ASME/ANSI B16.9 Standard – Factory-Made Wrought Steel Butt-welding Fittings
The ASME/ANSI B16.9 standard covers overall dimensions, tolerances, ratings, testing, and markings for wrought factory-made butt-welding fittings in sizes NPS ½ through 48 (DN 15 through 1200).At Haihao Group, we take pride in delivering the highest quality pipe fittings that meet the stringent requirements of the ASME B16.9 standard,including elbows, tees, reducers, caps,crosses and stub ends.
ASME B16.9 A420 GR WPL6 seamless concentric reducers
What is ASME B16.9 standard?
The ASME B16.9 standard, established by the American Society of Mechanical Engineers, is a comprehensive set of guidelines for the design, manufacturing, and testing of butt-welded fittings used in piping systems. This standard covers a wide range of fittings, including elbows, tees, reducers, caps, and stub ends, and is applicable to both welded and seamless pipe fittings.
Meanwhile,we manufacture & supply different types of butt welding fittings according to ASME B16.9 standard as follows:
- Dimensions of ASME B16.9 Standard 45 degree and 90 degree Long Radius Elbows
- Dimensions of ASME B16.9 Standard 90 degree Long Radius Reducing Elbows
- Dimensions of ASME B16.9 Standard 90 degree Short Radius Elbows
- Dimensions of ASME B16.9 Standard 45 degree 90 degree 3D Elbows
- Dimensions of ASME B16.9 Standard 180 degree Long Radius Elbows
- Dimensions of ASME B16.9 Standard 180 degree Short Radius Elbows
- Dimensions of ASME B16.9 Standard Straight Tees and Crosses
- Dimensions of ASME B16.9 Standard Reducing Outlet Tees and Reducing Outlet Crosses
- Dimensions of ASME B16.9 Standard Lap Joint Stub Ends
- Dimensions of ASME B16.9 Standard Caps
- Dimensions of ASME B16.9 Standard Concentric Reducers and Eccentric Reducers
- Tolerance of ASME B16.9 Standard Butt Welding Fittings
Key Features of ASME B16.9 Fittings
Our ASME B16.9 fittings are manufactured with precision to meet the following critical specifications:
Material Selection: We offer a diverse range of materials, including carbon steel (ASTM A234 ), stainless steel (ASTM A403 304, 304L, 316,316L), alloy steel (ASTM A860), super duplex stainless steel (ASTM A815 UNS S32750)nickel alloys(ASTM B366/B366M), aluminum alloys(ASTM B361),and titanium alloys(ASTM B363), ensuring compatibility with various piping systems.
Dimensional Accuracy: Our fittings are manufactured to precise dimensions with tolerances for wall thickness, diameter, and angular deviation, ensuring seamless integration into your piping systems.
Manufacturing Process: We utilize advanced manufacturing techniques, including hot rolling, cold drawing, and welding, to produce high-quality seamless and welded fittings.
Testing: Each fitting undergoes rigorous testing, including hydrostatic testing, radiographic inspection, and material verification, to ensure compliance with ASME B16.9 standards.
Certifications: BS certificate,BV certificate,DNV certificate,EAC certificate,PED certificate,RINA certificate,RMRS certificate,NORSOK M650 certificate,API certificate,ISO 9001 certificate,ISO 14001 certificate,ISO 45001 certificate.
ASME B16.9 ASTM A420 GR. WPL6 90 degree elbows
Benefits of Choosing Haihao Group’s ASME B16.9 Fittings
At Haihao Group, we take a comprehensive and rigorous approach to ensuring the quality of our ASME B16.9-compliant products. Our commitment to excellence is reflected in every step of our manufacturing and quality control processes:
1. Material Selection and Certification
We carefully select materials that meet the stringent requirements of ASME B16.9, including carbon steel, stainless steel, alloy steel, and other specialized materials. Each material is verified for its chemical composition and mechanical properties through Material Test Reports (MTRs) to ensure compliance with standards such as ASTM A234, A403, and A815. This ensures that our fittings are durable, safe, and compatible with various piping systems.
2. Precision Manufacturing
Our manufacturing processes adhere to the guidelines set by ASME B16.9, utilizing advanced techniques such as hot forming, cold forming, and precision machining. Each fitting is manufactured to precise dimensions and tolerances, ensuring compatibility and optimal performance in piping systems. Additionally, we employ heat treatment processes to enhance the mechanical properties of our fittings.
3. Rigorous Testing and Inspection
We conduct extensive testing and inspection to verify the quality and reliability of our ASME B16.9 fittings. This includes:
- Dimensional Inspection: Ensuring each fitting meets the specified dimensions and tolerances.
- Non-Destructive Testing (NDT): Using methods like ultrasonic testing (UT), radiographic testing (RT), and magnetic particle testing (MPT) to detect any internal or surface defects.
- Destructive Testing: Conducting tensile and impact tests to verify the material’s strength and toughness.
- Hydrostatic Testing: Pressurizing fittings with water to ensure they can withstand operating pressures without leaks.
4. Marking and Traceability
Each fitting is permanently marked with essential information, including material grade, size, schedule, manufacturer’s name, and compliance with ASME B16.9. This ensures traceability and allows users to verify the fitting’s specifications and origin.
5. Continuous Quality Improvement
Our quality control processes are continuously monitored and improved to meet the evolving demands of the industry. We maintain certifications for our production processes and undergo third-party inspections to validate compliance. This ensures that our products meet the highest standards of safety, reliability, and performance.
By adhering to these stringent quality control measures, Haihao Group ensures that our ASME B16.9 fittings are reliable, durable, and ready for the most demanding applications.
Why Choose Haihao Group?
With over 40 years of experience, Haihao Group is a leading global supplier of high-quality pipe fittings. Our state-of-the-art production facilities and strict quality control processes ensure that every product we deliver meets the highest standards. We are committed to providing exceptional customer service and support, from initial consultation to after-sales support.
Contact Us Today!
For more information about our ASME B16.9 pipe fittings or to request a custom solution, please contact us at sales@haihaogroup.com. Join us in building reliable and efficient piping systems for a safer and more sustainable future.