SPEC:
GB STANDARD: Q235 / Q355
JIS STANDARD: SS400 / SM490
ASTM STANDARD: A36 / A572 GR.50
GB STANDARD Nominal | Dimension (mm) | Unit | |||
h | b | d | t | ||
5 | 50 | 37 | 4.5 | 7.0 | 5.438 |
6.3 | 63 | 40 | 4.8 | 7.5 | 6.634 |
8 | 80 | 43 | 5.0 | 8.0 | 8.045 |
10 | 100 | 48 | 5.3 | 8.5 | 10.007 |
12.6 | 126 | 53 | 5.5 | 9.0 | 12.318 |
14a | 140 | 58 | 6.0 | 9.5 | 14.535 |
14b | 140 | 60 | 8.0 | 9.5 | 16.733 |
16a | 160 | 63 | 6.5 | 10.0 | 17.240 |
16 | 160 | 65 | 8.5 | 10.0 | 19.752 |
18a | 180 | 68 | 7.0 | 10.5 | 20.174 |
18 | 180 | 70 | 9.0 | 10.5 | 23.000 |
20a | 200 | 73 | 7.0 | 11.0 | 22.637 |
20 | 200 | 75 | 9.0 | 11.0 | 25.777 |
22a | 220 | 77 | 7.0 | 11.5 | 24.999 |
22 | 220 | 79 | 9.0 | 11.5 | 28.453 |
25a | 250 | 78 | 7.0 | 12.0 | 27.410 |
25b | 250 | 80 | 9.0 | 12.0 | 31.335 |
25c | 250 | 82 | 11.0 | 12.0 | 35.260 |
28a | 280 | 82 | 7.5 | 12.5 | 31.427 |
28b | 280 | 84 | 9.5 | 12.5 | 35.823 |
28c | 280 | 86 | 11.5 | 12.5 | 40.219 |
32a | 320 | 88 | 8.0 | 14.0 | 38.083 |
32b | 320 | 90 | 10.0 | 14.0 | 43.107 |
32c | 320 | 92 | 12.0 | 14.0 | 48.131 |
36a | 360 | 96 | 9.0 | 16.0 | 47.814 |
36b | 360 | 98 | 11.0 | 16.0 | 53.466 |
36c | 360 | 100 | 13.0 | 16.0 | 59.118 |
40a | 400 | 100 | 10.5 | 18.0 | 58.928 |
40b | 400 | 102 | 12.5 | 18.0 | 65.208 |
40c | 400 | 104 | 14.5 | 18.0 | 71.488 |
6.5 | 65 | 40 | 4.8 | 7.5 | 6.709 |
12 | 120 | 53 | 5.5 | 9.0 | 12.059 |
24a | 240 | 78 | 7.0 | 12.0 | 26.860 |
24b | 240 | 80 | 9.0 | 12.0 | 30.628 |
24c | 240 | 82 | 11.0 | 12.0 | 34.369 |
27a | 270 | 82 | 7.5 | 12.5 | 30.838 |
27b | 270 | 84 | 9.5 | 12.5 | 35.077 |
27c | 270 | 86 | 11.5 | 12.5 | 39.316 |
30a | 300 | 85 | 7.5 | 13.5 | 34.463 |
30b | 300 | 87 | 9.5 | 13.5 | 39.173 |
30c | 300 | 89 | 11.5 | 13.5 | 43.883 |
JIS STANDARD Section Dimension (mm) | Unit Weight | ||
H x B | t1 | t2 | |
75 X 40 | 5 | 7 | 6.92 |
100 X 50 | 5 | 7.5 | 9.36 |
125 X 65 | 6 | 8 | 13.4 |
150 X 75 | 6.5 | 10 | 18.6 |
150 X 75 | 9 | 12.5 | 24.0 |
180 X 75 | 7 | 10.5 | 21.4 |
200 X 80 | 7.5 | 11 | 24.6 |
200 X 90 | 8 | 13.5 | 30.3 |
250 X 90 | 9 | 13 | 34.6 |
250 X90 | 11 | 14.5 | 40.2 |
300 X 90 | 9 | 13 | 38.1 |
300 X 90 | 10 | 15.5 | 43.8 |
300 X 90 | 12 | 16 | 48.6 |
380 X 100 | 10.5 | 16 | 54.5 |
380 X 100 | 13 | 16.5 | 62.0 |
380 X 100 | 13 | 20 | 67.3 |