Limestone Quarry Plant

One of the Top 500 enterprises in China foreign trade

QCCO was approved as a member of “China Association for Contracting Projects Abroad “and granted a membership certificate on Sep 28,2005; “Credibility Rating AAA certificate in Foreign Trade” was granted to QCCO by China Shippers’ Association


ASTM A106/A53 Gr.B Carbon Steel Seamless Pipes


ASTM A106/A53 Gr.B Carbon Steel Seamless Pipes:

1) Pipe Diameter of Steel Pipe: 10"-24"Thick wall steel pipeDrill pipe|

2) Thickness of Steel Pipe: 6mm-20mmSeamless steel pipe

3) Steel grade of Steel Pipe: grade B , 20# , Q235 , ST 52 , ST37Alloy pipe

4) Standards of Steel Pipe: ASTM A106 , ASTM 53 , API 5L and etc.

5) Surface of Steel Pipe oiled or black painted to prevent rust .API  pipe|ERW pipe|

If you are intersted in these products, please feel free to contact me.welding steel pipe



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