Stainless Steel Pipe Fittings
Your Leading Stainless Steel Pipe Fittings Supplier
Xi'an Baohui Steel Co., Ltd. is located in the ancient capital of China, Xi'an. We are a leading manufacturer and supplier of specialty metal materials. Our focus is on providing high-performance stainless steel, titanium alloys, copper alloys, aluminum alloys, and nickel alloys for our customers. Each batch undergoes chemical analysis, mechanical testing, and non-destructive testing to ensure internal and external quality.
Why Choose Us?
Advanced Production Facilities
We operate with modern heating furnaces, cold-rolling and cold-drawing mills, hot-extrusion presses, annealing lines, and full pickling/passivation systems to ensure stable and accurate tube and alloy processing.
Strict Quality Control
All finished tubes and alloy products are tested using eddy-current, ultrasonic, and direct-reading spectrometry to guarantee consistent mechanical performance and full compliance with customer specifications.
Large Capacity and Fast Delivery
With an annual capacity of over 3 million tons and a well-organized stock system, we can quickly support customized orders and meet tight delivery schedules.
Strong Production Market
Our products are exported to over 100 countries, including major markets in the US, Germany, France, Japan, Korea, Brazil, Italy, Turkey, and Southeast Asia, earning long-term trust from global industrial buyers.
Types of Stainless Steel Pipe Fittings
ASTM A182 Stainless Steel Pipe Fittings
Our ASTM A182 Stainless Steel Pipe Fittings are high-performance forged components designed for use in high-pressure and high-temperature piping systems.
ASTM A815 Stainless Steel Pipe Fittings
ASTM A815 Fittings are high-performance wrought fittings designed for corrosive and high-temperature piping systems.
ASTM A403 Stainless Steel Pipe Fittings
ASTM A403 Stainless Steel Pipe Fittings are high-quality wrought austenitic stainless steel fittings designed for corrosive and high-temperature piping systems.
Parameters of Stainless Steel Pipe Fittings
|
Parameter |
Details |
|
Types |
Elbows (90°, 45°, 180°), Tees, Reducers, Caps, Stub Ends, Crosses |
|
Size Range |
1/2" – 48" (DN15 – DN1200) |
|
Wall Thickness |
SCH 5S, 10S, 40S, 80S, XS, XXS |
|
Standard |
ASTM A403, ASME SA403, MSS SP-43 |
|
Connection |
Butt-Weld, Socket-Weld |
|
Pressure Rating |
Class 150, 300, 600, 900, 1500, 2500 |
Corrosion resistance:
Stainless steel is highly resistant to corrosion, ensuring a longer lifespan for the pipeline.
Durability:
Stainless steel is a durable material that can withstand high temperatures and harsh environments, making it ideal for industrial applications.
Hygiene:
Stainless steel is easy to clean and maintain, making it ideal for use in the food and beverage industry.
Aesthetics:
Stainless steel has a sleek and modern appearance, making it a popular choice for architectural and decorative applications.

Mechanical Properties of Stainless Steel Pipe Fittings
|
Grade |
Tensile Strength (MPa) |
Yield Strength (MPa) |
Elongation (%) |
Hardness (HB) |
|
WP304/L |
≥ 485 |
≥ 170 |
≥ 40 |
≤ 192 |
|
WP316/L |
≥ 485 |
≥ 170 |
≥ 40 |
≤ 192 |
|
WP321/H |
≥ 515 |
≥ 205 |
≥ 40 |
≤ 192 |
|
WP347/H |
≥ 515 |
≥ 205 |
≥ 40 |
≤ 192 |
Application Industries of Stainless Steel Pipe Fittings
Plumbing Systems
This style of fitting makes for a smart selection for water supply and drainage in both residential and commercial buildings. They can also be found within sprinkler systems.
Food and Beverage Industry
The hygienic and easy-to-clean properties of stainless steel make it ideal for food processing, brewing, and dairy equipment. They are used to transport liquids like milk, juices, and sauces, ensuring product purity.
Chemical Processing
They can tolerate the harsh chemicals and extreme temperatures found in chemical plants. They are excellent in preventing contamination and ensuring pipeline integrity.
Oil and Gas Industry
They are vital in oil and gas pipelines due to their corrosion resistance in harsh environmental conditions and when exposed to corrosive fluids.
Automotive
Stainless steel fittings are utilized in exhaust systems, fuel lines, and other components due to their ability to withstand high temperatures and their corrosion-resistant properties.
Water Treatment
This style of fitting also ensures the integrity of clean water systems by resisting rust and maintaining durability.
Customization Options
|
Material Grade |
Multiple grades or fully customizable |
|
Fitting Type |
Elbow (45°/90°), Tee, Reducer, Coupling, Cap, Cross, Nipple, etc. |
|
Connection / End Type |
Butt-weld, Socket-weld, Threaded (BSP / NPT), Flanged, Plain or Beveled Ends |
|
Size / Dimensions |
Nominal Bore (NB / NPS / DN), custom sizes available |
|
Wall Thickness / Schedule |
Customizable wall thickness or schedule |
|
Pressure Rating |
Customizable pressure classes |
|
Custom Requirements |
Non-standard shapes, special thickness, special surface treatment, custom alloy |
Surface Treatment of Stainless Steel Pipe Fittings
① 2B Finish – Matte, Smooth, and Machine-Friendly
Production Process: Cold rolled, annealed, pickled, light skin pass with polished rolls.
Appearance: Uniform, smooth, matte-gray sheen.
Use Cases: Cabinets, tanks, HVAC systems, appliances.
Manufacturing Considerations:
• Formability: Excellent; smooth surface aids stamping, rolling, and bending.
• Weldability: Seam blends well post-weld.
• Post-Processing: Can be painted or coated if needed.
Ideal for multi-use manufacturing where both performance and cost control matter.
② BA (Bright Annealed) Finish – Reflective and Precision-Friendly
Production Process: Cold rolled, annealed in a controlled atmosphere (no pickling).
Appearance: Bright, reflective, smooth.
Use Cases: Food processing equipment, automotive trim, cleanroom enclosures.
Manufacturing Considerations:
• Formability: Excellent; smooth surface minimizes friction.
• Weldability: High, but weld discoloration may need cleaning.
• Corrosion Resistance: Slightly reduced due to smoother surface limiting passivation.
Ideal when formability and cleanliness are priorities, without full mirror cost.
Our Certificates





① Raw Material Inspection – All incoming materials are checked for quality and specification accuracy before production.
② In-Process Inspection – Critical production stages are monitored to maintain stable processes and consistent product quality.
③ Final Product Inspection – Finished products are tested to verify performance and ensure compliance with customer requirements.
④ Pre-Shipment Inspection – Dimensions, surface quality, packaging, and documents are checked prior to dispatch.
⑤ We welcome inspections from any accredited third-party agency upon request.
⑥ We provide cutting, machining, surface finishing, and heat-treatment services to support customized orders.
Packaging & Transportation
Packaging Details:The standard export packaging, plastic film, or craft paper is covered. Awooden case or wooden pallet is adopted to protect products from damage during delivery. In addition, clear labels are tagged on the outside of the packages for easy identification of the products and quality information.

Payment Terms
T.T with 30% downpayment, 70%before shipment.
Paypal or West Union also accept.







