Galvanized steel, plain carbon construction steel after galvanized processing can effectively prevent the steel corrosion rust so as to prolong the service life of steel, the galvanized electric galvanized and hot dip galvanized. Generally used in building facades, such as glass curtain wall, curtain wall, aluminum curtain wall marble columns and bearing material, or used in outdoor telecommunication tower, highway outdoor construction steel known as galvanized steel, the galvanized electric galvanized and hot dip galvanized.

| brand | Chemical composition% | |||||||
| C | Mn | P | S | ALta | TI | si | ||
H220PD+Z | ≤0.080 | ≤0.070 | ≤0.80 | ≤0.025 | ≥0.015 | ≤0.50 | ||
H260PD+Z | ≤0.15 | ≤0.070 | ≤0.10 | ≤0.025 | ≥0.010 | ≤0.50 | ||