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


A554 welded stainless steel pipe


According to ASTM A554,Grades from ASTM 201 to 430,surface finish and coating can be required in order,can do SGS test
welded stainless steel mechanical tubing
 Steel pipe |


1,Form:round ,square,rectangular and specialCarbon steel pipe|
2SURFACE: annealed, polished, pickled , SB400, SB600, 8K (mirror), hair-line and so on,       (customers' requests available)
3) Dia.: 6 to 273mm for round tube,welding steel pipe
            8*8 to 100*100(mm) for square tubes,
            10*20 to 60*120(mm) for rectangular tubesSeamless steel pipe|
4) wt: 0.5 to 6mm  for round tubes and square tubes.
         0.5 to 4mm for rectangular tubes
5) Grades:201, 304,  304L, 316L, 321 ,430,

Thick wall steel pipe| Drill pipe|

6) Standards: ASTM A554
We also make tubes with standard of A269,A270,A249,A312,for deep information,contact us freely.

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