Petroleum and natural gas industries - Corrosion-resistant alloy seamless tubes for use as casing, tubing and coupling stock - Technical delivery conditions.
石油和天然气工业。作外壳、管道和连接材料用的耐腐蚀合金无缝管。交货技术条件。
ERW casing is applicated widely in oil and gas industry and substituted for seamless tubing for its high precision, excellent properties, easy controlling of quality and low cost etc.
ERW套管和无缝套管相比,具有尺寸精度高、焊缝韧性好、抗挤压性能好、质量易于控制以及成本低等优势。
Discharge Pipe: Seamless steel, supported at the pump support plate and furnished with an expansion fitting at the casing connection to prevent strain on the pump.
排水管:无缝钢,在泵支撑板处支撑,在外壳连接处配有膨胀部件,以防止作用在泵上的张力。
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