Galvanized Square Tube
1)ISO9001-2000 certificate
2)Market: All of the world
3)Application: Widely used in agriculture,construction,building and decoration.
4)Ensure quality and after-sales service
5)O. D.: 10*10mm~400*400mm
6)W. T.: 0.8mm-12mm
7)Length: 4m-12m or according to customer's request
8)Zinc content: 60-280g/square metre
I.Product Basic Info:
| Shape: |
round/sqaure/rectangular/oval or other special section tube |
| OD: |
20-219.1mm, WT: 0.8-12mm |
| Size: |
10*10-400*400mm,WT:0.8-12mm |
| Size: |
10*20-400*600mm, WT:0.8-12mm |
| length: |
0.3-13m (as customers' request) |
| Surface: |
Pre-galvanized/Hot Dip Galvanized/Oiled/Painted/Bared , can be dealed as customers'need |
| Zinc Coating: |
50-150g/m2 for Pre- galvanized, more than 200g/m2 for hot dip galvanized.or as clients'need |
| Material: |
Q195/Q215/Q235/Q345/Q195-Q235 ABCD |
| Standard: |
ASTM-A53 /BS 1387-1985/ GB/T 3091-2001 for round pipe |
| |
ASTM A500 /GB/T3094 for square/rectangular pipe |
| Manufacturing Technique |
Weld/Seamless/ ERW/ SSAW/ LSAW / Cold Drawn/ Hot Drawn |
| Ends: |
Plain /Beveled/ Threaded with sockets coupling and plastic caps/ Necking down/ Expanding neck/ Punching holes |
2.Product Chemical Composition & Mechanical Properties :
| Grade |
Chemical Composition |
Mechanical Properties |
| C |
Mn |
Si |
S |
P |
Yield |
Tensile |
Elongati |
| Strength Mpa |
Strenth Mpa |
-on % |
| Q195 |
0.06-0.12 |
0.25-0.50 |
≤0.30 |
≤0.045 |
≤0.05 |
≥195 |
315-430 |
≥33 |
| Q215 |
0.09-0.15 |
0.25-0.55 |
≤0.30 |
≤0.05 |
≤0.045 |
≥217 |
335-450 |
≥27 |
| 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 |
Audited Supplier 
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