Austenitic
Duplex Steel
Nickel Alloy
Cobalt Alloy

PN20 - PN420 F316L Stainless Steel Welding Neck/Slip on/Blind Flange

    MTSCO is a leading manufacturer who is specialized in stainless steel seamless pipes , bright annealed tubes , seamless coiled tubing etc . In order to facilitate customers , we have pipe fittings and flanges too . MTSCO has the most advanced producing and testing equipment . We can totally satisfy your requirement .

  PN20 to PN420 indicates the nominal pressure range of the flanges in bar, covering pressure levels from 20 bar to 420 bar, which can meet the pressure requirements under different working conditions.F316L stainless steel is a kind of austenitic stainless steel with high molybdenum content, which is widely used in the manufacture of flanges because of its good corrosion resistance and welding performance.

1. Material Grade: F304 , F304L , F304H , F316 , F316L , F310S , F321 etc

2. Size: 1/2" to 48" Sch 5S to XXS

3. Standard: ASTM A182, ASME B16.5 etc .

4. Process Method: Forged 

Areas of application:

Due to the unique properties of PN20 to PN420 F316L stainless steel flanges, they are widely used in many industries:

Chemical & Petrochemical: for corrosion-resistant and high-temperature chemical transportation pipelines.

Marine & Ship: for piping systems on ships and offshore platforms due to their excellent resistance to salt water corrosion.

Food & Pharmaceutical: F316L stainless steel meets the hygiene standards of food grade requirements and is suitable for piping systems in the food processing and pharmaceutical industries.

Energy and environmental protection: it is widely used in piping systems in water treatment, thermal and nuclear power plants for its corrosion and high temperature resistance.

PN20 to PN420 F316L stainless steel weld neck flanges, butt weld flanges and blind flanges play an important role in a number of industries due to their excellent corrosion and high temperature resistance and excellent weldability. Whether in the chemical, marine or energy industries, these flanges are key components in ensuring reliable connections and safe operation of piping systems. As industrial technology continues to advance, the demand for these high-performance flanges will continue to grow.