Alloy C276 Tube
Austenitic / Duplex Steel / Nickel Alloy / Cobalt AlloyEstablished in 2006, MTSCO specializes in supplying piping systems made of stainless steel, duplex steel, and nickel alloys. The company is ISO 9001 certified and can provide support for international certifications—such as PED, ISO, and NORSOK M650—to ensure products meet the specifications of global engineering projects.
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ASTM B366 Nickel Alloy C276 BW Fitting Corrosion Resistant ISO PED Certified
Specifications Of C276 BW Fitting
Item | Specification |
Product Name | ASTM B366 Nickel Alloy C276 BW Fitting Corrosion Resistant ISO PED Certified |
Product Type | Butt Weld Fitting / BW Fitting |
Material Grade | Alloy C276 / UNS N10276 |
Standard | ASTM B366 / ASME B16.9 / MSS SP-43 / As Required |
Available Types | 45° Elbow, 90° Elbow, 180° Elbow, Equal Tee, Reducing Tee, Concentric Reducer, Eccentric Reducer, Cross, Cap, Stub End |
Size Range | ≤2000mm / ≤DN2000 / ≤80", Stub End OD ≤32" |
Wall Thickness | ≤30.96mm / ≤Sch160 |
Process | Cutting / Forming / Heat Treatment / Beveling / Surface Treatment |
Surface | Pickled / Sand Blasted / As Required |
Inspection | Appearance, Dimension, PMI, PT, RT, Hydrostatic Test, Mechanical Test, Chemical Analysis |
Certificates | ISO / PED / As Required |
Package | Bubble Wrap / Film Wrapping / End Protection / Wooden Case / Wooden Pallet |
Application | Chemical Processing, Acid Service, Corrosion Resistant Piping System |
Why Choose MTSCO for Global Projects?
· Extensive Cross-Border Project Experience: Since 2006, MTSCO has consistently supplied metal piping systems for chemical and energy projects worldwide. We are well-versed in international project procurement processes and adept at efficiently handling complex overseas technical specifications.
· Comprehensive One-Stop Supply: For ASTM B366 C276 butt-weld fittings, we supply a complete range of products—including elbows, tees, and reducers—strictly in accordance with your MTO (Material Take-Off) list. We offer integrated supply packages combining fittings, pipes, and flanges, thereby eliminating the risk of material or specification discrepancies often associated with fragmented procurement.
· Rigorous Quality Control System: All high-nickel alloy products undergo strict material analysis (PMI), dimensional inspection, and non-destructive testing (NDT). Through end-to-end quality management, we ensure zero-defect products that meet safety standards for extreme operating conditions, such as high-corrosion and high-pressure environments.
Production and Inspection Traceability
MTSCO has established a closed-loop data system covering the entire butt-weld fitting production line. From raw material verification upon entry, customized forming, and precision heat treatment to 100% surface and non-destructive testing before shipment, every core process is linked to a unique "Process Card." During the final packaging and delivery stage, the QC team documents the packing status with on-site photographs. This continuous digital traceability chain ensures the entire complex cross-border procurement process is visible, authentic, and transparent.

Penetrant Testing (PT)
Penetrant Testing is a non-destructive testing (NDT) method commonly used to inspect pipe fittings and flanges for surface defects. It is primarily employed to detect minute surface imperfections.
During inspection, technicians clean the product surface and apply a penetrant, allowing it to seep into any surface defects. After cleaning and developer application, defect locations are revealed through color contrast, facilitating surface quality assessment.
For nickel alloy butt-weld fittings, PT is frequently used to inspect weld bevels, formed areas, and machined surfaces. MTSCO conducts penetrant testing on its fittings and provides corresponding inspection records, enabling customers to verify the surface condition prior to shipment.
FAQ
Q1: For which corrosive environments are Alloy C276 BW (Butt-Weld) fittings suitable?
A1: Alloy C276 is suitable for acidic media, chloride-containing environments, and complex chemical processing media. Specific application conditions should be confirmed based on the medium composition, temperature, pressure, and project standards.
Q2: What inspections are typically performed on these fittings before shipment?
A2: Standard inspections include visual and dimensional checks, PMI (Positive Material Identification), PT (Dye Penetrant Testing), RT (Radiographic Testing), mechanical property testing, and chemical composition analysis. Specific inspection items can be executed according to the order and customer requirements.
Q3: Can third-party inspections be arranged?
A3: Yes. MTSCO supports pre-shipment inspections by third-party agencies such as SGS, TÜV, and BV, and facilitates the provision of dimensional and visual data, PMI and NDT results, and relevant documentation.
Q4: Can these be purchased together with pipes and flanges?
A4: Yes. MTSCO offers a coordinated supply of pipes, fittings, flanges, and plates, allowing customers to unify material specifications, standards, packaging, and shipping schedules.
Manufacturing Experience
Plant Area
Max Diameter of Welded Pipe
Annealing Furnace Length
Nickel Alloy
NI-MO: N10001,N10665,N10675...
NI-CR-MO: N10276,N06022,N06035,N06455,N06002...
NI-CR-MO-CU: N06030,N06200,N08031,N08825,N08020...
NICR-MO-W: N06230...
NICKEL: N02200,N02201...
NI-CU: N04400,N05500...
NI-CR-FE: N06600,N06601,N06690,N08800,N08810,N08811...
NI-CR-MO-NB: N06625,N07718...
Austenitic
304/L/H/N, 316/L/H/N/Ti, 321/H, 309/H, 310S, 347/H, 317/L, 904L...
Duplex Steel
31803, 32205, 32750, 32760...
Cobalt Alloy
Alloy 188/ UNS R30188, Alloy L-605/ UNS R30605, Alloy S-816, Alloy 6B, UMCo50, FSX-414, MP-159...
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