用于制造船舶I级承压管系、II级承压管系、锅炉及过热器用的碳钢和碳锰钢无缝钢管。

● 船级社规范 Classification of Ships

中国CCS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LR船级社规范LR Rules and Regulations for Classification of Ships

挪威DNV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GL船级社规范GL Rules for Classification and Construction

韩国KR船级社规范KR Rules for Classification of Ships

意大利RINA船级社规范RINA Rules for Classification of Ships

● 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