X52 hot rolled steel strip for erw steel pipe

X52 hot rolled steel strip requirements for erw steel pipe
1. The allowable deviation of the width of the steel strip is 0- +20mm;
2. The inner diameter of the steel strip is 762mm, the allowable deviation is ±20mm, and the outer diameter is not more than 2150mm;
3. The radius of the steel belt is not more than 20mm per 10 meters;
4. The steel strip should be firmly wound into a roll, and the end faces should be as flush as possible. The height of the tower on one side of the coil should not exceed 50 mm;
5. The total length of the irregular head and tail of the steel strip shall not exceed 1000mm;
6. The weight of the steel strip is 20-28 tons. When the requirements of outer diameter and weight are met, the maximum value should be taken as much as possible.