Welding stainless pipe requires a different mental approach than working with carbon steel. That same chromium that allows stainless to hold up against corrosion is a detriment when heat is applied to it — and all welds are a predetermined dosage of it. Whether through the welding processes used, the […]

Every stainless seamless pipe order starts off with three questions: what grade, what schedule, what standard? This simple presentation walks you through the answers to each with a specification specifications way, specification size charts matched against ASME B³6.19M, and selection criteria field tested against project failures and successes. Whether you

Quick Specs Material Austenitic & Duplex Stainless Steel Manufacturing Seamless — formed from solid billet, no weld seam Governing Standard ASTM A³12/A312M-25 (latest revision May 2025) Size Range NPS 1/8″ to 30″ (DN 6 to 750) Common Grades TP304, TP304L, TP316, TP316L, TP321, Duplex 2205 Schedules 5S, 10S, 40S, 80S,

Quick Specs Common Grades 304/304L, 316/316L, 321, 347, Duple× 2205 Primary Standard ASTM A312/A312M Size Range NPS 1/8″ – 24″ Common Schedules 5S, 10S, 40S, 80S, 160, XXH Standard Lengths 20 ft (6.1 m) random or cut-to-length Ma× Service Temp (304) ~870°C / 1,600°F (intermittent) Manufacturing Hot-finished or cold-drawn, no

Pipe Types Covered 8 Most Common Residential PEX and Copper Best for Underground HDPE (DR11) Hot Water Capable PEX / Copper / CPVC / Steel Cold Water Only PVC / HDPE Longest Lifespan Copper 50–70 yr / Ductile Iron 100+ yr Key Standards ASTM F876 / B88 / D1785 /