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ASTM
ASTM Definitions
ASTM
ASTM is the abbreviation for the American Society for Testing & Materials which is the
governing body that publishes specifications that cover the ordering of steel, types of
testing required and types of tubing produced among others. The ASTM website has
a complete listing of specifications that you can search for more information.
ASTM A135
ASTM A135 specification covers electric resistance welded steel pipe that is used to
convey gas, vapor or liquid.
ASTM A252
ASTM A252 specifications covers welded and seamless steel pipe piles.
ASTM A268
ASTM A268 is a specification covering stainless steel tubing used in high temperature
applications and where corrosion resistance is importance.
ASTM A500
ASTM A500 is a specification for cold formed welded and seamless carbon steel
structural tubing. Rounds and shapes such as square and rectangle are covered under
this specification.
ASTM A513
ASTM A513 specification covers electric resistance welded carbon and alloy tubing
for use as mechanical tubing. In general, A513 will provide tighter tolerances than
other ASTM specification such as A500 and A135.
ASTM A787
ASTM A787 specification covers round, square, rectangle and special shape electric
resistance welded tubing that is zinc-coated after welding (hot dipped galvanized) or
coated in coil form (galvanized, aluminized, galvannealed, etc).
ASTM A847
ASTM A847 specification covers cold-formed welded and seamless high-strength,
low-alloy round, square, rectangular, or special shaped structural tubing where high
strength and enhanced atmospheric corrosion resistance are required. Weathering
steel is the most commonly referred to name given to this type of steel.
ASTM A53
ASTM A53 specification covers seamless and welded black and hot-dipped
galvanized steel pipe in NPS (Nominal Pipe Sizes). Tubing produced to this
specification is typically used for mechanical and pressure applications.
