直縫焊管：

高頻直縫焊管（ERW）：外徑10-630mm，壁厚0.5-22mm長度：5M-16M
埋弧直縫焊管（LSAW）:外徑325-1600mm，壁厚5-60mm長度：5M-16M
可執行標準：GB/T13793-1992,GB/T3091-2001,GB/T9711.1-1997,API SPEC 5L,API SPEC   5CT,EN10217,EN10219,ASTM A53 或技術協議

材質：Q195-235  20# Q345（B，C） L175-L555(A,B級鋼，X42-X80)，J55、K55、N80、L80、  C90、C95、        P110、Q125

產品包裝：噴漆；涂油；防腐保溫；坡口或平口；管端保護；打包。

應用領域：陸上、海洋油氣、煤漿、礦漿介質的輸送及海洋平臺、電站、化工和城市建筑結構用管

Longitudinal Welded Pipe

ERW:  Outer Diameter 10-630mm, Wall Thickness 0.5-22mm

LSAW:  Outer Diameter 351-1600mm, Wall Thickness 5-60mm

Length: 5M-16M

Executive Standard:GB/T13793-1992,GB/T3091-2001,GB/T9711.1-1997,API SPEC 5L,API SPEC 5CT, EN10217,EN10219,ASTM A53or Technical agreement

Material:Q195-235,20#,Q345(B,C),L175-L555(A,B Grade Steel,X42-X80),J55,K55,N80,L80, C90,C95,P110,Q125

The package of products: painting, oil coating, Anticorrosion &Insulation, beveled edges or plain end, the protection of pipe end, packaging.

Application Fields: onshore、Offshore Oil and Natural Gas、the transportation of coal slurry or ore pulp medium、ocean platform、power station、chemical industry and structural tube of urban architecture.