Sindara Steel Co.,Ltd
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Cold Dipped Galvanized Steel Tube
Galvanized seamless tube is divided into cold-plated steel seamless tube and hot dip seamless tube.
Cold-Plated Seamless Tube :
Cold galvanized, electric-galvanized, galvanized the amount of small, only 10-50g/m2 of its own resistance to corrosion than hot dip galvanized tube a lot of difference. Regular galvanized tube manufacturers, in order to ensure the quality, most do not use electric-galvanized (cold-plated). Only those small-scale, outdated equipment and small businesses with electric galvanized, of course, their prices are relatively cheap. The Ministry of Construction has formally below, cold galvanized tube to eliminate backward technology, the future not be allowed to cold galvanized tube for water, gas pipes.
Galvanized Seamless Mechanical Properties :
The mechanical properties of steel is to ensure that an important indicator of the steel end-use properties (mechanical properties), it depends on the chemical composition and heat treatment of steel. Steel standards, according to different requirements, the provisions of the tensile properties (tensile strength, yield strength or yield point elongation) and hardness, toughness, user requirements, high and low temperature performance.
Galvanized steel tube maintains a wide range of benefits, suitable for use in highly corrosive environments. The semi-smooth, zinc finish of galvanized steel tube provides a layer of protection that is not seen in other types of protective materials. The galvanized coating process protects the underlying steel from encountering corrosive elements that could deteriorate the steel and ultimately weaken its structural integrity. Main advantages of galvanized structural tube include:
Protects against corrosion and rust
Increased structural longevity
Overall enhanced reliability
Affordable protection
Easy to inspect
Less repairs
Rugged toughness
Easier to maintain than standard painted tube
Protected by advanced ASTM standardization
Dimension, Standard & Grade :
| Thickness | 1-200mm；or as required | Length: | 2000-16000mm , or as required |
| Dimensions | 16-1020mm ；(1/2inch~40inch) Dimensions | Technique | Cold Rolled |
| Zinc Coating | pre galvanized steel tube: 60-150g/m2 cold dipped galvanized steel tube:200-460g/m2 | Surface treatment | Cold galvanizing , Hot dip galvanized |
| Certification: | CE , ISO, SGS ,BV ,Mill Certificate | Standard: | ASTM ,JIS ,GB , DIN , EN |
| price terms | FOB , CRF , CIF , EXW , CPT | Payment Terms | T/T , L/C at sight , D/P , OA |
| Grade | Q195 — Grade B , SS330 , SPC , S185 | ||
| Q215 — Grade C , CS Type B , SS330 , SPHC | |||
| Q235 --- Grade D , SS400 , S235JR , S235JO , S235J2 | |||
| Q345 --- SS500 , ST52 , S355JR | |||
| Delivery Detail | Standard has Stock ; Normal About 3-5days ; Custom-made 15-30 days ；According to order's quantity. | ||
| Packing |
Bundled/In Bulk , Plastic Caps Plugged , Waterproof Paper Wrapped | ||
Application:
Galvanized steel tube is an excellent choice for many applications and processing techniques. Some common applications for galvanized steel tube include:
Plumbing
Construction
Hot and cold liquid transportation
Bollards
Exposed environments
Marine environments
Railings or Handrails
Fence Posts and Fencing
With the proper protection galvanized tube can also be sawed, torched, or welded. Galvanized structural tube is ideal for numerous types of applications where corrosion resistance is required.
Manufacturing Process
