... steel grade:G350,G450,G550,galvanized steel strip,G550 galvanized steel Galvanized steel strip High Tensile Galvanized Steel-G550/G450/G350Cold rolled carbon ... : 0.3-3.0mm Width: Less than 1250mm Steel Grade: G550,G450,G350Zinc Coating: Z 10 to Z 600 Internal Diameter ...