Seamless Pipe Bends | ASME B16.9 Butt-Weld Fittings | Carbon Steel, Stainless Steel, Alloy Steel, Duplex & Nickel Alloy
Elite manufactures and supplies Seamless Pipe Bends for industrial piping systems requiring reliable directional changes, consistent dimensions and dependable performance. Manufactured from seamless pipe or suitable tubular material, these bends are available in different diameters, wall thicknesses, bend radii and angles to meet project-specific requirements.
Our Seamless Pipe Bends are available in carbon steel, stainless steel, alloy steel, duplex, super duplex, copper-nickel, nickel alloys and other specified materials. Long-radius configurations can support smoother flow transitions, while custom bends can be supplied for specialized piping layouts. Elite also offers related products, including welded pipe bends, mitered bends and hot induction bends, according to project requirements.
Elite supplies pipe bends for oil and gas pipelines, refineries, petrochemical plants, power generation facilities, water treatment systems and other industrial applications. Materials, dimensions, manufacturing methods and inspection requirements can be specified according to applicable standards and approved project documentation.
| Standard & General Types | Material & Specialty Options |
|---|---|
| Butt-Weld Seamless Pipe Bends | Stainless Steel Seamless Pipe Bends |
| ASME B16.9 Seamless Pipe Bends | SS 304 / 304L Seamless Pipe Bends |
| 45° Seamless Pipe Bends | SS 316 / 316L Seamless Pipe Bends |
| 90° Seamless Pipe Bends | Carbon Steel Seamless Pipe Bends |
| 180° Return Bends | Alloy Steel Seamless Pipe Bends |
| Long-Radius Seamless Pipe Bends | Duplex Steel Seamless Pipe Bends |
| Short-Radius Pipe Bends | Super Duplex Seamless Pipe Bends |
| Seamless U-Bends | Copper-Nickel Seamless Pipe Bends |
| Seamless Mitered Pipe Bends | Monel Seamless Pipe Bends |
| Hot Induction Pipe Bends | Inconel Seamless Pipe Bends |
| Custom-Radius Pipe Bends | Hastelloy Seamless Pipe Bends |
| Project-Specified Pipe Bends | Titanium Seamless Pipe Bends |
| Specification | Details | |
|---|---|---|
| Product Type | Seamless Pipe Bends | |
| Applicable Standard | ASME B16.9, where applicable | |
| Other Standards | ASME B16.28 and MSS SP-43, where applicable | |
| Size Range | According to product design and project requirements | |
| Construction | Seamless | |
| Related Manufacturing Types | Welded / Fabricated, supplied as separate configurations | |
| Bend Radius | 1D, 2D, 3D, 5D, 6D, 8D, 10D or custom | |
| Bend Angles | 15°, 30°, 45°, 60°, 90°, 135°, 180° or custom | |
| End Connection | Butt-Weld | |
| Wall Thickness | According to specified schedule or project requirements | |
| Materials | Carbon Steel, Stainless Steel, Alloy Steel, Duplex and Specialty Alloys | |
| Inspection | According to applicable specifications and approved ITP | |
| Marking | Size, material grade, schedule and heat number, as applicable | |
| Documentation | MTC, COC and project-specific quality records | |
| Note: ASME B16.9 covers factory-made wrought butt-welding fittings, while ASME B16.28 addresses applicable short-radius elbows and returns. Confirm the applicable standard, size range, bend radius and manufacturing method for the specific product. | ||
| Custom Requirement | Details |
|---|---|
| Nominal Pipe Size | NPS / DN or project specified |
| Outside Diameter | Standard / Project specified |
| Wall Thickness | Schedule / Project specified |
| Material Grade | Required ASTM/ASME grade |
| Manufacturing Type | Seamless |
| Bend Radius | 1D / 2D / 3D / 5D / 6D / 10D / Custom |
| Bend Angle | 15° / 30° / 45° / 60° / 90° / 180° / Custom |
| End Connection | Butt-Weld |
| Applicable Standard | Specified product standard |
| Operating Conditions | Pressure and temperature specified |
| Heat Treatment | As required |
| NDE Requirements | Project specified |
| Inspection Requirements | ITP / Third-party requirements |
| Marking | Customer requirements |
| Documentation | MTC / COC / Quality reports |
| Test / Examination | Availability |
|---|---|
| Chemical Analysis | Material dependent |
| Tensile & Yield Testing | Material dependent |
| Impact Testing | Where required |
| Hardness Testing | As specified |
| Positive Material Identification (PMI) | As specified |
| Ultrasonic Testing (UT) | As specified |
| Magnetic Particle Testing (MT) | As specified |
| Liquid Penetrant Testing (PT) | As specified |
| Radiographic Testing (RT) | Where applicable |
| Dimensional Inspection | Available |
| Bend Radius Verification | As specified |
| Wall-Thickness Measurement | As specified |
| Ovality Inspection | As specified |
| Heat Treatment Verification | Where applicable |
| Hydrostatic Testing | Where required |
| Third-Party Inspection | Available |
| Document | Availability |
|---|---|
| Material Test Certificate (MTC) | Available |
| EN 10204 3.1 Certificate | Where specified |
| EN 10204 3.2 Certificate | Where specified |
| Certificate of Conformance (COC) | Available |
| Dimensional Inspection Report | Available |
| Chemical Analysis Report | Material dependent |
| Mechanical Test Report | Material dependent |
| Heat Treatment Records | Where applicable |
| PMI Report | As specified |
| NDE Reports | As specified |
| Quality Assurance Plan (QAP) | Project specific |
| Inspection & Test Plan (ITP) | Project specific |
| Certificate of Origin | Where required |
| Packing List | Available |
| Material Traceability Records | Maintained |
| Third-Party Inspection Records | Where specified |
| Approved Drawings | Where required |
Stainless Steel Seamless Pipe Bends
ASTM A403 WP304/304L, WP304H, WP316/316L, WP316H, WP317L, WP321, WP347 and other applicable stainless steel grades, according to the specified product and manufacturing requirements.
Duplex & Super Duplex Seamless Pipe Bends
ASTM A815 duplex and super duplex grades, including applicable UNS S31803, S32205, S32750 and S32760, subject to the specified material and product requirements.
Carbon Steel Seamless Pipe Bends
ASTM A234 WPB and applicable ASTM A860 WPHY grades, including WPHY 42, WPHY 46, WPHY 52, WPHY 60, WPHY 65 and WPHY 70, according to the product specification and application.
Low-Temperature Carbon Steel Seamless Pipe Bends
ASTM A420 WPL6 and other applicable grades, selected according to design temperature, toughness requirements and project specifications.
Alloy Steel Seamless Pipe Bends
ASTM A234 WP1, WP5, WP9, WP11, WP12, WP22 and WP91, where applicable to the specified material and manufacturing requirements.
Nickel Alloy Seamless Pipe Bends
Nickel 200/201, Monel 400/K500, Inconel 600/601/625/800/825, Hastelloy C276 and Alloy 20, according to the applicable material specifications and manufacturing requirements.
Copper-Nickel Seamless Pipe Bends
UNS C70600 (90/10 copper-nickel) and C71500 (70/30 copper-nickel), where suitable for the specified product design and manufacturing route.
Titanium & Specialty Alloy Pipe Bends
Titanium and other specialty alloys can be supplied according to customer specifications, operating conditions, corrosion requirements and project needs.
Material selection depends on operating pressure, temperature, process fluid, corrosion conditions, mechanical properties and applicable piping codes.
45° Seamless Pipe Bends
Designed for piping systems requiring a 45-degree directional change while maintaining a suitable flow path.
90° Seamless Pipe Bends
Used for 90-degree directional changes in process piping, pipeline installations and industrial equipment connections.
180° Return Bends
Designed for return-flow arrangements where permitted by the piping layout and applicable design requirements.
Long-Radius Seamless Pipe Bends
Provide a gradual directional transition and can help reduce flow disturbance compared with tighter-radius configurations.
Short-Radius Pipe Bends
Used in space-constrained piping arrangements where the applicable design and operating conditions permit a tighter bend radius.
Seamless U-Bends
Used in selected heat exchangers, tubing systems and other equipment where a continuous U-shaped flow path is required.
Seamless Mitered Pipe Bends
Available as a related fabricated bend configuration for specialized diameters and angles. Mitered bends are fabricated products and should not be classified as seamless bends.
Custom-Radius Pipe Bends
Supplied according to approved drawings, specified radii, angles, wall thicknesses and end preparations.
Elite’s manufacturing and quality requirements can include:
Seamless Pipe Bends are used in industrial piping systems and engineered installations, including:
For quotation, please provide:
Pipe Size + Outside Diameter + Wall Thickness + Material Grade + Bend Radius + Bend Angle + Applicable Standard + Quantity + Inspection Requirements
Example:
6″ NPS Seamless Pipe Bend, ASTM A234 WPB Carbon Steel, 90° Bend, 1.5D Radius, Butt-Weld Ends, Wall Thickness According to Specified Schedule, Applicable Dimensional Standard, EN 10204 3.1 Documentation.
