Foreword

This code is developed by China Petroleum and Chemical Corporation and Sinopec Luoyang Petrochemical Engineering Corporation in cooperation with other involved organizations in accordance with the requirements of Document JIAN BIAO〔2006〕No.136 issued by original Ministry of Construction（MOC）of the People s Republic of China-the Plan for Developing and Revising National Engineering Construction Standards（2nd Group）in 2006.

In preparing this code，the development team made extensive investigations and summarized the practices on the low temperature steel storage tanks in petrochemical engineering，made references to international standards and advanced foreign standards，solicited the comments from all involved parties，and then finalized this code.

This code comprises 10 chapters and 5 appendixes，and mainly covers General Provisions，Terms，Basic Requirements，Materials，Design of Metallic Components，Design of Concrete Structures，Insulation，Fabrication，Inspection and Acceptance of Metallic Components，Concrete Construction and Workmanship，and Tests.

Ministry of Housing and Urban-Rural Development of the People s Republic of China is in charge of administration of this code，China Petroleum and Chemical Corporation is responsible for its routine management.Sinopec Luoyang Petrochemical Engineering Corporation is tasked for explanation of specific technical contents.During implementation of this code，any comments and recommendations can be posted or passed on to Sinopec Luoyang Petrochemical Engineering Corporation（Address：No.27 Zhongzhou Xilu，Luoyang City，Henan Province，P.R，China，postcode：471003）to provide good a reference for future revision.

Chief development organization，co-development organization，participating development organization，chief drafter and chief reviewers of the code：

Chief Development Organization:

　　　　　　China Petroleum and Chemical Corporation

　　　　　　Sinopec Luoyang Petrochemical Engineering Corporation

Co-Development Organization:

　　　　　　Sinopec Nanjing Engineering and Construction Incorporation

　　　　　　Sinopec Engineering Incorporation

Participating Development Organization:

　　　　　　Sinopec Fourth Construction Co.，Ltd

Chief Drafter:

　　　　　　Xu Maokun　Chen Chonggang　Li Hongbin　Wei Xiaohui　Wang Songsheng

　　　　　　Zheng Xianglong　Cui Ruimin　Lai Jindong　Leng Hui　Li Fahai　Sun Hengzhi

　　　　　　Li Lisong　Miao Ping　Ju Jing　Zhang Xiangdong

Chief Reviewer:

　　　　　　Wu Tongzhu　Huang Zuojian　Duan Rui　Zhou Jiaxiang　Yang Yifan

　　　　　　Ge Chunyu　Qiu Zhenghua　Zhao Yuchuan　Li Jianliu　Chen Kuixian

　　　　　　Wu Yunlong　Wu Xiaobin　Yang Shengqi　Shen Bingyu　Cui Jindong

　　　　　　Han Yumei　Li Linjiang　Gou Shiwen　Yang Dongda　Liu Bo　Shi Huijuan

　　　　　　Wang Zhaowei　Luo Ping　Ling Yimin　Wong Dalong　Wang Ningyang

　　　　　　Wang Shuiping　Chen Jingping　Yin Shi an　Yang Xinhe