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| Customization: | Available |
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| After-sales Service: | 12 Months |
| Warranty: | 12 Months |
Suppliers with verified business licenses
Audited by an independent third-party inspection agency
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Product name
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High Quality Black square pipe iron rectangular tube welded Galvanized Square Steel Pipes
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Size
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Rectangular Tube: 10*20-120*80mm
Square Tube : 16*16-250*250 mm (check sizes provided from below table) |
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Length
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6m or based on your request
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| Zinc coating | 0.13-0.8 mm is 30-150 g/m2; 0.8-1.5 mm is 30-180 g/m2;1.5-6.0 mm is 30-275 g/m2 | ||
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Standard
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EN10210, EN10219, DIN17100, ASTM A36,JIS G3466
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Materials
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Q195, Q235, Q235B, Q275, Q345B, S235, S235jr, S355, S355jr, SS400, SS330, STK490,St33, St37, St52/ ASTM A36, A53, A106
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Surface
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Oil, bared, black paint, galvanized
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End finish
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Plain end
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Technique
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hot rolled, welded(erw)
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MOQ
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25tons
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Usage
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Civil engineering, architecture, steel towers, shipyard, scaffoldings, struts, piles for suppression of landslide and other structures
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Shipment
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by bulk or load into 20ft / 40ft containers
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Delivery time
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Prompt delivery, or as order's quantity.
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Payment Terms
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T/T or L/C at sight
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Price term
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Ex-work,FOB,CIF,CFR,etc.
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Packing
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Export standard package, suit for all kinds of transport, or as required.
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| Outer Diameter | Wall Thickness | Length | |
| Inch | mm | mm | meter |
| 1/2" | 20mm | 0.8mm-2.0mm | 0.3m-12m |
| 3/4" | 25mm | 0.8mm-2.0mm | 0.3m-12m |
| 1" | 32mm | 0.8mm-2.0mm | 0.3m-12m |
| 1-1/4" | 40mm | 0.8mm-2.0mm | 0.3m-12m |
| 1-1/2" | 47mm | 1.0mm-2.5mm | 0.3m-12m |
| 2" | 60mm | 1.0mm-2.5mm | 0.3m-12m |
| 2-1/2" | 75mm | 1.0mm-2.5mm | 0.3m-12m |
| 3" | 88mm | 1.0mm-2.5mm | 0.3m-12m |
| 4" | 113mm | 1.0mm-2.5mm | 0.3m-12m |
| 5" | 140mm | 1.0mm-2.5mm | 0.3m-12m |
| 6" | 165mm | 1.0mm-2.5mm | 0.3m-12m |

Galvanized steel pipe is a widely used piping system material with properties such as corrosion resistance, pressure resistance and weather resistance, making it widely used in many fields. The following are the application areas of galvanized steel pipes:
Construction field: Galvanized steel pipes are used in plumbing systems, water supply pipes, stair handrails, railings, etc. in building structures. Due to their corrosion resistance, galvanized steel pipes are also often used in outdoor pipes and structures.
Municipal field: Mainly used for transporting tap water, sewage, gas and heat pipes, withstanding high pressure and strong corrosiveness.
Fire protection field: Galvanized steel pipes are used as fire water supply pipes, and their outer layer is usually coated with a layer of paint to improve corrosion resistance and extend service life.
Industrial fields: Galvanized steel pipes are used in the oil and gas industry for oil wells and oil field pipeline transportation and storage. They are also widely used in the field of mechanical processing, such as the manufacturing of vehicles, trains, airplanes and other transportation vehicles.
Highway and bridge fields: Galvanized steel pipes are used in protective guardrails, bridge supports, tunnel ventilation ducts, etc.
In addition, galvanized steel pipes are also used in many manufacturing industrial fields such as electric power, railway vehicles, automobile industry, containers, sports facilities, agricultural machinery, petroleum machinery, and mining machinery. Galvanized steel pipes are divided into hot-dip galvanized steel pipes and cold-dip galvanized steel pipes. Hot-dip galvanized steel pipes are generally considered more suitable for applications with long-term exposure to the environment due to their more uniform coating and stronger corrosion resistance.


We HDSTEEL GROUP, consisit from Hebei Province Dianli Pipe Fitting Co., Ltd and Cangzhou Hongding Pipe Industry Co., Ltd(Hereafter abbreviated as HD-STEEL) is located along the famous "Elbow Capital"-Yanshan industrial zone, Cangzhou City, Hebei Province since 1997.
We group specializes in the production of pipe fittings, flanges and anti corrosion line pipes, steel inventory, domestic and foreign sales. We are committed to providing one-stop service for steel pipe products to customers around the world. And has leading technology of steel pipe fittings and flanges production and research at home and abroad, advanced and complete testing facilities .We strictly in accordance with API, ASME(ANSI), EN, DIN, JIS, GOST, GB/T, ISO standard quality management system for on-site management, our products have been inspected and approved by SGS, BV, MOODY, TUBOSCOPE and other international authoritative third-party organizations
Our company adheres to the principles of "customer first", "quality first" and "credibility first" and is willing to establish a long-term cooperative relationship with you with our strong economic strength, advanced management experience and high-quality service for mutual benefit and common success.
Q:Can I Get A Sample For Testing?
A:Yes, We Can Provide Samples.
Q:Is It Safe On The Payment For Me As We Are The First Cooperation?
A:We Can Do The Trade Assurance On Made-In-China, Which Will Guarantee Your Payment Safety, We Also Accept Other Safe Payment Way As You Want.
Q:Do You Accept Product Customization?
A:Yes, We Can Accept Material Customization, Specification Model Customization, Drawing Customization, Packaging Customization.
Q:Can I Put Our Logo On The Product?
A:Yes, We Can Provide You With Laser Engraving Logo And Sticker Logo For Free.
Q:What Is The Moq?
A:For Trial Order, We Can Sell Even One Piece
Q:How Long Is The Product Warranty Period?
A:One Year, If The Product Is Non-Artificially Damaged During The Warranty Period, We Can Provide You With A New Product For Free.
Q:How Long Is The Delivery Time?
A:If We Have Stock, We Will Ship Within 5 Days, If There Is No Stock, We Will Ship Within 7-30 Days.
Q:Do You Accept Oem/Odm Service?
A:Yes, We Can Produce Products According To Your Requirements.