| Item |
Classification |
(Unit : mm) |
| Flange width(B) |
 |
Flange 110 under |
+4.0, 1.0 |
| 110over 210under |
+4.0, 2.0 |
| 210over 325under |
+4.0 |
| 325over |
+4.0, 2.0 |
| Depth(H) |
Depth 180under |
+3.0, 2.0 |
| 180over 400under |
+4.0, 2.0 |
| 400over 700under |
+5.0, 3.0 |
| 700over |
+5.0 |
| Thickness |
t1 |
 |
7 excl |
+ 0.7 |
| 7over 10excl |
+ 1.0 |
| 10over 20excl |
+ 1.5 |
| 20over 40excl |
+ 2.0 |
| t2 |
6.5excl |
+1.5, 0.5 |
| 6.5over 10excl |
+2.0, 1.0 |
| 10 over 20excl |
+2.5, 1.5 |
| 20 over 30excl |
+2.5, 2.0 |
| 30 over 40excl |
+2.5 |
| Out-of-square(T+T') |
 |
Flange |
T+T' = 1.5 mm |
| Flange 110 over |
T+T' = 2%x(B)
(maximum 6.5mm) |
| Web off cente(S) |
 |
Flange 110under |
2.5 |
| 110over 325under |
3.5 |
| 325over |
5.0 |
| Camber and Sweep |
 |
Depth 180under |
0.30% x (L) |
| 180over 360under |
0.15% x (L) |
| 360over |
0.10% x (L) |
| Ends Our-of-square |
 |
Standard |
(B,H)x1.6%under (minimum 3.0mm) |
| Length |
|
Standard |
+100, -0 |
| Web flatness(W) |
 |
Norninal Depth 400excl |
2 |
| 400over 600excl |
2.5 |
| 600over |
3 |
| Radius( r ) |
 |
Radius 10 under |
+ 1.0 |
| 10 over 20 under |
+ 2.0 |
| 20 over |
+ 3.0 |
|
|