AISI 904L Weld Neck Flanges
AISI 904L Weld Neck Flanges are ring type flange with extended neck to receive the pipe end for welding, with high pressure retaining capacity. AISI 904L welding neck flanges are manufactured with flat face, raised face and ring joint connection for sealing.
Anand Steels is a manufacturer; stockist and supplier of AISI 904L weld neck flanges from ½” to 60” in nominal pipe size. AISI 904L weld neck flanges are manufactured by means of hot forging and machining. These hot forged 904L weld neck flanges conforms to ASTM A182 F904L material specification and their dimensions conforms to ANSI/ASME B16.5, B16.36, B16.47 Series A, Series B, BS 1560, EN 1092-1, API 6A, 6B, 6BX, ISO, GOST and various DIN standards. Stainless steel 904l weld neck pipe flanges are duly marked for traceability. We offer worldwide shipping by Sea or Air freight options.
For more information on AISI 904L Weld Neck Flanges, see below details.
- Sizes: 3/8” to 72” NPS
- Wall Thickness: Schedule 5/10/20/40/60/80/100/120/160/5S/10S/40S/80S
- Pressure Ratings: Class 75/150/300/400/600/900/1500/2500 and many others
- Facings: Flat Face, Raised Face & Ring Joint Type.
- Construction: Hot Forged
- Dimensions & Tolerances;: ASME / ANSI , BS, EN, ISO, GOST and DIN Standards
- Material Specifications: ASTM / ASME A182 F904L / UNS N08904, Uranus® B6, X1-Ni-Cr-Mo-Cu-25-20-5, DIN/EN/Werkstoff Number 1.4539
- Origin: India, China, Taiwan, Korea, Japan, Sweden, Italy, France, Germany, UK & USA
Chemical Requirements for AISI 904L Weld Neck Flanges
| Elements | Composition, % |
|---|---|
| Carbon (C) | 0.02 Max |
| Manganese (Mn) | 2.00 Max |
| Phosphorus (P) | 0.04 Max |
| Sulfur (S) | 0.03 Max |
| Silicon (Si) | 1.00 Max |
| Chromium (Cr) | 19.00 – 23.00 Max |
| Nickel (Ni) | 23.00 – 28.00 Max |
| Molybdenum | 4.00 – 5.00 Max |
| Copper (Cu) | 1.00 – 2.00 Max |
| Nitrogen (N) | 0.10 Max |
Mechanical Requirements for AISI 904L Weld Neck Flanges
| Elements | Composition | |
|---|---|---|
| Tensile Strength, min ksi [MPa] | 71 [490] | |
| Yield Strength, min ksi [MPa] | 31 [215] | |
| Elongation in 2 inch or 50mm (or 4D), min % | Longitudinal | 35 |
| Transverse | 25 | |
Applications for AISI 904L Weld Neck Flanges
- Process equipment in chemical industry
- Petrochemical industry
- Bleaching equipment in the pulp and paper industry
- Flue gas cleaning
- Desalination
- Seawater handling
- Hydrometallurgy
- Food and beverage
- Pharmaceuticals
- Heat exchangers