Square Hollow Section Description
ERW Square and Rectangular Steel Pipes and Tubes for Shipbuilding and Bridge Structure
Buying ms hollow section steel square tube from China? We are your brain!
Stop your search now and stay with us, because--
1. We make sure to offer you HIGHER quality steel pipes than others in same price.
2. We make sure to ask you Lower price than others in same quality.
3. 80% our new customers give their reorders to us!
| Item |
Mild steel square and rectangular pipe and tube |
| Material |
Q195, Q215, Q235, Q345, SAE1010, SAE1020, API Standard material, ASTM A53 |
| Wall thickness |
0.5-20 mm |
| Outer diameter |
SHS: 15*15-400*400mm, RHS: 20*25-400*300mm |
| Length |
2m-12m or as per customers' requirement |
| Thickness Tolerance |
±2%-5% |
| Surface Treatment |
Black painting, varnished surface, anti-corrosion oil, galvanized |
| Pipe ends |
Plain ends |
| Marking |
As per customer's requirement |
| International Standard |
ASTM A500, GB/T6728-2002 |
| Usage |
Mechanical & manufacture, Steel structure,Shipbuilding, Bridging ,Automobile chassis |
| Certificate |
ISO,BV,API |
| ODM/OEM |
Available |
Pictures of Square Tube
Constituent of the material
| Grade |
C |
Mn |
Si |
S |
P |
UTS(MPa) |
YS(MPa) |
EI(%) |
| Q235B |
0.12-0.20 |
0.30-0.70 |
0.30 |
0.045 |
0.045 |
375-500 |
235 |
26 |
| Q345B |
0.12-0.20 |
1.20-1.60 |
0.20-0.55 |
≤0.045 |
≤0.045 |
510-600 |
345 |
22 |
| 20#(GB) |
0.17-0.23 |
0.38-0.65 |
0.17-0.37 |
≤0.030 |
≤0.030 |
410-550 |
≥245 |
≥20 |
Packing and Shipping
For the detailed package of black iron pipe we could do as bellow:
1. Big size: by bulk
2. Small size:
1) in bundle with steel strip
2) inside with bundle, outside with plastic cloth
3) by bulk, then put into container directly
3. For container
1)20FT GP Container: pipe length less than 5.8m, qty max 27ton
2)40FT GP Container: pipe length less than 12m, qty max 26.5ton
Our Factory
Tianjin JN Steel Pipe Co., Ltd is our factory and Tianjin Kuifang International Co., Ltd is our import and export company. We do steel business since 1985, our main products are black welded steel pipe(round, square, rectangular), galvanized steel pipe(round, square, rectangular), gi pipe, steel strip, cooperated products are galvanized steel coil, angle steel, beam etc. Welcome you to visit our factory.
Certificate
Our exhibition and Team
Welded steel tube specification
Based on the customer's requirements we can manufacture ERW square and rectangular tubes of different size and shape. We have a very large production capacity of ERW steel pipes and tubes.
Electric Resistance Welded square and rectangular tubes are used in various engineering purposes, Steel Structure, Building Material,,Sport equipment, Home furniture and other fields.
FAQ
Q: Are you trading company or manufacturer ?
A: Yes ,we are the manufacturer,welcome to visit our company.
Q: Can you send us the sample?
A: Yes, Yes, free samples can be supplied.
Q: How long is your delivery time?
15-30 days after receiving deposit.
Q: What payment terms can you accept?
A: T/T,100% L/C at sight, Cash, Credit card
Q.How about the delivery time?
A :15-30 days after receiving deposit
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