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SCOPE A312 Seamless & Welded Pipe Austenitic Steel High Temp and Corrosion A358 Fusion Welded Pipe Austenitic Steel High Temperature A409 Welded Large Diameter Austenitic Steel Pipe High Temperature
ASME CODE SA312 100% SA358 Qualified SA409 Qualified
CLASSES None Class 1, 3 & 4: 100 % x-ray Class 2 No x-ray Class 5 Spot x-ray None
SIZE RANGE No restrictions No restrictions 14" through 30" incl. Schedule 5s and 10s
CHEMICAL ANALYSIS Ladle Yes
Check Optional
Ladle Yes
Check Yes
Ladle Yes
Check None
WELDING Automatic, No filler metal Single or double butt Manual or Automatic, with filler metal. Double Butt ASME Sect. IX Manual or Automatic, with or without filler metal.
WELD BEAD
1/16" min weld bead. 1/8" max. weld bead Max. 1/16" weld bead
HEAT TREATMENT Required Optional Optional
TENSION TEST Yes Yes Yes
BEND TEST No No Yes
FLATTENING TEST Yes Yes No
HYDRO TEST Yes- 50 % of Yield Yes- 50 % of Yield 100 P.S.I. Air or other N.D.E.
TOLERANCES: O.D. ASTM A999 Table 1 +/- 1/2% of Circumference Up to 3/16" wall: circumference +/- .20 %. 3/16" wall and heavier: circumference +/- .40 %
OVALITY ASTM A999 Table 1 1 % difference in Minor-Major Axis 1.5 % difference in Minor-Major Axis
WALL Minus 12-1/2% Minus .010" Minus .018"
STRAIGHTNESS None 1/8" per 10' camber 3/16" per 10' camber


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Swepco Tube
Clifton, NJ 07015
1 Clifton Blvd.
PO Box 1899
P: 973-778-3000 F: 973-778-9289
Email: info@swepcotube.com

 

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