ASTM B 676

The specification covers UNS N08367 welded tube of limited diameter and thickness for general corrosion applications. The tube shall be manufactured from flat-rolled alloy by an automatic welding process with no additional filer metal. The tube shall be furnished with oxide removed. The material shall composed of carbon, manganese, silicon, phosphorus, sulfur, chromium, nickel, molybdenum, nitrogen, iron, and copper. The tube shall be subjected to the following tests: hydrostatic, pneumatic, eddy current, or ultrasonic test. The material shall also undergo tensile, flattening, flange, reverse-bend, and nondestructive test requirements. Reverse-bend test is not applicable for a specified wall size with respect to outside tube diameter. Nondestructive test includes pressure testing or electric testing. Test results shall show no evidence of cracking or flaws.