Seamless Steel Pipe Thick Wall
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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
Product Name
Thick wall Seamless steel pipe
Outside Diameter(mm)
20mm-820mm
Wall thickness(mm)
3mm-50mm
Certification
ISO9001: 2000
Standard
ASTM, BS, DIN GB
Grade
10#, 20#, 45#, A53(A, B), Q195, Q215, Q235, ST 52
Place of Origin
Hebei China(Mainland)
Secondary Or Not
Non-secondary
Export
Europe, North America, the Middle East, Africa, Asia and other countries and regions, well received by consumers!
Seamless theoretical weight by
Seamless calculation formula: (OD - Wall Thickness) × Thickness × 0.02466 = Seamless weight per meter
Seamless process
Seamless Steel Tube - Inspection - Skinning - Testing - Heating - perforation - Pickling - grinding - dry lubricant - welding head - cold drawn - solution treatment - acid - - pickling passivation - test - cold - to oil - the first cut - dried - in polish - outside polished - test - identification - product packaging
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