Galvanized Steel Square Tubing,rectangle tubes,A500 standard,non
galvanized
| Name | Hot-dip Galvanzied Square Pipe |
| Standard | JIS G3445 A500 |
| Material | Q235,Q345 |
| Size | 20*20-150*150mm |
| WT | 1.2-3.5mm |
| Surface treatment | Hot-dip galvanized |
| Zinc coating | 220g/m2, can be request by customer |
| Length | usually 4.5-6.5m, can up to 12m; and can cut in any length
according to client' s requirements |
| End Treatment | plain or bevelled |
2.Product Chemical Composition & Mechanical Properties :
| Grade | Chemical Composition | Mechanical Properties |
| C | Mn | Si | S | P | Yield | Tensile | Elongati |
| Strength Mpa | Strenth Mpa | -on % |
| | | | | | | | |
| | | | | | | | |
| Q235 | 0.12-0.20 | 0.30-0.67 | ≤0.30 | ≤0.045 | ≤0.04 | ≥235 | 375-500 | ≥26 |
| Q345 | ≤0.20 | 1.00-1.60 | ≤0.55 | ≤0.04 | ≤0.04 | ≥345 | 470-630 | ≥22
|
processing method: cold roll forming with ERW welding
material: Low carbon hot rolled coils
steel grade: Q235B~345B
surface treatment: hot dip galvanizing
Application: building materials, construction materials.
Company imformation
JiangSu Guoqiang Zinc Plating Industrial Co.,Ltd. Our company
established in
1998.ranked among top 500 private companies of china .its totally
800.000sqm area
with more than 3000 empolyees .total output will exceed two million
tons in 2017.
its the biggest manufacture of highway guardrail and solar panel braket in
china .
the biggestmanufacture of ERW tubes .hot dip galvanized tubes in east Pat of
china
as well as hot dip galvanizing processing .jiangsu guoqiang has more than 10 Lines
of cold forming
processing .producing various kind of cold formed profile .it has
22 lines of hot dip
galvanzing .other products include spiral welder pipe .electricity
Tower .highspeed rail
noise barrier etc.products already sold to around the world for
more than 10 years
.jiangsu guoqiang has won good reputation with its good quality
product but fair price .
Production lines:
Welded steel tube production: 12lines
Cold forming produciton: 8lines
Zinc coating produciton: 22lines
Powder coating produciton: 2 lines
Sheet pile: 1 line
spiral welded pipe: 3 lines
High quality and good price ! If you have problems
please do feel free to contact us for detials!
products already sold to around the worlds for more
than 10 years
