| Product Name | Hot-dipped Galvanized Square Pipe |
Material | There are various types of steel available for use in different industries, such as construction and manufacturing. Some of the most commonly used types are Q195, Q215, Q235, and Q345, which are all low carbon steels. Additionally, other popular options include SS400, A53, and A106, which also fall under the category of low carbon steel. These materials are chosen for their reliability, durability, and strength, making them ideal for a wide range of applications. No matter the project at hand, selecting the right type of steel can make all the difference in ensuring success and achieving desired outcomes. |
Standard | GB/BS/ASTM/DIN/JIS |
Zinc Coating | 30-275g/m² according to thickness difference |
Size(mm) | 15*15, 19*19, 20*20, 25*25, 30*30, 32*32, 35*35, 38*38, 40*40, 50*50, 60*60, 75*75, 80*80, 100*100. |
Thickness | 0.3mm-4.5mm |
Length | 1-12m as customers request |
Delivery Time | Usually 10-20 days |
Packing | We offer bundles that come with a water-resistant bag or can be customized to meet the unique requirements of our customers. Our products are designed to cater to various needs and preferences, ensuring customer satisfaction. Choose from our range of bundled items and enjoy the convenience of having everything you need in one package. Whether you need a travel kit, sports gear, or outdoor essentials, we have got you covered. Trust us to provide you with high-quality products that meet your expectations. |

We have a wide variety of steel grades available, including Q195, Q215, Q235, Q345, as well as SS400, A53, A106, and Low Carbon Steel. Our comprehensive selection ensures that customers can find the right steel grade for their specific needs.
(mm)8*8-200*200,(mm)0.3-4.5。,。
3. Standard: GB/BS/ASTM/DIN/JIS
4. Certification: ISO9001, SGS, BV, CE
5. Supply Ability: 2000 Ton/Tons per Day
The packaging details for our product include bundles or bundles wrapped in a plastic bag. We ensure that the items are securely packaged to provide maximum protection during transportation.
7. Port: Any Port in China
Product Size Table
Square Pipe | Thickness(mm) | Standard | Grade |
15*15 | 0.8-1.3 | GB/T6728-2002, ASTM A500 | Q195-Q235, SS400, ST37-2, STK400, STK500, 16Mn |
20*20 | 0.8-2.0 | ||
25*25 | 0.8-2.75 | ||
30*30 | 0.8-2.75 | ||
40*40 | 1.0-4.0 | ||
50*50 | 1.0-4.0 | ||
60*60 | 1.5-4.0 | ||
70*70 | 1.5-5.0 | ||
80*80 | 1.5-5.0 | ||
100*100 | 2.0-6.0 | ||
110*110 | 2.0-6.0 | ||
120*120 | 2.0-8.0 | ||
140*140 | 3.0-8.0 | ||
150*150 | 3.0-8.0 | ||
200*200 | 3.0-10.0 | ||
250*250 | 3.0-8.0 | ||
300*300 | 3.0-8.0 | ||
Factory Introduction
Located in Wuxi City, China, our factory has been in operation since 1979. We have a wealth of experience in the industry and are committed to providing quality products and services to our customers. With our dedication to excellence, we have established ourselves as a trusted and reputable manufacturer in the region. Our focus on customer satisfaction and our attention to detail have been key factors in our success. We are proud to be a part of the thriving business community in Wuxi City and look forward to serving our customers for years to come.
Our company has 40 years' experience in manufacturing hot dipped galvanized steel strip / coil; pre galvanized steel tube and galvanized steel wire etc. We have been in this line for more than 38 years And a factory with more than 200000 square meters, our output capacity reaches 2000 tons everyday.

Our Service
Step one: Before producing, we would check the material which should be strictly the same as mass production.
Step two: When the order is producing, we have producing management department and professional laboratory to make the testing and ensure the quality. Whats more, we also have regular inventory, so the delivery time is approxiamte 15-25 days.
Step three: Every product quality checked before packing .Clients could send one QC or point the third party to check the quality before delivery.
Finally: We have document department to ensure all documents satisfy with customs' requirements.
FAQ
Q1: Are you trading company or manufacturer?
A: We are factory.
Q2: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
Q3: Do you provide samples ? is it free or extra?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q4: What is your terms of payment?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance , balance before shippment.
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