UNE-EN ISO 13680:2020
石油和天然气工业 用作套管、油管、接箍毛坯和配件材料的耐腐蚀合金无缝管材 交货技术条件
Petroleum and natural gas industries - Corrosion-resistant alloy seamless tubular products for use as casing, tubing, coupling stock and accessory material - Technical delivery conditions (ISO 13680:2020) (Endorsed by Asociación Española de Normaliza...