1, Usually length
The normal length of the steel pipe should be 3000MM-12000MM.
2, Cut length
Length of steel pipe should be within the length of the normal length of straight seam high-frequency electrical resistance welded steel pipe length of the length of the allowable deviation of +200 MM; spiral submerged arc welded pipe length of the length of the permissible deviation +500 MM.
3, Double length
The total length of double-length steel pipe should be within the normal length, straight seam high-frequency electrical resistance welded steel pipe the total length of the permissible deviation of +200 MM; spiral submerged arc welded steel pipe the total length of the permissible deviation of +500 MM, Leaving 5MM-15MM of the incision margin.
4, According to the demand side, the supply and demand sides in consultation, and specify in the contract, can supply the length of the length of the length of the length and length of the length of the steel pipe.
