Knowledge

The process of coating Colour Coated Steel Coil

1 Influencing factor of film thickness In the production process of coating Colour Coated Steel Coil , the rolling direction of the backup roll, the coating roll, the draw roll, the roll diameter R, a

Control of coating thickness--Color Coated Galvanized Steel Coil

For Color Coated Galvanized Steel Coil , During the coating operation, the operator uses a coating thickness gauge to measure the wet film thickness of the coated steel surface coating. According to t

Coating method of Color Pre-Painted Steel Coil roller coating machine

There are two common methods of coating by roller coater for Color Pre-Painted Steel Coil : smooth coating and reverse coating. When the direction of rotation of the coating roll is the same as the di

Hot Dip Galvanized Coils--Control of Zinc Slag Amount

To reduce the zinc slag, it is necessary to reduce the content of iron in the zinc liquid, that is, to reduce the factors of iron dissolution: (1) Plating and heat preservation should avoid the peak a

Formation of zinc dust and zinc dross of hot-dip Galvanised Steel Coil

The formation of zinc ash and zinc slag, zinc ash, and zinc slag seriously affects the quality of the dipped zinc layer and causes the coating to be rough and produce zinc nodules. Moreover, the cost

Hot dip galvanised-steel-sheet-metal process description

(1) Degreasing Chemical degreasing or water-based metal degreasing cleaning agent can be used to remove oil until the workpiece is completely soaked with water. (2) Pickling: H2SO4 15%, thiourea 0.1%,

Hot Dipped Galvanized Steel Coil product introduction

1. Hot Dipped Galvanized Steel Coil is also called hot-dip galvanizing and hot-dip galvanizing: it is an effective method of metal anti-corrosion, mainly used in metal structural facilities in various

Types of Roll Coaters for color coated galvanized steel coi

The roller coaters for color coated galvanized steel coil generally have two-roller and three-roller types. The two-roller type means that in one coating head, in addition to the strip, there are only

Coating form of roll coater--PPGI Steel Sheet

Roller coater is the most used coating equipment in the coating production line for PPGI Steel Sheet , and now more than 90% of coating production lines worldwide use this equipment. In the production

Tensile strength and Yield strength for aluzinc steel coil

1. Tensile strength: When the aluzinc steel coil yields to a certain extent due to the rearrangement of the internal grains, its resistance to deformation increases again. Although the deformation dev

The sizes for GL steel coil and GI steel coil

pattern steel coil

Precautions for the use of pattern steel coil (1) If punching and trimming are required during use, the exposed section formed by it should be supplemented with anti-rust measures to prevent corrosion