- English
- French
- German
- Portuguese
- Spanish
- Russian
- Japanese
- Korean
- Arabic
- Greek
- German
- Turkish
- Italian
- Danish
- Romanian
- Indonesian
- Czech
- Afrikaans
- Swedish
- Polish
- Basque
- Catalan
- Esperanto
- Hindi
- Lao
- Albanian
- Amharic
- Armenian
- Azerbaijani
- Belarusian
- Bengali
- Bosnian
- Bulgarian
- Cebuano
- Chichewa
- Corsican
- Croatian
- Dutch
- Estonian
- Filipino
- Finnish
- Frisian
- Galician
- Georgian
- Gujarati
- Haitian
- Hausa
- Hawaiian
- Hebrew
- Hmong
- Hungarian
- Icelandic
- Igbo
- Javanese
- Kannada
- Kazakh
- Khmer
- Kurdish
- Kyrgyz
- Latin
- Latvian
- Lithuanian
- Luxembou..
- Macedonian
- Malagasy
- Malay
- Malayalam
- Maltese
- Maori
- Marathi
- Mongolian
- Burmese
- Nepali
- Norwegian
- Pashto
- Persian
- Punjabi
- Serbian
- Sesotho
- Sinhala
- Slovak
- Slovenian
- Somali
- Samoan
- Scots Gaelic
- Shona
- Sindhi
- Sundanese
- Swahili
- Tajik
- Tamil
- Telugu
- Thai
- Ukrainian
- Urdu
- Uzbek
- Vietnamese
- Welsh
- Xhosa
- Yiddish
- Yoruba
- Zulu
ASME B16.5 Flanges
ASME B16.5 Flanges Manufacturer & Global Supplier
Trusted producer of high-performance ASME B16.5 Flanges for oil & gas, chemical, and power industries. We guarantee precision engineering, full compliance, and rapid global delivery.
Premium ASME B16.5 Flanges for Industrial Excellence
Engineered to withstand extreme pressures and temperatures, our ASME B16.5-certified flanges ensure leak-free connections in critical pipelines. Available in sizes from ½" to 24" and pressure classes 150 to 2500, they’re ideal for high-stress environments like offshore platforms and LNG terminals.
Material Specifications
| STANDARD | TYPE | SIZE | PRESSURE |
| ASME B16.5 | WN, SO, SW, BLD, THREADED, LP | 1/2" ~ 24" | CLASS 150 ~ 2500 |
| ASME B16.36 | WN, SO, THREADED | 1/2" ~ 24" | CLASS 300LB ~ 2500 |
| ASME B16.47 | WN BLD | 26" ~ 60" | CLASS 75 ~ 900 |
| ASME B16.48 | SPECTACLE BLANKS, SPADES, RING SPACERS | 1/2" ~ 24" | CLASS 150 ~ 2500 |
| AWWA C207 | STEEL RING, BLD, STEEL HUB | 4" ~ 96" | 86 ~ 275 PSI |
| API 6A | WN, BLD, THREADED, INTEGRAL, TEST | 2-1/16" ~ 20-3/4" | 13.8 MPa ~ 138.0 MPa |
| API 605 | WN | 26" ~ 60" | CLASS 150 ~ 900 |
| SANS 1123 | WN, PLATE, SCREWED, SO, LOOSE, BLANK, INTEGRAL | DN 10 ~ 3600 | 250 ~ 4000 kPa |
| AS 2129 | BLD, PLATE, BOSS, WN | DN 15 ~ 1800 | TABLE A ~ TABLE T |
| BS 3293 | SO, WN | 26" ~ 48" | CLASS 150 ~ 600 |
| BS 4504 | PLATE, LOOSE, BLANK, WN, SO, THREADED, WO PLATE, INTEGRAL | DN 10 ~ 4000 | PN 6 ~ 40 |
| EN 1092-1 | PLATE, LOOSE, BLIND, WN, SO, THREADED, WO PLATE, INTEGRAL | DN 10 ~ 3600 | PN 6 ~ 400 |
| JIS B2220 | SOP, SOH, SW, WN, LJ, TR, IT, BL | DN 10 ~ 1500 | 5 ~ 63 K |
| MSS SP-44 | BLD, WN | 12" ~ 60" | CLASS 150,19.6bar ~ CLASS 900, 153.1 bar |
Why Our ASME B16.5 Flanges Stand Out？
- Global Compliance: Meet ASME, API 6A, PED, and ISO 9001 standards.
- Material Versatility: Choose from ASME B16.5 Flanges, carbon steel, stainless steel, or exotic alloys for corrosion resistance.
- Fast Delivery: 15–30 days for standard orders; urgent batches prioritized.
- Custom Solutions: OEM/ODM support for non-standard sizes, coatings, or markings.
Built for Demanding Applications
- Oil & Gas: High-yield flanges for sour service and offshore drilling.
- Chemical Plants: PTFE-coated or lined options for acidic/alkaline fluids.
- Power Generation: Heat-treated flanges for steam systems up to 538°C (1000°F).
Why Partner With Us?
✅ GMP-Certified Production: Precision machining with 100% material traceability.
✅ Rigorous Testing: Hydrostatic, ultrasonic, and hardness tests per ASTM standards.
✅ Global Logistics: Crates with ISO markings and anti-corrosion coatings for safe transit.
✅ Scalable Inventory: 5,000+ units ready for immediate dispatch.
Quality Assurance Protocol
Every flange undergoes:
1. Material Verification: Spectrometer testing for grade compliance.
2. Dimensional Checks: Laser scanning to match ASME B16.5 tolerances.
3. Pressure Testing: 1.5x rated pressure for 10 minutes.
Quality Control
Factory Equipment
Shipping Packaging
FAQs
Q: Can you supply flanges for legacy systems with obsolete specs?
A: Yes! Share your drawings, and we’ll replicate exact dimensions while adhering to modern ASME B16.5 standards.
Q: What certifications accompany orders?
A: We provide Mill Test Reports (EN 10204 3.1), NACE compliance, and ASME stamps.
Q: Do you offer bundled pricing for bulk orders?
A: Absolutely – contact us for volume discounts on 500+ units.
Q: How do you prevent damage during shipping?
A: Flanges are palletized with edge protectors and moisture-resistant wrapping.
Contact Us
Need a Reliable ASME B16.5 Flanges Supplier?
Email info@sxqinsteel.com with your specs for a same-day quote.
Learn about our latest products and discounts through SMS or email