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


Cold drawn ASTM A179 seamless steel tube


Cold drawn ASTM A179 seamless steel tube 


 Cold drawn ASTM  A179 seamless steel tube

1) Grade: 316/316L/316TI, 321/321H, 310S, 317L, 347H

2) Size:  OD- 4MM~426MM

              WT- 1MM~50MM

               Length: max 16M

3) Standard: ASTM A312/A213/A269/A789/A511



                   DIN 17456/17458/2462

                   GB/T14975-2002, GB/T14976-2002, GB13296-2007, GB9948

4) Process: cold drawn/piercing/hot rolled

5) Surface finish: annealed/polished

6) Packing: bundled/seaworthy wooden case/ply wooden box as per customers' requirement






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