TDC No
Grade |
AU03
D |
AU02
|
TR 15
O |
| Dimensional |
Min |
Max |
Min |
Max |
Min |
Max |
| Thickness Range (mm) |
0.4 |
1.50 |
1.55 |
3.20 |
0.4 |
3.2 |
| Width Range |
1000 |
1540 |
1000 |
1540 |
1000 |
1540 |
Thickness Tolerance+/-(mm)
Width Tolerance Min (-ve) mm
Width Tolerance Max (+ve) mm* |
0.5% of Centre Line
Thickness
0
12 |
0.5% of Centre Line
Thickness
0
12 |
0.5% of Centre Line
Thickness
0
12 |
| Mode of forming |
Drawing |
Bending |
|
|
| Chemistry |
Min |
Max |
Min |
Max |
Min |
Max |
| %C |
0.02 |
0.07 |
0.02 |
0.07 |
0.035 |
0.1 |
| %Mn |
0.18 |
0.4 |
0.10 |
0.25 |
0.20 |
0.6 |
| %Si |
|
0.04 |
|
0.03 |
|
0.10 |
| %S |
|
0.02 |
|
0.015 |
|
0.04 |
| %P |
|
0.025 |
|
0.025 |
|
0.04 |
| N (ppm) |
|
60 |
|
60 |
|
|
| % AI |
0.02 |
|
0.021 |
0.60 |
|
|
| %B |
|
|
0.0020 |
|
|
|
| Mechanical Properties |
Min |
Max |
Min |
Max |
Min |
Max |
| YS (Mpa) |
140 |
220 |
140 |
220 |
- |
- |
| UTS (Mpa) |
280 |
|
280 |
|
- |
- |
| % EI |
35 |
|
35 |
|
|
|
| Hardness (HRB) |
|
50 |
|
50 |
55 |
65 |
| Bend |
OK |
|
OK |
|
OK |
|
| ECV (mm) |
9.1 |
|
9.1 |
|
|
|
| Surface Characteristics |
Min |
Max |
Min |
Max |
Min |
Max |
| Ra |
0.8 |
1.60 |
0.8 |
1.40 |
0.6 |
1.6 |
| R.P. Oil Type |
Yes |
|
Yes |
|
Yes |
|
| Shape |
Min |
Max |
Min |
Max |
Min |
Max |
| Waviness (mm) |
|
10 |
|
10 |
|
10 |
| Centre Buckle (mm) |
|
8 |
|
8 |
|
8 |
| Camber (mm) |
|
1 |
|
1 |
|
1 |
Note: Specifications listed above are subject to change without notice
* Closer tolerance on mutual agreement |
