Premium Steel Pipe Bends for Pipeline Transitions
Pipe bends are essential pipe fittings used to change the direction of a pipe run. Their primary advantage is the ability to match long-distance transition requirements, making them highly customizable according to client designs. They are widely used across petroleum, chemical, power, gas, and construction industries.
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Size Range: Seamless (1/2″ – 24″) | ERW / Welded (1/2″ – 48″).
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Wall Thickness: 3mm ~ 40mm (SCH5 to XXS).
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Common Series: 3D, 5D, 7D, and 12D.
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Bending Radius: R=1D ~ 10D, R=15D, R=20D.
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Angles: 0° ~ 180°.
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Materials: Carbon Steel, Stainless Steel, and Alloy Steel.
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Standards: ASME, MSS, DIN, JIS, GB.
Description
1. Product Overview
A Pipe Bend is used to change the direction of a run of pipe. Its distinct advantage is that it can seamlessly match long-distance transition requirements, making it highly common for bend dimensions to be customized according to specific customer designs. Usually, these bends consist of the 3D, 5D, 7D, and 12D series.
We provide a comprehensive range of steel pipe bends manufactured to precise tolerances, ensuring optimal fluid flow and structural integrity in demanding industrial environments.
2. Specifications of Steel Pipe Bends
| Feature | Details |
|---|---|
| Outer Diameter | Seamless Pipe Bends: 1/2″ ~ 24″ ERW / Welded Pipe Bends: 1/2″ ~ 48″ |
| Wall Thickness | 3mm ~ 40mm / SCH5, SCH10, SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| Bending Radius | R=1D ~ 10D, R=15D, R=20D |
| Product Angle | 0° ~ 180° |
| Production Materials | Carbon Steel: SY/T5257-2004, DL/T515-2004, ASTM A234 WPB, WPC, ASTM A105 WPB, WPC, ASTM A420 WPL6, WPL3, DIN 17175-79, DIN 2448-81, ST45.8, ST35.8, DIN 1629, PB… Stainless Steel: ASTM A403 WP304, 304L, 316, 316L, 321, 1Cr18Ni9Ti, 00Cr19Ni10, 00Cr17Ni14Mo2, etc. Alloy Steel: ASTM A234 WP12, WP11, WP22, WP5, WP9, WP91, 16MnR, Cr5Mo, 12Cr1MoV, 10CrMo910, 15CrMo, 12Cr2Mo1, etc. |
| Coating | Black paint, varnish, rust-proof oil, hot-dip galvanizing, cold galvanizing, 3PE coating, epoxy coating, etc. |
| Usage | Petroleum, chemical, power, gas, metallurgy, shipbuilding, construction, etc. |
3. Standard of Steel Pipe Bends
| Category | Standard Code | Designation |
|---|---|---|
| ASME | ASME B16.9 | Factory-Made Wrought Buttwelding Fittings |
| ASME B16.28 | Wrought Steel Buttwelding Short Radius Elbows and Returns | |
| MSS | MSS SP-43 | Wrought Steel Buttwelding Short Radius Elbows and Returns |
| MSS SP-75 | Specification for High Test Wrought Butt Welding Fittings | |
| DIN | DIN 2605 | Steel Butt-Welding Pipe Fittings |
| DIN 2615 | Steel Butt-Welding Pipe Fittings (Elbows and Bends) | |
| JIS | JIS B2311 | Steel Butt-Welding Pipe Fittings for Ordinary Use |
| JIS B2312 | Steel Butt-Welding Pipe Fittings | |
| GB | GB/T 12459 | Steel Butt-Welding Pipe Fittings |
| GB/T 13401 | Steel Plate Butt-Welding Pipe Fittings |
4. Manufacturing Process & Dimensions
Our pipe bends are manufactured using precision hot induction bending processes to ensure smooth curvature without compromising the pipe wall thickness or structural strength.

