Product obtained by hot lamination, with transversal section in the shape of a right angle and equal edges. It is provided in 6 m or 12 m wide and 1 ton or 2 ton bundles.
These products are used in general mechanic construction, metal structures, highway signaling, agricultural machines and implements, and other applications.
Main characteristics of the product according to ASTM A6/01:
| Commercial Designation |
Length (mm) |
Width (mm) |
Nominal Linear Mass(kg/m) |
| Nominal |
Min. |
Max. |
Nominal |
Min. |
Max. |
| 2.1/2" x 3/16" |
63,50 |
61,91 |
65,09 |
4,76 |
4,46 |
5,06 |
4,57 |
| 2.1/2” X 1/4" |
6,35 |
5,97 |
6,73 |
6,10 |
| 3" x 3/16" |
76,20 |
73,82 |
79,38 |
4,76 |
- |
- |
5,52 |
| 3" x 1/4" |
6,35 |
- |
- |
7,29 |
| 3" x 5/16" |
7,94 |
- |
- |
9,08 |
| 3" x 3/8" |
9,53 |
- |
- |
10,71 |
| 4" x 1/4" |
101,60 |
99,22 |
104,78 |
6,35 |
- |
- |
9,82 |
| 4" x 5/16" |
7,94 |
- |
- |
12,20 |
| 4" x 3/8" |
9,53 |
- |
- |
14,58 |
| 4" x 1/2" |
12,70 |
- |
- |
19,05 | |
| Commercial Designation |
Length (mm) |
Width (mm) |
Nominal Linear Mass(kg/m) |
| Nominal |
Min. |
Max. |
Nominal |
Min. |
Max. |
| 50 x 6 |
50,00 |
49,00 |
51,00 |
6,00 |
5,80 |
6,20 |
4,45 |
| 65 x 5 |
65,00 |
63,00 |
67,00 |
5,00 |
4,70 |
5,30 |
4,98 |
| 65 x 6 |
6,00 |
5,60 |
6,40 |
5,91 |
| 75 x 5 |
75,00 |
73,00 |
78,00 |
5,00 |
- |
- |
5,80 |
| 75 x 6 |
6,00 |
- |
- |
6,89 |
| 75 x 7 |
7,00 |
- |
- |
7,96 |
| 100 x 7 |
100,00 |
98,00 |
103,00 |
7,00 |
- |
- |
10,77 |
| 100 x 8 |
8,00 |
- |
- |
12,23 |
| 100 x 10 |
10,00 |
- |
- |
15,08 |
| 100 x 12 |
12,00 |
- |
- |
17,88 | |
The mechanical properties of these products meet ABNT/NBR 7007/02, ASTM A36 and ASTM A572 standards, and their dimensional characteristics meet the ASTM A6 standard.
Main characteristics of products according to ABNT/NBR 7007/02:
| Grade of Steel |
| |
MR 250 (similar to ASTM A36 standard) |
AR 350 (similar to ASTM A572 Grade 50 standard) |
AR 415 (similar to ASTM A572 Grade 60 standard) |
| Minimum Yield Limit (MPa) |
250 |
350 |
415 |
| Minimum Resistance Limit (MPa) |
400 |
450 |
520 |
| Maximum Resistance Limit (MPa) |
560 |
- |
- |
| Minimum Elongation (L0 = 200mm) (%) |
20,0 (*) |
18,0 (*) |
16,0 (*) | |
(*) reductions to the minimum elongation values are permitted according to the width of the product, when a rectangular sample is used.