China Customized Butt Weld Elbow Manufacturers Suppliers Factory - Wholesale Service

Your Professional Butt Weld Elbow Supplier

Industrial piping systems require reliable directional changes through continuous welded connections. Butt weld elbows are engineered to meet these demands across various operating pressures and temperatures.

Production capabilities cover seamless elbows from 1/2" to 24" and welded elbows up to 48", depending on material, wall thickness, and forming requirements. Standard dimensions follow ASME B16.9, with material grades adhering to ASTM and ASME specifications such as ASTM A234, ASTM A403, ASTM A420, and ASTM A815.

ASTM A234 WP22 Butt Weld Elbow
ASTM A234 WP22 butt weld elbows are 2¼Cr-1Mo chromium-molybdenum alloy steel pipe fittings designed to redirect fluid flow in high-temperature and high-pressure industrial piping systems.
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ASTM A234 WP11 Butt Weld Elbow
ASTM A234 WP11 butt weld elbows are chromium-molybdenum alloy steel pipe fittings designed to change pipeline direction in elevated-temperature and high-pressure service environments.
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ASTM A403 WP316L Butt Weld Elbow
ASTM A403 WP316L butt weld elbows are seamless or welded austenitic stainless steel pipe fittings engineered to change the flow direction in industrial piping systems. Designed for permanent welded installation, these elbows provide
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ASTM A403 WP316 Butt Weld Elbow
An ASTM A403 WP316 butt weld elbow is a wrought austenitic stainless steel pipe fitting engineered to change the flow direction of a welded piping system. The inclusion of molybdenum in the WP316 alloy provides enhanced resistance to
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ASTM A403 WP304 Butt Weld Elbow
ASTM A403 WP304 butt weld elbows are wrought austenitic stainless steel fittings designed to redirect fluid flow in welded industrial piping systems.
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45 Degree Short Radius Butt Weld Elbow
A 45 Degree Short Radius Butt Weld Elbow is a butt welding pipe fitting designed to change the flow direction of a piping system by 45 degrees.
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Standards & Material Specifications

Requirement	Common Standard
Dimensions	ASME B16.9
Carbon Steel Fittings	ASTM A234
Stainless Steel Fittings	ASTM A403
Low-Temperature Fittings	ASTM A420
High-Temperature / Alloy Applications	ASTM A234 / project specification
Duplex / Selected Stainless Grades	ASTM A815
Inspection & Documentation	Project / purchaser specification

Why Choose Us

Advanced Manufacturing Facilities

Equipped with state-of-the-art heating, forming, and machining lines to ensure high dimensional accuracy and structural integrity for every elbow.

Strict Quality Assurance

Comprehensive testing protocols covering raw material verification, non-destructive examination (NDE), and precise dimensional checks to meet global standards.

Global Project Experience

Proven track record of supplying reliable piping solutions to major international oil and gas, power generation, and chemical processing projects.

Extensive Inventory & Fast Delivery

Large stocks of standard carbon steel and stainless steel grades ready for immediate dispatch, minimizing project downtime.

Custom Engineering Capability

Flexible production lines capable of manufacturing non-standard radii, heavy wall thicknesses, and specialized alloy grades tailored to your precise project specifications.

Full Traceability & Certification

Complete material test reports (MTR) and third-party inspection (TPI) support provided with every shipment to guarantee total compliance and peace of mind.

Applications

Butt weld elbows are integrated into fluid transport and process networks requiring permanent, welded directional control:

Oil & Gas: Gathering systems, transmission pipelines, compressor stations, and refinery process units.

Chemical & Petrochemical: Corrosive fluid transfer lines, reaction loops, and chemical utility systems.

Power Generation: Steam distribution lines, boiler feed loops, cooling water networks, and high-temperature alloy systems.

Water Treatment: Municipal intake systems, high-pressure filtration lines, and wastewater treatment infrastructure.

Shipbuilding & Marine: Ballast lines, marine fuel systems, and shipboard process piping.

Carbon Steel, Stainless Steel & Alloy Steel Options

Carbon Steel Elbows

Standard grades include ASTM A234 WPB, ASTM A234 WPC, and ASTM A420 WPL6 for low-temperature applications. ASTM A234 WPB serves general industrial pressure piping, including oil and gas, power generation, and water treatment systems. ASTM A420 WPL6 provides impact-tested performance for sub-zero operations.

Stainless Steel Elbows

Specified under ASTM A403, common grades include WP304, WP304L, WP316, WP316L, WP321, and WP347. These are deployed across chemical processing, food-grade systems, water treatment, and corrosive environments.

Alloy Steel Elbows

Encompasses grades such as WP1, WP5, WP9, WP11, WP12, WP22, WP91, and project-specific variations. Suitability depends on thermal and pressure thresholds. Project material specifications should be submitted prior to quoting to evaluate forming, heat treatment, and testing parameters.

Choose the Right Elbow: Angle, Radius and Size

Three primary geometric parameters must be verified prior to procurement: Angle + Radius + Size.

45° vs. 90° Elbow: A 45° configuration offers a minor directional shift for layout offsets. A 90° configuration provides a standard perpendicular turn and represents the most common layout requirement in industrial piping.

Long Radius vs. Short Radius: Long Radius (LR) elbows maintain a centerline radius equal to 1.5 times the nominal size (1.5D). Short Radius (SR) elbows utilize a centerline radius equal to 1.0 times the nominal size (1.0D). LR variants suit standard process layouts, while SR variants address spatial restrictions.

Seamless vs. Welded Butt Weld Elbows

The method of construction influences structural performance, particularly under elevated pressures and large diameters.

Seamless Elbows: Formed from seamless pipe or tubular billets without longitudinal weld seams. Applied in small-to-medium pressure piping. Production capacity spans 1/2" to 24" subject to wall thickness limits.

Welded Elbows: Utilized primarily in larger diameters where welded pipe or plate-forming methods are designated. Production capacity extends up to 48" depending on structural specifications.

Dimensions & Standard Specifications

Dimensional compliance for standard wrought butt welding fittings follows ASME B16.9. Typical procurement parameters include:

NPS / DN and Outside Diameter (OD)

Wall Thickness and Schedule

Center-to-End Dimensions and Centerline Radius

Elbow Angle and End Preparation

Material Grade and Heat Treatment Status

Surface Condition

Recognized pipe schedules include SCH 5, 10, 20, 30, 40, 60, 80, 100, 120, 140, and 160. Material availability varies by schedule, requiring verification against applicable dimensional standards.

Manufacturing Process

Production routes are tailored to the specific material grade, outer diameter, wall thickness, and elbow geometry:

Raw Material → Cutting → Heating / Forming → Sizing → Heat Treatment → End Preparation → Surface Treatment → Dimensional Inspection → Material & Mechanical Testing → Marking → Final Inspection → Packing

Hot Forming: Employs controlled thermal heating of tubular blanks followed by shaping through mandrels or forming dies to maintain structural integrity.

Mandrel Push Bending: Utilizes hydraulic systems to push heated pipe sections over forming dies, expanding and bending material to achieve precise elbow geometries using specialized tooling molds.

Quality Control & Inspection

Dimensional accuracy and material verification are enforced throughout manufacturing to mitigate structural risks.

Dimensional Inspection

Verification of outer diameter, wall thickness, center-to-end tolerances, centerline radius, angle, end squareness, and ovality.

Material Verification

Traceability of heat numbers, chemical composition analysis, tensile strength, yield strength, elongation, hardness, and impact testing for low-temperature service lines.

Non-Destructive Examination (NDE)

Supplementary testing options include PMI, ultrasonic testing (UT), magnetic particle testing (MT), dye penetrant testing (PT), hydrostatic testing, and third-party inspection (TPI).

End Preparation & Beveling Details

Field welding compatibility depends on precise end preparation:

Standard Beveling

Prepared in accordance with ASME B16.25, defining root face dimensions and bevel angles for field welding.

Wall Thickness Transition

Internal or external counterboring or tapering is applied when connecting pipes of differing schedules to avoid flow turbulence and misalignment.

End Perpendicularity

Strict tolerances on squareness prevent angular distortion during on-site alignment.

Packaging, Storage & Shipping Protection

Transit protection ensures fittings arrive on-site free from environmental or mechanical degradation:

Surface Protection

Application of protective coatings, varnish, or rust inhibitors tailored to shipment duration.

End Protection

Heavy-duty plastic bevel caps fitted to both ends to prevent impact damage.

Packaging Configurations

Export-grade wooden crates, sturdy pallets, or steel-strapped bundles organized by size and weight restrictions.

Customization & Special Fabrication

Non-standard engineering specifications are addressed through adaptable manufacturing configurations:

Non-Standard Radii

Custom centerline configurations outside standard 1.5D or 1.0D ratios.

Special Wall Thicknesses

Heavy wall or intermediate schedules engineered for custom pressure parameters.

Special Coatings

Specialized internal or external lining applications to match stringent environmental protection needs.

FAQ

Q: What is a butt weld elbow?

A: A butt weld elbow is a pipe fitting featuring beveled ends intended for direct butt-welding into piping networks, altering fluid direction without threaded or mechanical joints.

Q: What is the difference between a long-radius and short-radius elbow?

A: A long-radius elbow features a centerline radius of 1.5D, while a short-radius elbow features a radius of 1.0D, selected based on spatial constraints and fluid dynamics.

Q: What are the common butt weld elbow angles?

A: Standard angles include 45°, 90°, and 180°, with custom angles fabricated for specialized project alignments.

Q: What materials are available?

A: Options span carbon steel, stainless steel, alloy steel, and low-temperature grades, governed by service conditions and piping codes.

Q: What standards govern butt weld elbows?

A: Dimensions comply with ASME B16.9, while material standards follow ASTM A234, ASTM A403, ASTM A420, ASTM A815, or equivalent codes.

Q: Are elbows available in seamless or welded construction?

A: Both configurations are offered based on diameter, pressure ratings, and project specifications, spanning 1/2" to 24" for seamless and up to 48" for welded.

Q: Can you supply ASTM A234 WPB elbows?

A: Yes, ASTM A234 WPB represents a standard carbon steel offering within the product scope.

Q: Can you supply stainless steel elbows?

A: Yes, stainless steel options include standard ASTM A403 grades such as WP304, WP304L, WP316, WP316L, WP321, and WP347.

Q: Can you supply low-temperature elbows?

A: Yes, ASTM A420 WPL6 is available for low-temperature deployment when impact testing requirements are specified.

Q: What information is required for an accurate quotation?

A: Provide fitting angle, radius, size, schedule, material grade, construction type, standard, quantity, and testing or documentation requirements.

Q: Can third-party inspection be accommodated?

A: Third-party inspection (TPI) can be organized according to purchase order requirements, with inspection scopes coordinated prior to production.

Q: What documentation is provided with shipments?

A: Material test certificates, inspection records, and traceability reports are supplied in accordance with the agreed procurement terms.

As one of the leading butt weld elbow manufacturers and suppliers in China, we warmly welcome you to wholesale customized butt weld elbow made in China here and get pricelist from our factory. For price consultation, contact us.

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