A stainless steel reducing elbow is a type of butt weld pipe fitting used to change both the flow direction and pipe diameter in a piping system. It is widely used in industrial pipelines where space optimization and flow efficiency are required.
Senrui is a professional reducing elbow manufacturer and supplier, providing a full range of butt weld reducing elbows in compliance with ASME B16.9, ASTM A403, ANSI, EN and other international standards.
We support complete size ranges, multiple material grades, and custom production for global engineering projects, distributors, and industrial buyers.
A reducing elbow combines two functions in one fitting:
Compared with standard pipe elbows, reducing elbows help:
A concentric reducing elbow has aligned centerlines and is typically used in vertical piping systems.
An eccentric reducing elbow has offset centerlines and is used in horizontal pipelines to avoid air pockets and fluid accumulation.
| Parameter | Description |
|---|---|
| Product Name | Reducing Elbow / Pipe Reducing Elbow |
| Type | Concentric / Eccentric |
| Angle | 45 Degree / 90 Degree / 180 Degree |
| Standards | ASME B16.9, ASTM A403, ANSI, MSS SP-75, EN10253, DIN, JIS |
| Material Grades | SS304, SS304L, SS316, SS316L, Duplex Stainless Steel |
| Size Range | 1/2” – 48” (DN15 – DN1200) |
| Thickness | SCH10 / SCH20 / SCH40 / SCH80 / SCH160 / XXS |
| Connection | Butt Weld (BW) |
| Manufacturing | Seamless / Welded / Forged |
| Surface Finish | Pickled / Sand Blasted / Polished |
| Material | Features | Typical Use |
|---|---|---|
| SS304 / 304L | General corrosion resistance | Industrial pipelines |
| SS316 / 316L | Superior corrosion resistance | Chemical & marine |
| Duplex Stainless | High strength & corrosion resistance | Offshore & oil & gas |
We provide a full range of sizes and wall thickness:
Custom dimensions are available upon request.
| Industry | Application |
|---|---|
| Oil & Gas | Pipeline routing and size transition |
| Petrochemical | Flow control and direction change |
| Power Plant | Steam and high-pressure pipelines |
| Water Treatment | Fluid distribution systems |
| Marine | Corrosion-resistant piping systems |
| Standard | Grade | UNS | Equivalent |
|---|---|---|---|
| ASTM A403 | WP304 | S30400 | A312 TP304 |
| ASTM A403 | WP304L | S30403 | A312 TP304L |
| ASTM A403 | WP316 | S31600 | A312 TP316 |
| ASTM A403 | WP316L | S31603 | A312 TP316L |
We also supply:
What is a reducing elbow?
A pipe fitting used to change both direction and pipe diameter.
What is the difference between concentric and eccentric reducing elbow?
Concentric elbows align centers, eccentric elbows offset centers.
What materials are available?
SS304, SS316, duplex stainless steel.
What standards are used?
ASME B16.9, ASTM A403, EN10253 and more.
Can reducing elbows be customized?
Yes, we support custom sizes, materials and specifications.
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