| After-sales Service: | Lifelong After-Sales Service |
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| Warranty: | 10-15 Years |
| Type: | Welded |
| Technique: | Hot Rolled |
| Material: | Carbon Steel |
| Surface Treatment: | Black |
| Samples: |
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| Customization: |
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Square pipe is a kind of name for square pipe and rectangular pipe, that is, steel pipes with equal and unequal side lengths. It is rolled from strip steel after process treatment. Generally, strip steel is unpacked, leveled, curled, welded to form a round pipe, rolled into a square pipe, and then cut to the required length.
Seamless square tube (SHS) Heavy Steel Structure/Aerospace Engineering/High Speed Rail/Shipbuilding/Seamless Steel Pipe for Machinery/Seamless square tube for automobile and high-speed train/Seamless square tube for chemical industry and boiler/Seamless square tube for bridge.
| Product Name | Q19 Q195 Q235 Q345 20# Square Tube 5.8m-12m Length Galvanized Vent Pipe |
| Material | Q195 similar to a283 GR.B, 040a10, ss330 Q235 similar to a283 GR.D, 080a15,CS type B Q345 similar to a737 GR.B, SS400, S235JR |
| Grade | ASTM A500 Grade B/C,EN 10219 S235JRH/S355J2H,JIS G 3466 STKR400/STKR490,BS 1387,DIN 2395-2 ,GB/T 6728 Q195/Q235/Q345 |
| Outer diameter | 15*15mm-1000*1000mm / 10*20mm-700*300mm or customized as required |
| Wall Thickness | 0.5-30mm or customized as required |
| Length | 5.8m-12m or customized as required |
| Surface Treatment | 1)Black,Pre-galvanized 2)oiled,powder coating 3)Galvanized as your requirement PS:Pre galvanized steel pipe: 60-150g/m2;Hot dipped galvanized steel pipe: 200-400g/m2 |
| End Finish | Plain/ beveled ends or threaded with sockets/coupling and plastic caps.,etc. |
| Technology | Hot rolled, Welded(ERW) |
| Zinc Coating | 30-600g/m2 |
| Shape | Square/Rectangular |
| Inspection | With Chemical Composition and Mechanical Properties Testing; Hydrostatic Test, Dimensional and Visual Inspection, With Nondestructive Inspection |
| Packaging | Packing in bundle with steel strips; with seaworthy package at the end; could be done with your requirement. |
| Processing service | Bending, Welding, Decoiling, Punching, Cutting |
| Transport package | Standard sea export packing or as required |
| Payment terms | T/T,L/C |
| Loading port | Tianjin/Qingdao/Shanghai Port |
| Application | construction pipe, machine structure pipe, agriculture equipment pipe, water and gas pipe, Greenhouse pipe, Building material, Furniture tube, Low pressure fluid tube, etc |
| Export market | Europe, Africa, Central Asia, Southeast Asia, Middle East, South America, North America, etc |
| Others | 1:Special design available according to requirement 2:Pipe can be necked dowm, punching hole on pipe wall. 3:Pipe fittings, elbows are available. 4.All production process are under the ISO9001:2000 strictly |
| Square and Rectangular Steel Pipe size chart | ||
| Square Hollow Section | Rectangular Hollow Section | Thickness(mm) |
| 20*20 25*25 30*30 | 20*40 30*40 | 1.2-3.0 |
| 40*40 50*50 | 30*50 25*50 30*60 40*60 | 1.2-4.75 |
| 60*60 | 50*70 40*80 | 1.2-5.75 |
| 70*70 80*80 75*75 90*90 100*100 | 60*80 50*80 100*40 120*80 | 1.5-5.75 |
| 120*120 140*140 150*150 | 160*80 100*150 140*80 100*180 200*100 | 2.5-10.0 |
| 160*160 180*180 200*200 | 200*150 250*150 | 3.5-12.0 |
| 250*250 300*300 400*200 350*350 350*300 | 250*200 300*200 350*200 350*250 450*250 400*300 500*200 | 4.5-15.75 |
| 400*400 280*280 450*300 450*200 | 400*350 400*250 500*250 500*300 400*600 | 5.0-20.0 |
Packing Details:
1.Export sea worthy package + water proof paper
2.Safe loading and fixing Professional teams
Delivery Detail: within 7-10 working days after receiving the deposit or according to your order quantity.
SHANDONG ZHENGYE STEEL Co., Ltd is a professional manufacturer engaged in the research,development,production,
sale and service of steel sheet, steel pipe, bar, coils. We are located in Tianjin with convenient transportation access. Our factory have rich experience in producing as we are engaged in
domestic market for more than 20 years.
Our advantages.
Quality Assurance: To provide quality products at the same time to improve after-sales service
One-stop Service: We have a compatible and experienced R&D team.
Independent factor: We have our own factory and give the best price.
Professional Team: Professional team to provide you with efficient service.
Q1. What are your company's main products ?
A1: Our main products are stainless steel, carbon steel, galvanized steel, aluminium steel, ppgi steel products, including sheets, pipes, coils, strips, bars and channels.
Q2. What are the advantages of your company ?
A2: We guarantee that the quantity and specification of products are in full compliance with the standards of customer orders. We support any kinds of test. In addition, We also have more professional service and competitive price.
Q3. How do you control quality ?
A3: We provide Factory Test Report, also support Third Party Inspection.
Q4. How many coutries you already exported ?
A4: Exported to more than 50 countries mainly from Middle East, Russia, United States, Canada, Italy, Germany, Australia, Egypt, Chile, Mexico, Venezuela, Argentina, Kuwait, Saudi Arabia, UAE, Sri Lanka, Indonesia, Bangladesh, Turkey, India, etc.
Q5. Can you provide sample ? Do you support OEM ?
A5: Yes. Small samples in store can be provided for free. Customized samples will take about 2-3days.
Q6: What's your payment terms ?
A6: By T/T, L/C (30% deposit in advance, balance 70% before shipment), Western Union, Paypal, or Trade Online.
Suppliers with verified business licenses
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