Customization: | Available |
---|---|
Type: | Welded |
Technique: | ERW |
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Name |
Hot rolled black carbon hollow sections square steel pipe/tube |
OD |
20mm x 20mm ~ 100mm x 100mm |
Wall Thickness |
0.7mm-2.5mm |
Length |
1m~7.2m |
Steel material |
Q195 Q235 Q345 |
Standard |
JIS3444 |
Zinc coating |
40g~270g 6μm~35μm |
Usage |
1)construction 2)fence, door pipe |
End process |
Plain |
End protector |
Plastic wrapping cloth |
Surface Treatment |
1) Bared 2) Black Painted (varnish coating) 3) Galvanized |
Technique |
Electronic Resistance Welded (ERW ) Electronic Fusion Welded (EFW) |
Section shape |
square |
Inspection |
With Hydraulic Testing, Eddy Current , Infrared Test |
Delivery |
1) Container 2) Bulk carrier |
Port of Shipment |
Xinggang Port,Tianjin, China |
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 |
Before-sale service:
We can offer one free sample length 20 cm with freight collected, if you want to buy our products and take our price.
After-sale service:
Quality/Quantity Claims: The Buyer is entitled to make both quality and quantity claim in writing against the Seller within 90 days after arrival at the port of destination. All claims must be supported by survey reports of recognized first class surveyors within the above mentioned stipulated time frame.
All items of our products and related tests as follow :
1.ERW black round pipe (ASTM A53,GB..)
2.Weld black square/rectangular pipe(ASTM A500,GB,...)
3.Hot dip galvanized round pipe (BS 1387,ASTM A53,GB ,...)
4.Hot dip galvanized square/rectangular pipe(ASTM A500,GB...)
5.Pre-galvanized square/rectangular/round pipe,cold rolled black annealed or bright finished pipe.
6.Spiral steel pipe
7.Seamless pipe (ASTM A53,A106B,)
8.Oval pipe in galvanized and black surface
9.LTZ... special sizes pipe
10.Steel prop , steel plank,steel scaffolding pipe and accessories... steel constrctution material
11.Steel angle, Flat bar,round bar,sqaure bar,
12.H,I,U,C,T,Y,W...steel beam/channel
13.Deformed steel bar
14.Hot rolled& cold rolled steel sheet/coil in black,galvanized,color coated surface.
Company Information1.Q: Are you trading company or manufacturer ?
A: We are factory,also a trading company.
2.Q: How long is your delivery time?
A: Generally it is 15-20 days if the goods are in stock.
3.Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
4.Q: What is your terms of payment ?
A:T/T or LC at sight.
5.Q:Do you have quality contral?
A: Yes, we have gained BV, SGS authentication.