Galvalume steel roll:
1)Commodity: Galvalume steel roll
2)Standard: JIS G3302 SGCC, commercial quality of the Steel base.
3)Thickness range of the galvalume steel roll: 0.18mm to 1.5mm
4)Tolerance of thickness of the galvalume steel roll: +/-0.03mm
5)Width range: 700mm to 1250mm
6)Tolerance of width: +/-3.00mm (aiming to +/-2.00mm)
7)Coil weight of galvalume steel roll: According to Clients' requests.
8)Coil ID: 508 mm
9)Packing of galvalume steel roll: Seaworthy, in container
10)Note: Special width can be requested, the small order can be negotiated.
Chemical Requirements
Chemical Requirements For Structure Steel
|
Composition , % - Heat Analysis Element , Maximum , Unless Otherwise Shown |
Designation |
C |
Mn |
P |
S |
Cu |
Ni |
Cr |
Mo |
V |
Cb |
Tia |
Nb |
G230 |
0.20 |
1.35 |
0.04 |
0.04 |
0.25 |
0.20 |
0.15 |
0.06 |
0.008 |
0.008 |
0.025 |
* |
G255 |
0.20 |
1.35 |
0.10 |
0.04 |
0.25 |
0.20 |
0.15 |
0.06 |
0.008 |
0.008 |
0.025 |
* |
G275 |
0.25 |
1.35 |
0.10 |
0.04 |
0.25 |
0.20 |
0.15 |
0.06 |
0.008 |
0.008 |
0.025 |
* |
G340 |
0.25 |
1.35 |
0.20 |
0.04 |
0.25 |
0.20 |
0.15 |
0.06 |
0.008 |
0.008 |
0.025 |
* |
G550 |
0.20 |
1.35 |
0.04 |
0.04 |
0.25 |
0.20 |
0.15 |
0.06 |
0.008 |
0.015 |
0.025 |
* |