G550 all-hard galvanized coil is produced into galvanized coil by cold rolling. The yield strength of cold rolling coil is improved by controlling the annealing temperature. G550 full-hard galvanizing coil means galvanizing coil with yield strength ≥550 mpa and tensile strength ≥570 mpa. The G550 full-hard galvanized coil is stronger than ordinary galvanized coil, but its corresponding elongation is lower, not suitable for deep stamping of corrugated. Therefore, G550 full-hard galvanized coil is suitable for the production of shallow corrugated plate, but also can save the cost of materials.

Generally used in the automotive industry and construction industry.

My company has its own cold pickling mill, has a number of galvanized production lines and color coating production lines. Therefore, the G550 all-hard galvanized coil quality has an absolute guarantee. Our company can produce zinc layer thickness of 40 -275g/㎡ G550 all-hard galvanized coil, and the production of G550 all-hard galvanized coil quality stability, good performance, the production of corrugated board life is longer.

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