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


Square steel pipe

Square steel pipe 

Size: 20*20-300mm*300mm thickness: 0.5MM-14MM 
Material: Q195, Q235, Q345, 
Usage: Used for gas, oil pipes and construction 
Surface: Galvanization/oil/painting/client option 
Packing: Bundles/losses/client option

Item Details
Outer Diameter 15mm*15mm-----600mm*600mm
Wall Thickness 1.5mm----14mm
Length 5m-----18 m
Material Q235, Q345, S355J2H, ST52
Standard EN 10210 EN 10219(Europe), ASTM A 500(USA), GB/T3094
  GB/T6728 GB/T178(China), JIS3466(Japan)
Usage Line Pipe, Casing And Tubing, Fluid Pipe, Water Delievery, Heating Pipe, Power Pipe, Structure Pipe, Scaffold, Piling Pipe,
Furniture Pipe
Surface Process 1 Oiled
2 Galvanized
3 3PE Anti-corruption coated
4 According to the sustomers' requirement
Test Equipment
Raw Material Test Tensile Test, Yeild Strength, Elogation, Impact Test, Chemical Analysis, Hardness Test, Charpy Impact Test, Metallographic Examination
Final Product Test Hydraulic Test, On-line and off-line Ultrasonic Test, Tensile Test, Yeild Strength, Elogation, Hardness Test, Charpy Impact, Flattening Test, Instant X-Ray Inspection
Chemical Analysis, Metallographic Examination
Package 1 Naked
2  According to the sustomers' requirement
Main Market Middle East, South and North America, Europe, Asia, Oceania 


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