-pressure socket-weld and threaded fittings in chemical processing.
ASTM A350 LF2 / LF3 Low-Temp Forged Normalized or quenched forged fitting alloy providing guaranteed sub-zero impact resistance for cold services.
ASTM A694 F42 to F70 High-Yield Forged High-strength forged fittings matching high-yield line pipe for offshore manifolds and wellheads.

Key Advantages of Carbon Steel Pipe Fittings

High Pressure Resistance

Engineered to endure extreme internal line pressures and pressure surges without structural deformation or joint fatigue.

Leak-Proof Butt-Weld Integrity

Beveled ends allow full-penetration butt welding, forming a smooth, continuous interior joint that eliminates fluid turbulence and pressure drops.

Sub-Zero & High-Temperature Versatility

Broad grade availability allows reliable operation in temperatures ranging from -101°C cryogenic gas lines up to 500°C steam processing.

Excellent Weldability & Formability

Optimized chemical composition ensures easy field welding using standard E7018 electrodes without risk of hydrogen cracking.

Cost-Effective Durability

Provides high mechanical strength and long service life at a significantly lower material cost compared to alloy or stainless steel alternatives.

Quality Verification & Testing Standards

Every shipment dispatched by Trident Metal & Alloys undergoes strict multi-stage quality control to comply with project material standards:

Mill Test Certification

Fully compliant EN 10204 3.1 certification verifying heat chemistry, mechanical yield/tensile strength, elongation, and heat treatment cycles.

Non-Destructive Testing (NDT)

100% Ultrasonic Testing (UT) for seamless fitting bodies, continuous Radiographic Testing (RT) on welded seams, and Hydrostatic testing to ASME code limits.

Alloy Composition Verification

Positive Material Identification (PMI) via X-ray fluorescence (XRF) spectroscopy to guarantee strict carbon, manganese, and silicon element percentages.

Third-Party Inspection (TPI)

Independent inspection protocols managed through client-approved agencies like TUV, Bureau Veritas, SGS, DNV, and Lloyd's Register.

Regional Supply Network Across India

Western Region (Maharashtra & Gujarat)

Supplying ASTM A234 WPB and MSS-SP-75 WPHY 52 carbon steel fittings to refineries, chemical complexes, and EPC contractors in Mumbai, Pune, Thane, Ahmedabad, Vadodara, Rajkot, Surat, and Hazira.

Northern & Central Region (NCR, Punjab, UP & MP)

Distributing A420 WPL6 low-temperature and A105 forged fittings for power plants, gas distribution, and MEP projects across Delhi NCR, Gurgaon, Faridabad, Ghaziabad, Ludhiana, Kanpur, Indore, and Bhopal.

Southern Region (Tamil Nadu, Karnataka, Telangana & AP)

Delivering seamless carbon steel elbows, tees, and reducers to thermal power units, hydraulic machinery plants, and water supply projects in Chennai, Coimbatore, Bengaluru, Hyderabad, Visakhapatnam, and Kochi.

Eastern Region (West Bengal, Odisha, Jharkhand & Chhattisgarh)

Bulk supply of heavy-wall A234 WPC and WPHY 65 high-yield pipe fittings for steel plant utilities, mining slurry networks, and heavy infrastructure in Kolkata, Durgapur, Jamshedpur, Rourkela, Bhilai, and Raipur.

Frequently Asked Questions

Q: What is the main difference between ASTM A234 WPB and ASTM A420 WPL6 fittings?

A: ASTM A234 WPB is designed for medium-to-high temperature general services, whereas ASTM A420 WPL6 is specifically impact-tested at -50°C for sub-zero and cryogenic applications.

Q: What does "WPB" stand for in ASTM A234 WPB?

A: "WP" stands for Wrought Pipe or Fitting, and "B" indicates Grade B, which specifies the minimum yield strength requirement of 240 MPa (35,000 psi).

Q: Are MSS-SP-75 WPHY fittings suitable for high-pressure gas pipelines?

A: Yes, MSS-SP-75 WPHY grades (WPHY 42 through 70) are high-yield fittings specifically engineered for high-pressure gas and oil transmission pipelines.

Q: What end bevel options do you provide for butt-weld fittings?

A: We supply standard 37.5° bevel ends according to ASME B16.25 for wall thicknesses up to 22 mm, as well as compound bevels for heavier wall schedules.

Q: Can carbon steel fittings be galvanized for corrosion protection?

A: Yes, we offer hot-dip galvanizing compliant with ASTM A153 to protect fittings in outdoor, marine, or highly humid industrial environments.

Q: Do you supply seamless and welded carbon steel fittings?

A: Yes, we supply seamless fittings up to 24" NB and welded or fabricated fittings up to 48" NB in all major schedules.

Q: What documentation comes with the carbon steel pipe fittings?

A: Every consignment includes an EN 10204 3.1 Mill Test Certificate detailing heat numbers, chemical composition, mechanical test results, and NDT clearance reports.

Request a Quote

Contact Trident Metal & Alloys for direct factory pricing, immediate stock availability, and technical material selection support for your carbon steel pipe fitting requirements.