Dimensional Tolerance |
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
1) ASTMCross section
|
Tolerance |
Application |
||||||
1/64 |
in. / in. of depth, or of flange width if it is greater than the depth. |
|
Straightness
Tolerance |
Tolerance |
Application |
|||
Camber and sweep When certain section (b)
with a flange Length of 45 ft and under
Length over 45 ft
|
1/8 in. x (number of feet of total length (a) / 10) 1/8 in. x (number of feet of total length/10) but not over 3/8 in 3/8 in.+[1/8 in.X(number of feet of total length-45]/10)] |
|
|||
(a) Sections with a flange width less
than 6 in., tolerance for sweep = 1/8 in. x (number of feet
of total length 5) |
Length
W and HP Shapes |
Variations from Specified Length for Lengths Given, in. |
|||||
30 ft and under |
Over 30 ft |
|||||
Over |
Under |
Over |
Under |
|||
Beams 24 in. and under in nominal depth |
3/8 |
3/8 |
3/8 plus 1/16 for each additional 5 ft or fraction thereof |
3/8 |
||
Beams over 24 in. in nominal depth and all columns |
1/2 |
1/2 |
1/2 plus 1/16 for each additional 5 ft or fraction thereof |
1/2 |
||
For HP shapes or W shapes when used as bearing piles, the length tolerance is plus 5 in. and minus 0 in. This length tolerance also applies to steel sheel piles. |