Standard No.:	GB/T 42858-2023
English Name:	Corrosion-resistant alloy coiled tubing
Chinese Name:	耐蚀合金连续油管
Chinese Classification:	E92    Petroleum drilling & production equipment and instrument
Professional Classification:	GB    National Standard
ICS Classification:	75.180.10 75.180.10    Exploratory, drilling and extraction equipment 75.180.10
Issued by:	SAMR; SAC
Issued on:	2023-08-06
Implemented on:	2023-12-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	21000 words
Price(USD):	630.00
Delivery:	via email in 1~5 business day

本文件规定了耐蚀合金连续油管的订货、材料、制造、检验试验、标记等。
本文件适用于油气井用耐蚀合金连续油管（以下简称“油管”）的制造和检验。本文件中油管的钢级包括CT55-CRA、CT60-CRA、CT70-CRA、CT80-CRA、CT90-CRA、CT100-CRA和CT110-CRA。油管的外径尺寸范围为25.4 mm~88.9 mm。
注：本文件中耐蚀合金材料类型包括马氏体或马氏体/铁素体不锈钢、铁素体-奥氏体不锈钢、具有奥氏体组织的铁基耐蚀合金和具有奥氏体组织的镍基耐蚀合金。