| 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 |
