● Overview
Surface Treatment
Galvanized
Standards
ASTM A53-2007, GB/T 3094-2000, JIS G3466, En10219
Grade
10#-45#, Q195-Q345, St35-St52
Outer Diameter
20*20mm-300*300mm
Wall Thickness
Thick & Thin
Specification
BS, ASTM, JIS, GB, DIN, AISI, SGS
● Product Show
Carbon Square Hollow Galvanized Section Pipe
● Product Parameters
| Technical Specifications |
| Shape |
Square: 20*20-200*200mm / Rectangular: 30*20-250*150mm |
| Thickness |
1.0-12.0mm |
| Length |
3-12m, or as per request |
| Technique |
Hot Rolled, Cold Rolled, ERW, High-frequency welded, Extruded |
| Surface |
Bared, Oil, Galvanized, Paint, etc |
| Standard |
GB/T3094-2000, GB/T6728-2002, ASTM A500, JIS G3466, DIN EN10210 |
| Material |
Q195, Q235, Q345, S355, St37, St52, A500, A513, A106, etc |
| Usage |
Machinery manufacture, Roads and Bridges, Construction, Transportation |
● Quality Control
Strict inspection processes ensure all products meet international standards including ISO9001:2000, CE, and SGS certifications.
FAQ
1. What are the main applications for these galvanized pipes?
These pipes are widely used in machinery manufacturing, construction, road and bridge projects, and various transportation infrastructures.
2. Can the length of the steel tube be customized?
Yes, we offer standard lengths from 3m to 12m, and we can also provide custom lengths based on specific requirements.
3. What surface treatments do you provide?
Available surface treatments include galvanized (hot-dipped or pre-galvanized), oiled, painted, or bared depending on your application needs.
4. What materials and grades are available for square hollow sections?
We supply various grades including Carbon Steel Q195, Q235, Q345, S355, and ASTM A500/A106 among others.
5. Do your products carry international certifications?
Yes, our products are compliant with ISO9001:2000, CE, and SGS standards to ensure high quality and reliability.
6. What techniques are used in the production process?
We utilize several techniques including Hot Rolled, Cold Rolled, ERW (Electric Resistance Welding), High-frequency welding, and Extrusion.