| Tolerances on outer dimensions
includes Tolerances on concavity/Convexity.
Square ness : 90 + 2 deg
Straightness : 0.492" (12.50 mm)
maximum in 19' 8.22" (6.00 M.) length.
Specified mill length tolerances :
Upto & Including 22' : + 1/2", -1/4"
Above 22', upto & including 44' : + 3/4", - 1/4"
OR
Upto & including 6.70 M. : + 12.70mm /- 6.40mm.
Above 6.70 M., Upto & including 13.40 M.: + 19.00mm /- 6.40mm.
Kg. / mtr.
: ASTM is
silent about Kg. / Mtr. The Kg. / Mtr. & lb ./ ft.
The figures are taken from MARUICHI Catalouge. |