STANDARD STOCK SEAMLESS LINEPIPE TO ASTM A106B
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STANDARD STOCK SEAMLESS LINEPIPE TO ASTM A106B
OUR STANDARD STOCK PIPE IS MANUFACTURED TO ASTM A106B
SPECIFICATION – ASTM A106 / API 5L
Black seamless (welded not permitted) fully killed Carbon steel pipe for high-temperature, high-pressure service in three grades of seamless pipe of
varying strength.
Although the physical and chemical properties for Grades A and B are comparable to those for A53 pipe, and the types of testing required for both
specifications are similar, the tests prescribed for A106 are more stringent and are applied to smaller lots of pipe. Therefore, A106 is preferred for
exacting services.
Grades A and B are obtainable in most sizes and schedule numbers, Grade B permits higher carbon and manganese contents than Grade A. The A106
Grade B supplied by BlueScope Pipeline Supplies has a maximum carbon content of 0.23%.
PIPE & PIPING COMPONENTS SPECIFICATION SUMMAR
NOTE * WHEN FITTINGS ARE MANUFACTURED USING WELDED CONSTRUCTION THE
GRADE SYMBOL WILL INCLUDE A ‘W’
** THERE IS NO ASTM SPECIFICATION THEREFORE THE STANDARD NOMINATED
IS MMS SP-25
Pipe Ends
Unless otherwise specified pipe ends are normally supplied as below:
a. Up to and including 48.3mm O.D size are supplied with plain ends cut square;
b. Above 48.3mm O.D sizes (except for Double Extra-Strong pipe) are supplied with plain ends bevelled;
c. All Double Extra-Strong pipe is supplied with plain ends cut square.
End Preparation
a. Bevelled ends for API steel linepipe are normally to API specification
ie: Angle 30º +5º -0º
b. Bevelled ends for steel pipe to ASTM specifications are normally to
ANSI B16.25 ie: Angle 30º +5º -0º
Dimensional Standards
The Dimensional standards for pipe to ASME B36.10 includes products covered by the following material specifications.
ASTM – A53, A106, A134, A135, A139, A333, A335, A369, A376, A381, A405, A409M, A426, A523, A524 and A530
API – 5L, 5LX and 5LS
