(1)结构用无缝钢管:gb8162-99 (2)输送流体用地缝管:gb8163-99 (3)锅炉用无缝管:gb3087-1999 (4)高压锅炉用无缝钢管:gb5310-95(st45.8-ⅲ型) (5)化肥设备用高压无缝管:gb6479-1999 (6)地质钻探用无缝管:yb235-70 (7)石油钻探用无缝管:yb528-65 (8)石油裂化用无缝管:gb9948-88(9)石油钻铤专用无缝管:yb691-70 (10)汽车半轴用无缝管:gb3088-1999 (11)船舶用无缝钢管:gb5312-1999 (12)冷拔或冷轧精密无缝钢管:gb3639-1999
天津大口径厚壁无缝钢管厂
吴小双
13821274700
天津东丽区津塘公路