SPECIFICATIONS: ASTM A519 WITH FOLLOWING REQUIREMENTS.
Straightness better than:
1 in 2000 MAX (1MM DEVIATION IN 2000MM)
≥ 9 according to ASTM E112
Residual Hoop stress
<80Mpa according to ASTM E1928-99
DIMENSION AND TOLERANCES (IN MM)
TIR (TOTAL INDICATOR RUN OUT)
Eddy Current Examination according to ASTM E309shall be applied on all tubes using External Longitudinal notch with depth of no more than 7.5% of wall thickness (maximum notch depth 0.80mm and minimum notch depth 0.30mm) , 0.30mm maximum width and 25mm maximum length, made from the same chemistry and size of tubing.
The tubes must have smooth surface
The request information shall be marked on each tube with paint, and
each bundle shall be identified with a securely attached metal tag.
The tubes inside and outside shall be coated with a rust inhibitor
Standard Export worthy packing, preferably in hexagonal bundle with plastic wrapped and steel strapped.