| ●船级社规范 Classification of Ships | 
| 中国船级社规范 | CCS Rules for Classification and Construction of Ships | 
| 法国BV船级社规范 | BV Rules for Classification of Ships | 
| 英国劳氏船级社规范 | LR Rules and Regulations for Classification of Ships | 
| 挪威船级社规范 | DNV Rules for Classification of Ships | 
| 美国ABS船级社规范 | ABS Rules for Classification of Ships | 
| 日本NK船级社规范 | NK Rules for Classification of Ships | 
| 德国船级社规范 | GL Rules for Classification and Construction | 
| ●标准 Standard |  | 
| GB/T5312-2009 | 
| ●用途 Uses | 
| 用于船用锅炉、过热器及耐压力系管道的制造 | 
| ●尺寸偏差 Deviation | 
| 外径和壁厚的允许偏差 |