For the internal parts specified in Vessel Standard such as lugs and support rings, corrosionallowance shall conform to the stipulations in it.
容器标准中规定的内件，如耳轴及支撑环的腐蚀余度应符合标准中的规定。
2
Notes: 1. Generally no corrosionallowance is added for high alloy and nonferrous internals.
注：1、对于高合金及非铁内件通常不加腐蚀余度。
3
No corrosionallowance is required for such parts not in contact with the inside fluid as the outside surface of shell, skirt, support lugs and so on, except for anchor bolts.