X级管线钢板材是生产直缝埋弧焊管的主要原材料。
The X grace steel sheet is used as main material for SAW straight weld pipes for pipe line purpose.
研究了洁净度和组织均匀性对四种管线钢板坯性能的影响。
The influence of purity on mechanical properties of pipeline steels had been investigated.
宝钢已较好地掌握了现代管线钢的生产和质量控制技术，产品质量稳定，满足国内外用户对管线钢板卷的需求。
Baosteel has mastered the modern pipeline steel production and quality control technology, the product's quality is stable and meet the pipeline steel plate demand requirements of customers.
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。
The grade X65 pipeline steel used for LSAW submarine line pipe has been developed at Baosteel, which is produced by hot continuum rolling processing.
对热轧管线用钢板X60H、X65H试轧过程中的轧制工艺和力能参数进行了较全面的分析研究。
The rolling technology and force-power parameters of hot rolling of pipeline steel grades X60H, X65H are discussed in the paper.
直缝埋弧焊管是长距离输送石油、天然气的主要管线产品，钢管由厚钢板压制成形。
LSAW pipes, made by thick steel plates through compacting, are main pipeline products for long-distance transportation of oil, natural gas.
通过不同温度条件下不同厚度、不同缺口取向含V形缺口试样进行3点弯曲试验研究，发现X70管线钢具有严重的各向异性现象，其在平行钢板表面方向和沿钢板厚度方向力学性能差异较大。
The effects of thickness and notch orientation on the toughness of X70 pipeline steel samples with V notch were investigated experimentally by use of the 3-point bending test at different temperature.
管线钢在轧制变形过程中，如果边角部金属延伸不均会产生折叠，压入钢板表面后形成“细线”缺陷。
The slimline defect was formed by the folds forced in the surface which was generated by the inhomogeneity of edge and corner elongation in rolling process.
管线钢在轧制变形过程中，如果边角部金属延伸不均会产生折叠，压入钢板表面后形成“细线”缺陷。
The slimline defect was formed by the folds forced in the surface which was generated by the inhomogeneity of edge and corner elongation in rolling process.
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