- Overview
- Product Description
- Product Parameters
- Detailed Photos
- Product Application
- Packaging & Shipping
- Certifications
- Our Service
- FAQ
Basic Info.
Product Description
This is a general structure square and rectangular low carbon welded steel tube, also known as general structure square and rectangular carbon steel tube. It is made of high quality carbon steel plate as raw material, and is processed into a square or rectangle shape by precision forging and welding technology. The surface is smooth and has good straightness and roundness. It is mainly used as structural material in building, bridge, transportation and other fields, and is a kind of energy-saving and environmental-friendly material with low cost and wide application.
General structure square and rectangular low carbon welded steel tube is a kind of high quality carbon steel pipe with square or rectangle cross section. It is mainly used as structural material in building, bridge, transportation and other fields. The raw material is high quality carbon steel plate, and the welding is perfect. The surface is smooth and has good straightness and roundness. It has good wear resistance, high strength, good formability and easy processing. It is a kind of energy-saving and environmental-friendly material with low cost and wide application.
| COMMODITY NAME | SQUARE AND RECTANGULAR HOLLOW SECTION PIPE/ TUBE |
| MATERIAL GRADE | Q195 = S195 / A53 Grade A Q235 = S235 / A53 Grade B / A500 Grade A / STK400 / SS400 / ST42.2 Q355 = S355JR / A500 Grade B Grade C |
| STANDARD | ASTM A500 Gr.A / B/ C |
| PIPE SURFACE | Galvanized, black painted, or anti-rust oiled |
| PIPE ENDS | PLAIN ENDS |
| CERTIFICATES | ISO 9001 / BSI/ UL / FM |
| TRADE TERMS | FOB/ CFR/ CIF/ EXW/ FCA |
| PAYMENT TERMS | 30%&70% T/T ; 100% LC AT SIGHT (others can be negotiated) |
| DELIVERY TIME | 30-45 DAYS AFTER RECEIVE DEPOSIT OR LC |
| HOT SALES MARKET | Southeast Asia, South Asia, Middle East, Europe, Middle&South America, Africa and Oceania |
| REGULAR SIZE | ||
| SIZE (OUTER DIAMETER) | WALL THICKNESS | LENGTH |
| 20x20 / 25x25 | 1.2MM --2.75MM | 6M IN STOCK (OR CUSTOMIZED) |
| 30x30 / 20x40 / 30x40 / 25x40 | 1.2MM -- 3.5MM | 6M IN STOCK (OR CUSTOMIZED) |
| 40x40 / 50x50 30x50 / 25x50 / 30x60 / 40x60 | 1.2MM -- 4.75 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 60x60 / 50x70 / 40x80 / 40x50 | 1.2 MM -- 5.75 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 70x70 / 60x80 / 50x80 / 100x40 / 50x90 | 1.5MM -- 5.75 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 75x75 / 80x80 / 90x90 60x100 / 50x100 / 120x60 / 100x80 / 60x90 | 1.5MM -- 7.75 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 100x100 / 120x80 | 1.8MM -- 7.75 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 120x120 / 130x130 180x80 / 160x80 / 100x150 / 140x80 / 140x60 | 2.5MM -- 10.0 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 140x140 / 150x150 / 100x180 / 200x100 | 2.5MM -- 10.0 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 160x160 / 180x180 / 200x150 | 3.5MM -- 11.0 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 200x200 / 250x150 / 100x250 | 3.5MM -- 11.0 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 250x250 / 250x200 / 300x150 / 300x200 | 4.5MM -- 15.0 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 300x300 / 350x200 / 350x250 /300x150 | 4.5MM -- 15.0 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 350x350 350x300 / 450x250 / 400x300 / 500x200 | 4.5MM -- 15.75 MM | 6M IN STOCK (OR CUSTOMIZED) |
| 400x400 / 280x280 450x300 / 450x200 / 400x350 / 400x250 / 500x250 / 500x300 | 4.5MM -- 15.75 MM | 6M IN STOCK (OR CUSTOMIZED) |
| ASTM A53 /A106 Chemical Components and Machanical Property | |||||||||||||
| Standard | Steel Grade | Chemical Components | Machanical Property | ||||||||||
| C | Mn | P | S | Cu | Ni | Cr | Mo | V | Tensile Strength (Mpa) | Yield Strength(Mpa) | Elongation (Mpa) | ||
| ASTM A53 | A | ≤0.25 | ≤0.95 | ≤0.05 | ≤0.045 | ≤0.40 | ≤0.40 | ≤0.40 | ≤0.15 | ≤0.08 | ≥330 | ≥205 | ≥29.5 |
| B | ≤0.30 | ≤1.20 | ≤0.05 | ≤0.045 | ≤0.40 | ≤0.40 | ≤0.40 | ≤0.15 | ≤0.08 | ≥415 | ≥240 | ≥29.5 | |
| Standard | Steel Grade | Chemical Components | Machanical Property | ||||||||||
| C | Si | Mn | P | S | Cu ,Ni | Cr | Mo | V | Tensile Strength (Mpa) | Yield Strength(Mpa) | Elongation (Mpa) | ||
| ASTM A106 | B | ≤0.30 | ≥0.10 | 0.29-1.06 | ≤0.035 | ≤0.035 | ≤0.40 | ≤0.40 | ≤0.15 | ≤0.08 | ≥415 | ≥240 | ≥30 |
| C | ≤0.35 | ≥0.10 | 0.29-1.06 | ≤0.035 | ≤0.035 | ≤0.40 | ≤0.40 | ≤0.15 | ≤0.08 | ≥485 | ≥275 | ≥30 | |
Product Advantages:
Fire sprinkler steel pipe,
Structure Steel Pipe: Construction / building materials steel pipe,
Scaffolding pipe,
Solar structure component steel pipe
Fence post steel pipe
Greenhouse frame steel pipe
1. Size 200x200 mm and below In hexagonal seaworthy bundles packed by steel strips, With two nylon slings for each bundles
2. above size 200x200 mm in pieces or according to custom opinion
3. 25 tons/container and 5 tons/size for a trial order;
4. For 20" container the max length is 5.8m;
5. For 40" container the max length is 11.8m.
Q: Minimum Order Quantity?
A: The MOQ is usually 25 tons or as per your requirement .
Q: What kind of payment terms can you accept?
A: T/T, Cash, Western Union,L/C at sight are available.
Q: Is free sample available?
A: Yes, free sample is available. The sample is free, but please afford the freight cost, and we will figure it in the order as long as we work together.For those clients who have already established business relation with us, even the freight cost will be free.
Q: Can you do Customization & Reproduction if I provide a photo?
A: Yes, we do Customization & Reproduction service.
Q: Does the packaging safe and arrive in good conditions?
A: Yes, safe Packing guarantee , all the products will arrive your door under good conditions.
Q: How long does it usually take to deliver the product?
A: We will make the shipment to you immediately. It will take about 15 to 30 days arrive worldwide. It depends on the specific quantity and destination port distance.
Q: Do you have quality control system?
A: Yes, we have ISO, BV, MTC, certifications and our own quality control laboratory.Third party testing services are also available.
Q: Can we visit your factory?
A: Sure, we welcome you to visit our factory , check our production lines and know more about our strength and quality.
Q: Why should I choose you?
A: Choose happens because of quality,then price, we can give you both. Additionally, we can also offer professional products inquiry, product knowledge ( for agents), quick delivery, excellent customer solution proposals.
Our service formula:good quality + good price + good service = Customer's trust
Top quality, Advantage price, Sufficient inventory, Immediate delivery, Strict inspection, High quality service!
Any questions or requirements, pls don't hesitate to contact us and we will supply you the best service at any time.