接地网降阻材料用缓蚀剂技术规范
Technical specification of corrosion inhibitor for grounding grid resistance-reducing material
2022-10-12
BS EN ISO 13680-2020
Petroleum and natural gas industries. Corrosion-resistant alloy seamless tubular products for use as casing, tubing, coupling stock and accessory material. Technical delivery conditions
石油和天然气工业 耐腐蚀合金无缝管产品 用作套管、管道、联轴器和附件材料 交货技术条件
2020-06-09
GB/T 23802-2023
石油天然气工业 套管、油管、接箍毛坯及附件材料用耐蚀合金无缝管交货技术条件
Petroleum and natural gas industries—Technical delivery conditions of corrosion-resistant alloy seamless tubular products for use as casing, tubing, coupling stock and accessory material
2023-11-27
ISO 13680-2024
Oil and gas industries including lower carbon energy — Corrosion-resistant alloy seamless products for use as casing, tubing, coupling stock and accessory material — Technical delivery conditions
包括低碳能源在内的石油和天然气工业.用作套管、卡套管、联轴节和附件材料的耐腐蚀合金无缝产品.交货技术条件