Stainless steel flanges according to ASTM/ASME

Tube, pipe, fittings and flanges

Alleima holds a large stock of ASTM/ASME flanges in various types of stainless steels. Our portfolio of stainless ASTM/ASME flanges covers the following materials:

Stainless steel flanges according to ASTM/ASME
  • Austenitic stainless steels: ASTM 304/304L and ASTM 316/316L
  • Duplex stainless steel: SAF™ 2205 / UNS S31803 / EN 1.4462
  • Super-duplex stainless steel: SAF™ 2507 / UNS S32750 / EN 1.4410

The Alleima portfolio also includes a wide range of flanges according to EN as well as an extensive range of fittings.

Types of ASME flanges

Welding neck flanges

Slip-on flanges

Blind flanges

Socket welding flanges

Lap joint flanges

Standard specification for ASTM/ASME flanges from stock

Flanges, forged, ASTM A182, F304/304L or F316/316L (dual marked and certified), ASME B16.5, annealed and fully machined, raised face, smooth finish (125-250 RMS / 3.2-6.3µM) to MSS-SP6, hardness to NACE MR0175 latest edition. IC checked to ASTM A262 E and PMI tested.

Our ASTM/ASME flanges are certified according to EN 10204/3.1.