Black Steel Square Hollow Sections For Construction
Details:
We can produce galvanized pipe under the following standards:
ASTM A53,BS1387-1985,GB3091-2001
Square section size:10*10mm-400*400mm
Thickness size :0.8mm-12mm
Length:4M-12M or according to customer's request
Material:Q195, Q215, Q235, Q345
Usage:Be widely used in furniture, building and construction Industry, traffic and communication, and so on.Special design available according to requirement
I.Product Basic Info:
Shape: |
round/sqaure/rectangular/oval or other special section tube |
OD: |
20-219.1mm, WT: 1.2-12mm |
Size: |
10*10-400*400mm,WT:1.2-12mm |
Size: |
10*20-400*600mm, WT:1.2-12mm |
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 |