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

 
 

EN 10220 & DIN 1629 Seamless steel pipe

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Standard Min. diameter, mm Max. diameter, mm Min. wall thickness, mm Max. wall thickness, mm
EN 10210-1,2 33,7 368,0 3,2 60,0
EN 10220 / DIN 1629 33,7 355,6 3,2 60,0
EN 10220 / DIN 1630 33,7 355,6 3,2 60,0

 

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