Tolerance of API 5L Oil Pipeline

　　Our group is mainly produce and supply API 5L Oil Pipeline, alloy steel pipes and stainless steel pipes. The clients always ask the weight of the pipes. We can supply only the theory weight of the steel pipes. Because the different pipes the weight is different. We offer to clients by meter or ton. Because all the thickness of the steel pipes according to the standard there have tolerance, so each pipes actual weight is different. The clients pay more attention the quality. They requested the thickness must meet within the tolerance. We can control the thickness is no problem. So if you have special need on the thickness you can tell us in advance we will give you our best advice.