ZAM® is a high-performance alloy-coated steel made with Zinc (Zn), Aluminum (Al), and Magnesium (Mg). It offers exceptional corrosion resistance—up to 10x better than traditional galvanized steel—making it ideal for demanding environments across construction, automotive, and industrial sectors.
Dimensions & Tolerances
|
Property |
Coils |
Sheets |
|
Thickness Range |
0.005″ – 0.236″ |
0.015″ – 0.134″ |
|
Width Range |
23.6″ – 61.0″ |
24″ – 60″ |
| Length Range |
Continuous (coil) |
36″ – 144″ (custom lengths available) |
| Coil ID |
20″ or 24″ |
N/A |
| Coil Weight |
Up to 30,865 lbs |
N/A |
| Flatness Tolerance | Per ASTM A568/A924 | Per ASTM A568/A924 |
Coating Specifications
|
Coating Grade |
Weight (oz/ft², total both sides) |
Equivalent (g/m²) |
|
ZM30 |
0.30 |
90 |
|
ZM40 |
0.40 |
120 |
|
ZM60 |
0.60 |
180 |
|
ZM75 |
0.75 |
220 |
|
ZM90 |
0.90 |
275 |
|
ZM115 |
1.15 |
350 |
Coating weight verified by triple-spot test per ASTM A90/A90M.
Mechanical Properties (Typical)
|
Grade |
Yield Strength (ksi) | Tensile Strength (ksi) |
Elongation (%) |
|
CS Type B |
30 | 45 |
20 |
|
SS33 |
33 | 45 |
20 |
|
SS40 |
40 | 55 |
16 |
|
SS50 |
50 | 65 |
12 |
|
HSLAS-F80 |
80 | 82 |
12 |
Standards & Compliance
- ASTM A1046/A1046M (Zinc-Aluminum-Magnesium alloy-coated steel)
- RoHS Compliant
- Available in CS, DDS, EDDS, SS, HSLAS, BH, DP, TRIP, and MS grades
Applications
- Construction Framing, Automotive Components, HVAC, Solar Racking,
- Agricultural Equipment