October 12, 2023
SURFACE TREATMENT:
1.CHROMIUM PASSIVATION
2.CHROMIUM-FREE PASSIVATION
3.ANTI-FINGERPRINT
4.CHROMIUM-FREE ANTI-FINGERPRINT
5.OILING
55%ALUMINUM-HOT-DIP GALVALUME STEEL SHEET IS A COLD-ROLLED STEEL SHEET THAT UNDERGOES CONTINUOUS HOT DIPPING DURING THE PRODUCTION PROCESS ,AND THE SURFACE OF THE STEEL SHEET IS COVERED WITH ALUMINUM-ZINC ALLOY .IT IS FORMED BY SOLIDIFYING 55% ALUMINUM,43.4% ZINC AND 1.6% SILICON AT A HIGH TEMPERAYURE OF 600C.IT IS COMPOSED OF ALUMINUM-IRON-SILICON-ZINC ,AN ALLOY-COATED STEEL PLATE THAT FORMS A DENSE QUA -TERNARY CRYSTAL.