Carbon steel flanges connect pipe to pipe, pipe to valve and pipe to equipment in almost every oil, gas, water and industrial line. As a carbon steel flange supplier based in Cangzhou, China, we forge and stock flanges certified to ASTM A105 / ASME SA105, in all six ASME B16.5 types, for projects in the UAE, Oman and Saudi Arabia. Send us your flange list and we usually quote within 24 hours.
Description
Every piece is heat-number stamped and ships with an EN 10204 3.1 material test certificate, so the material can be traced back to the heat it came from. Our factory holds API Q1 and ISO 9001 certificates, and inspection by SGS, BV or your own nominated third party is welcome before dispatch. Small quantities and mixed sizes are our daily work, so a short list is welcome.
Specifications
| Material | Carbon steel, certified to ASTM A105 / ASME SA105 |
| Dimensions | ASME B16.5 (NPS 1/2 – 24), ASME B16.47 Series A and B (NPS 26 – 48) |
| Pressure class | Class 150, 300, 600, 900, 1500, 2500 |
| Flange types | Weld neck, slip on, blind, socket weld, threaded, lap joint |
| Facing | Raised face (RF), flat face (FF), ring type joint (RTJ) |
| Documentation | EN 10204 3.1 MTC, heat number traceability |
Carbon Steel Flange Types We Supply
- Carbon steel weld neck flanges
- Carbon steel slip on flanges
- Carbon steel blind flanges
- Carbon steel socket weld flanges
- Carbon steel threaded flanges
- Carbon steel lap joint flanges
- ASTM A105 flanges
- Mild steel flanges
- Long weld neck flanges
- Stainless steel weld neck flanges
Buyer FAQ
What is a carbon steel flange?
A carbon steel flange is a forged steel ring bolted to another flange to join pipe to pipe, pipe to valve or pipe to equipment. Carbon steel is the standard material for general, oil, gas and water service, and it is normally specified and certified under ASTM A105 / ASME SA105.
Which carbon steel flange types can you supply?
All six ASME B16.5 types: weld neck, slip on, blind, socket weld, threaded and lap joint. We also supply long weld neck flanges for vessels and nozzles, and stainless steel flanges for corrosive lines.
What sizes and pressure classes are available?
NPS 1/2 to 24 to ASME B16.5, and NPS 26 to 48 to ASME B16.47 Series A and B, in pressure class 150, 300, 600, 900, 1500 and 2500, with raised face, flat face or ring type joint facing.
Does every item come with a 3.1 certificate?
Yes. Every shipment includes an EN 10204 3.1 material test certificate listing the heat number, and the same heat number is stamped on the part, so the document traces back to the piece you receive.
Can different items be shipped together in one order?
Yes. Flanges, butt-weld elbows and tees can be combined into one shipment with a single document set, which keeps a mixed order to one freight cost.
Do you ship to the UAE and Oman?
Yes. Our main export market is the Gulf: the UAE, Oman and Saudi Arabia. Export documents are prepared for destination customs, and third-party inspection can be arranged before dispatch.
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Need a price? Send your list to WhatsApp +86 15832712953 or email janie@mingyangpiping.com – we usually quote within 24 hours.