E-mail: authentic013@steelpipes-fitting.com
WhatsApp: +86 13668807131
E-mail: authentic013@steelpipes-fitting.com
WhatsApp: +86 13668807131
Sep. 30, 2025
Stainless steel elbows, common fittings in piping systems, are subject to a variety of standards for production and use. Commonly used stainless steel elbow standards primarily include the following:
1. Domestic Standards (China)
GB/T 12459-2017 "Steel Butt-Weld Seamless Pipe Fittings"
Specifies the dimensions, tolerances, and technical requirements for seamless butt-weld elbows made of stainless steel, alloy steel, and carbon steel.
GB/T 13401-2017 "Steel Butt-Weld Pipe Fittings"
Applies to welded elbows, tees, reducers, caps, etc.
GB/T 10752-2005 "Steel Elbows"
Specifies the technical parameters for elbows of different angles (such as 45°, 90°, and 180°).
GB/T 12459 and SH3408 and SH3409 (Petrochemical Standards)
Commonly used standards in the petrochemical industry impose stricter requirements on high-temperature and corrosion-resistant stainless steel elbows. 2. International Standards
ASME/ANSI B16.9 "Factory-Made Wrought Butt-Welding Fittings"
The most widely used international standard for butt-welding pipe fittings, covering elbows, tees, reducers, caps, and more.
ASME B16.11 "Forged Fittings, Socket-Welding and Threaded"
Mainly for small-diameter, stainless steel socket-welding and threaded elbows.
MSS SP-43
Specially for lightweight stainless steel butt-welding fittings (commonly used for low-pressure, thin-walled stainless steel pipe).
3. European Standards
EN 10253-4 "Butt-welding Pipe Fittings – Stainless Steels"
Applies to stainless steel butt-welding elbows, commonly used in EU countries.
DIN 2605
German standard that specifies the types and sizes of steel elbows. IV. Common Elbow Angle and Radius Standards
Angles: 45°, 90°, and 180° (common), with custom angles such as 30° and 60° available.
Bending Radius:
Short Radius (SR): Radius R = 1D (pipe diameter).
Long Radius (LR): Radius R = 1.5D (common).
Radiuses of 2.5D or larger may be used in special projects.
Cangzhou Aosendic Pipe Fittings Manufacturing Co., Ltd. is a large-scale manufacturer specializing in elbows, tees, reducers, elbows, and caps. We comply with ASTM, ANSI, JIS, DIN, and GB standards, covering virtually all steel types.
Please contact us for any purchasing needs or questions.
Mobile: 86-13668807131
Website: https://www.authenticfitting.com/
Address: Mengcun Hui Autonomous County, Cangzhou City, Hebei Province
Email: authentic013@steelpipes-fitting.com
Latest News
Industry News
Sep. 20, 2026
Why are dimensions and wall thickness so important when purchasing carbon steel pipe fittings?
In piping engineering, although carbon steel pipe fittings are small in size, they directly impact the connectivity, pressure-bearing capacity, and operational stability of the piping system. When purchasing, buyers should not focus solely on price; dimensional accuracy and wall thickness control are equally critical indicators.
Industry News
Sep. 16, 2026
In industrial pipeline projects such as oil and gas, chemical, power, shipbuilding, and construction, carbon steel pipe fittings, although merely connecting components within the pipeline system, directly impact the system's installation, sealing, and long-term operation.
Industry News
Sep. 14, 2026
Working Principle of Carbon Steel Flanges
Cast flanges feature rough external shapes but precise dimensions, require minimal machining, and offer low costs; however, they are prone to casting defects (such as porosity) and cracks (often due to inclusions), and their internal structure is suboptimal (resulting in poor grain flow characteristics after cutting).
Authentic is here to help you find the right pipe fittings and flanges for your specific needs.
FAQ
What certifications do your products have?
Our products comply with international standards such as ASTM, ANSI, JIS, DIN, and GB. We also hold various certifications to assure quality and reliability, including ISO 9001.
How can I get some samples?
If you need, we will offer you samples for free, but new customers are expected to pay express charge.
To which country have you supplied your products?
We have supplied to Thailand, China Taiwan, Vietnam, India, South Africa, Sudan, Peru, USA, Brazil, Trinidad and Tobago, Kuwait, Qatar, Sri Lanka, Pakistan, Romania, France, Spain, Germany, Belgium, Ukraine etc. (Figures here only include our customers in latest 5 years.)
Get Quote
Have questions or need a custom solution? Reach out to us!
Our team at Authentic is here to help you find the right pipe fittings and flanges for your specific needs.
You Can Contact Us in the Following Ways
authentic013@steelpipes-fitting.com
+86 13668807131
Donghe Industrial Zone, Mengcun County, Cangzhou City, Hebei Province
Get Quote
At Authentic, we understand that every project has unique requirements. Our dedicated team is here to provide you with a customized quote tailored to your specific needs. By filling out the form below, you’ll receive competitive pricing, high-quality product details, and estimated delivery times.
中文
Русский
Español
عربي
