Zhejiang Daye Flange Co., Ltd. is one of the leading manufacturers and suppliers of stainless steel long radius 90 degree elbow in China. With abundant experience, we are committed to providing high quality flanges made in China with competitive price. We warmly welcome you to buy durable stainless steel long radius 90 degree elbow in stock here from our factory. Also, quotation is available.
The stainless‑steel long‑radius 90° elbow is the most versatile diversion fitting for global fluid piping systems. Manufactured from stainless steel, it delivers 90° pipeline deflection with a bending radius of 1.5 times the nominal diameter (R=1.5D). It acts as an essential basic component for directional routing and layout optimization of both industrial and civil piping.
Featuring standard 90° direction‑change adaptation, the stainless steel long radius 90 degree elbow reduces fluid‑flow losses, buffers and relieves piping stress, and is well‑suited for standardized prefabricated piping construction.
Parameters
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Standard: |
GB/T12459-2024, GB/T13401-2023, SH3408, ASME B16.9,ASME B16.11, EN 10253-2 |
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Size: |
Seamless:1/2"-24"(DN15-DN600) Welded:1/2"-48"(DN15-DN1200) |
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Thickness: |
SCH5S-XXS |
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Grade: |
Stainless steel: 304/304L, 316/316L, 321,316Ti, 347/347H, 310S Super stainless steel: 254SMO/F44,904L Duplex steel: F51/2205,F53/2507 Special alloy steel:Inconel(625,600, 718, 750,601), Hastelloy(276,C-22,C-4,C,X,B-2), Monel(400,500), Incoloy(800,825,020,028,925),etc |
Product Advantage
- Low fluid resistance
- High fatigue‑resistance reliability
- High cross‑industry compatibility
Applications
Petrochemical industry
Power & energy sector
Building and municipal engineering
Test
Mill certificate,100%PMI,Tensile Test,Hardness Test,Impact Test,IC Test,etc.it depends on the requirements.
Cerfitications
PED
PED
ISO 45001
ISO 9001
ISO 14001
Packaging
Outer Packaging:
Fumigated wooden crates/Fumigation-free plywood crates/Customized wooden crates
Inner Packaging:
Plastic flange protectors/Bubble wrap/Cardboard/Protective paper
Packaging can be customized to meet your specific requirements.
FAQ
Q: How to select between long‑radius (LR) and short‑radius (SR) 90° elbows?
A: Long‑radius elbows (R=1.5D) are preferred for general‑purpose service. They feature low flow resistance and long service life, and are the default selection for engineering design. Short‑radius elbows (R=1.0D) shall only be adopted for compact piping where installation space is extremely limited.
Q: How to choose between 304 and 316L stainless steel long radius 90 degree elbows?
A: 304 delivers optimal cost‑performance for ambient‑temperature fresh water, normal atmospheric conditions and mild acid‑alkali media. 316L stainless steel with superior corrosion resistance is recommended for chloride‑containing media (seawater, brine), strong‑acid environments, high‑temperature corrosion and high‑sanitation‑grade requirements.
Q: Can a stainless steel long radius 90 degree elbow replace a 45° elbow?
A: Not permitted. Different deflection angles force pipe misalignment and create stress concentration. This raises risks of leakage and fracture. Always select 45° elbows for small‑angle deflection, or custom‑angle elbows as required.
Q: What is the difference between seamless elbows and welded elbows?
A: Seamless elbows are integrally formed from seamless pipes with no longitudinal weld seam. They offer high pressure‑bearing capacity and are suitable for high‑pressure and hazardous‑media service. Welded (plate‑fabricated) elbows are rolled and welded from steel plates at lower cost, mainly applied for large‑diameter, medium‑low‑pressure conditions.
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