Pipe Fittings

Buttweld fittings to ASME B16.9/MSS-SP 43, and forged fittings to ASME B16.11 in carbon, alloy, stainless, duplex, nickel-alloys (elbows, tees, reducers, Olets, stub ends, nipples).

Buttweld fittings

• BW fittings shape: 45/90/180 deg elbow (SR/LR, from 1.5D to 5D), equal/reducing tee, eccentric/concentric reducer, cap, cross, stub end (short/long pattern ASA/MSS, type A/B/C)
• BWF dimensions: ASME B16.9 and ASME B16.28 (carbon and alloy steel), ASME B16.9/ASME B16.28/MSS SP-43 (stainless steel, duplex, nickel alloys)
• EN dimensional specs for BWF: EN 10253 ½ (carbon and alloy steel), EN 10253 ¾ (stainless steel, duplex, nickel alloys)
• Execution: seamless up to 24″, welded above 24″
• Material grades: ASTM A234 (carbon and alloy fittings), ASTM A420 (low temperature carbon steel, LTCS), ASTM A403 (stainless steel 304/316/321). Read more about BWF materials

Forged fittings

• Forged fittings shapes: adapter, bushing, cap, coupling, cross, elbow, lateral, plug, reducer, tee, union, welding boss, reducer insert type ½
• Dimensional specs: ASME B16.11, MSS SP-79, MSS SP-83
• Material grades: ASTM A105 (high-temperature carbon steel), A350 LF1/LF2/LF3 (low temperature carbon steel), A182 F1/F5/F9/F11/F22/F91 (low alloy steel), A182 F304/304L/316/316L/321/321H/347 (stainless steel), A182 F51 (duplex), A182 F53/F55 (super duplex), and nickel alloy grades

Branch Fittings (O’lets)

• Olet’s shapes: Weldolet, Sockolet, Thredolet, Latrolet, Elbolet, Nipolet, Flexolet, Sweepolet
• Dimensional specs: MSS SP-97
• Material grades: ASTM A105 (carbon and alloy fittings), ASTM A350 (low temperature carbon steel, LTCS), ASTM A182 (stainless steel 304/316/321)

Downloads

Buttweld Fittings ASME B16.9

ASTM Materials for Piping Products