Page 30 - MDI Steel Reference Guide
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Pipe-Carbon Steel
Intended for mechanical and pressure applications. This pipe most commonly used for steam, water, gas, and air lines. Pressure tested.
Furnace Continuous Butt Welded
Not intended for close coiling, bending, or high temperatureservice. ConformstoASTMA53Type F Grade A.
Electric Resistance Welded (ERW)
Suitable for welding, coiling, bending, and flaring. Conforms to ASTM A53 Type E Grade B.
Pipe Size (ERW) Tubing
Tubing sized the same as pipe, intended for structural use only. This tube has a better finish and higher strength than pipe. Often used for railings. Conforms to ASTM A500 Grade B.
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