Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ
The authoritative public forum
for Metal Finishing since 1989
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Why is black iron pipe 21 feet long and galvanized pipe 20?
Why is black iron pipe in 21 foot lengths when galvanized comes in 20 foot lengths.
Dwayne Youngbloodservice tech - Killen Al, USA
January 30, 2010
Actually Galvanized Sch 40 pipe (the most common) galvanized water pipe is also 21 foot long. I would like to know why any of it is 21' instead of 20'
Don Hochstatter- Moses Lake, Washington, USA
November 25, 2011
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