High-Performance ASTM A403 Stainless Steel Elbows
Wenzhou Zhiyuan Flange Pipe Fitting Company is a leading manufacturer of ASME B16.9 compliant stainless steel elbows, specializing in long radius elbows that meet the stringent requirements of ASTM A403 standards. Our products are engineered for excellence in the most demanding industrial applications.
Product Highlights
✔ Full Compliance with ASME B16.9 dimensional standards
✔ ASTM A403 Certification for material quality assurance
✔ Long Radius Design 1.5D for optimal flow characteristics
✔ Material Options: 304/304L, 316/316L, Duplex Stainless Steel
✔ Manufacturing Processes: Seamless & Welded construction
✔ Size Range: 1/2″ to 48″ (DN15 to DN1200)
✔ Pressure Ratings: SCH10S to SCH160
Technical Specifications
Parameter Specification
Standard ASME B16.9, ASTM A403
Material Grades 304, 304L, 316, 316L, Duplex (S31803)
Types Long Radius (1.5D & 3D)
Manufacturing Seamless & Welded
Size Range 1/2″ – 48″ (DN15 – DN1200)
Wall Thickness SCH10S, SCH40, SCH80, SCH160
End Preparation Beveled ends (37.5°±2.5°)
Testing Hydrostatic, PMI, Ultrasonic
Why Choose Our ASME B16.9 Elbows?
✅ specialized manufacturing experience
✅ Complete Documentation: MTC, PMI, NDE reports
✅ Global Certifications: PED, API, ISO 9001:2015
✅ Custom Solutions: Special sizes, materials, and finishes available
✅ Competitive Pricing: Factory-direct rates with MOQ flexibility
✅ Fast Delivery: Standard products ship in 7-15 working days
Our ASTM A403 elbows are widely used in:
Oil & Gas: Pipeline systems, refineries
Chemical Processing: Corrosive fluid handling
Power Generation: High-pressure steam lines
Water Treatment: Desalination plants
Pharmaceutical: Sanitary piping systems
Quality Assurance Process
Material Verification: PMI testing to confirm alloy composition
Dimensional Inspection: 100% checked to ASME B16.9 standards
Pressure Testing: Hydrostatic testing per ASTM standards
Surface Inspection: Visual and liquid penetrant examination
Documentation: Complete MTC with heat number traceability
FAQ Section
Q: What’s the 1.5D meaning in long radius elbows?
A: The number refers to the center-to-face dimension relative to pipe diameter. 1.5D is standard.
Q: Do you provide NACE MR0175 compliant elbows?
A: Yes, we can supply NACE-compliant products for sour service applications.
Q: What’s your minimum order quantity?
A: MOQ starts at 50 pieces for standard sizes, with lower quantities negotiable.
Request a Quote
📞 WhatsApp:+86 138387065559
📧 Email: [email protected]
🌐 Website: www.buyflange.com
