Tubing and pipe conditions

Most seamless tubing and pipe

• Hot-finished and annealed
• Cold-drawn
• Cold-drawn and annealed (round usually in this condition)

Most welded tubing and pipe

• As-welded
• As-welded and annealed
• Less common: Cold reduced and cold reduced + annealed are less common

Possible additional heat treatments

• Hardened (quenched) and tempered – martensitic alloys
• Aging (precipitation hardening) – PH alloys