GB/T 23802-2009 石油天然气工业 套管、油管和接箍毛坯用耐腐蚀合金无缝管 交货技术条件 Petroleum and natural gas industries—Corrosion-resistant alloy seamless tubes for use as casing,tubing and coupling stock—Technical delivery conditions
Petroleum and natural gas industries—Corrosion-resistant alloy seamless tubes for use as casing,tubing and coupling stock—Technical delivery conditions