pipe grade 管材料 ; 钢级
drill pipe grade 钻杆级别
pipe grade resin 管材级树脂
pipe grade special product 管材专用料
X65 grade LSAW pipe X65钢级直缝埋弧焊管
X70 grade pipe X70级钢管
high-grade pipe 高钢级管道
high grade pipe 高钢级管材
According to reliability theory of probability, the probability value of different grade of seismic hazard of water pipe buried underground under earthquake action was calculated.
根据概率可靠性理论,计算了地震作用下地下直埋管道的各个震害等级的概率值。
During the manufacturing of SSAW pipe for Sudan pipeline, J557 electrode shall be applied as bottom weld materials according to the matched requirement of grade and strength.
在苏丹管线用螺旋埋弧焊管生产过程中,根据钢级及强度匹配要求,选用J557焊条作为打底焊材料。
The grade X65 pipeline steel used for LSAW submarine line pipe has been developed at Baosteel, which is produced by hot continuum rolling processing.
宝钢开发以热连轧方式生产用于制造直缝埋弧焊管的海底管线用x 65级管线钢板,其产品具有高强度、高韧性和良好的焊接性等综合性能。
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