| After-sales Service: | Warranty |
|---|---|
| Warranty: | 2 Year |
| Type: | Seamless |
| Technique: | Hot Rolled |
| Material: | Carbon Steel |
| Surface Treatment: | Black |
| Samples: |
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| Customization: |
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Suppliers with verified business licenses
Audited Supplier | Product Name | Rectangular square steel pipe |
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Surface Treatment
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Hot Rolled
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Tolerance
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±1%
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Processing Service
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Welding, Punching, Cutting, Bending, Decoiling
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Oiled or Non-oiled
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Non-oiled
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Invoicing
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by actual weight
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Delivery Time
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within 7 days
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Grade
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Q345,Q195,Q215,A53,A106,etc
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Usage
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Building Industry Machinery
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Package
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Seaworthy Standard Package
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MOQ
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1 Ton
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Sample
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Avaliable
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PRICE TERM
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CIF CFR FOB EXW
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Length
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Customized as requireme
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Seamless carbon steel pipe is made of steel ingot or solid tube blank through perforation to make wool tube, and then hot rolled, cold rolled or cold drawn to make.
| Thick-walled square pipe specification sheet(mm) | Specification sheet for thick wall rectangular pipe(mm) | ||
| 16×16×0.4~1.5 | 380×380×8.0~30.0 | 10×20×0.6~1.5 | 250×150×6~12.0 |
| 18×18×0.4~1.5 | 400×400×8.0~30.0 | 14×21×0.6~1.5 | 250×100×6~12.0 |
| 20×20×0.4~1.5 | 420×420×10.0~30.0 | 15×30×1.5~1.5 | 250×200×6~30.0 |
| 25×25×0.6~2.0 | 450×450×10.0~30.0 | 15×38×0.6~1.5 | 300×150×6~30.0 |
| 30×30×0.6~4.0 | 480×480×10.0~30.0 | 20×30×0.6~2.0 | 300×200×6~30.0 |
| 34×34×1.0~2.0 | 500×500×10.0~30.0 | 20×40×0.8~2.0 | 300×250×6~30.0 |
| 35×35×1.0~4.0 | Modified specifications are as follows: | 20×50×1.0~2.0 | 400×250×8~30.0 |
| 38×38×1.0~4.0 | 550×550×10.0~40.0 | 22×35×0.9~2.0 | 400×300×8~30.0 |
| 40×40×1.0~4.5 | 600×600×10.0~40.0 | 25×40×0.9~3.75 | 450×200×8~30.0 |
| 44×44×1.0~4.5 | 700×700×10.0~40.0 | 25×65×1.0~2.0 | 450×250×8~30.0 |
| 45×45×1.0~5.0 | 800×800×10.0~50.0 | 30×40×1.0~3.75 | 400×300×8~30.0 |
| 50×50×1.0~5.0 | 900×900×10.0~50.0 | 30×45×1.0~3.75 | 400×350×8~30.0 |
| 60×60×1.5~5.0 | 1000×1000×10.0~50.0 | 30×50×1.0~4.0 | 500×200×10~30.0 |
| 70×70×2.0~6.0 | 30×60×1.0~4.5 | 500×250×10~30.0 | |
| 75×75×2.0~6.0 | 40×50×1.0~4.5 | 500×300×10~30.0 | |
| 80×80×2.0~6.0 | 40×60×1.0~5.0 | 500×350×10~30.0 | |
| 85×85×2.0~6.0 | 40×80×1.5~5.0 | 500×400×10~30.0 | |
| 95×95×2.0~8.0 | 40×100×2.0~5.0 | 500×450×10~30.0 | |
| 100×100×2.0~8.0 | 50×60×2.0~5.0 | Modified specifications are as follows: | |
| 120×120×4.0~8.0 | 50×80×2.0~5.0 | 600×200×10~28.0 | |
| 150×150×6.0~10.0 | 50×100×2.0~8.0 | 600×400×10~28.0 | |
| 180×180×6.0~12.0 | 60×80×2.0~6.0 | 600×500×10~28.0 | |
| 200×200×6.0~30.0 | 80×100×2.0~8.0 | 800×400×10~28.0 | |
| 220×220×6.0~30.0 | 120×60×2.5~10.0 | 800×600×10~28.0 | |
| 250×250×6.0~30.0 | 120×80×2.5~10.0 | 800×700×10~28.0 | |
| 280×280×6.0~30.0 | 150×100×2.5~12.0 | 1000×400×10~28.0 | |
| 300×300×8.0~30.0 | 180×150×2.5~12.0 | 1000×500×10~28.0 | |
| 320×320×8.0~30.0 | 200×100×4~12.0 | 1000×600×10~28.0 | |
| 350×350×8.0~30.0 | 200×150×4~12.0 | 1000×800×10~28 | |
| 1, the above square tube can be made straight slit square tube and seamless square tube, special specifications can be customized processing. | |||
| 2. Implementation standard: GB/T6728-2002, ASTM, JIS or technical agreement. | |||
| 3, square pipe material: 235B, Q345(B,C), 16Mn,20#, 45#, 20MN2. | |||
Our company is a collection of R & D, production, management as one of the group company, the company and subsidiaries mainly produce carbon steel series, stainless steel series, galvanized series, aluminum series and PPGI, PPGL series and other products of modern enterprises. The company covers an area of 36,000 square meters and employs more than 500 people. The leading products are seamless steel pipe, carbon steel bar, color coated plate and aluminum foil, which are famous brand products in Shandong Province. Hanbang Brand is a well-known brand in China. The company won the seventh Mayor Quality Award. It is the single champion enterprise in Shandong Province, the quality benchmark enterprise in Shandong Province, the national contract-abiding and credit-keeping enterprise, and the national "Architectural Decoration color Steel Plate" and other 16 national, industrial and group standards. Prepare the units. Products are exported to Russia, Canada, Australia, Africa, South America, Southeast Asia and other more than 40 countries and regions.
1. wood pallet packing cover with water-proof paper
2. steel pallet packing cover with water-proof paper
3. wood box packing
4. steel pallet packing cover with steel box
5. in bundles with steel strip no extra packing
6. packaged as customers' requirments.
1. Q: Are you a manufacturer?
A:Yes, we are manufacturers. We have our own factory and our own company. I believe we will be the most suitable supplier for you.
2. 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.
3. 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.
4. Q: Can you arrange the shipment for us?
A: Yes, we have designated sea freight and railway freight forwarders with decades of experiences and we get the best price with earlist vessel and professional service.
5. Q: How long is your delivery time?
A: Generally it is 7days if we have the exact goods in our stock. If not, it will take around 15-20 days to get goods ready for delivery.
6. Q: Can I get some samples?
A: We are glad to provide free samples to you, but we do not offer the freight.
7. Q: What is your after-sale service?
A: We provide after-sale service and offer 100% guarantee on our products.
8. Q: What is your MOQ?
A: 2 Ton
Suppliers with verified business licenses
Audited Supplier 
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