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

	Welding neck flanges 150 lbs
	Welding neck flanges 300 lbs
	Welding neck flanges 600 lbs

Slip-on flanges

	Slip-on flanges 150 lbs
	Slip-on flanges 300 lbs

Blind flanges

	Blind flanges 150 lbs
	Blind flanges 300 lbs
	Blind flanges 600 lbs

Socket welding flanges

	Socket welding flanges 150 lbs
	Socket welding flanges 300 lbs

Lap joint flanges

Lap joint flanges 150 lbs

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.