SS Steel Group

What is the Difference Between A53 Pipe vs A106 Pipe?


We compare the differences between A53 PIPE and A106 PIPE in the following aspects: scope, mehanical properties, chemical composition differences etc.

A53 Pipe vs A106 Pipe – (1)Scope

ASTM A53 is Standard Specification for Seamless Carbon Steel Pipe for High-Temperature Service

ASTM A106 is Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless1

A53 Pipe vs A106 Pipe – (2)Applied Type of Pipe

A 53 can be welded seam or seamless depending on how it is specificed for purchase. It is a general steel pipe spec and covers galvanized pipe as well as black pipe.

A106 is a similar pipe in chemical composition but is intened for high temperature service (up to 750 Degs F). It is a seamless pipe.

At least in the US, there is usually A53 for welded pipe while A106 is seamless. If you ask for A53 in the US they will quote A106 as an alternate.

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