| Material |
10#, 20#, 45#, 16Mn, A53(A,B), Q235, Q345, Q195, Q215, St37, St42, St37-2, St35.4, St52.4, ST35 |
| Wall Thickness |
0.5MM~25MM |
| Size |
10x10-600x600mm |
| Length |
Length:Single random length/Double random length
5m-14m,5.8m,6m,10m-12m,12m or as customer's actual request |
Standard |
API 5L, ASTM A53-2007, ASTM A671-2006, ASTM A252-1998, ASTM A450-1996, ASME B36.10M-2004, ASTM A523-1996, BS 1387, BS EN10296, BS 6323, BS 6363, BS EN10219, GB/T 3091-2001, GB/T 13793-1992, GB/T9711 |
| Grade |
Grade A, Grade B, Grade C |
| Surface Treatment |
1. Galvanized,color painting or others
2. Transparent oil,anti-rust oil
3. According to clients requirement |
| Product Application |
1. Fence, greenhouse, door pipe,greenhouse
2. Low pressure liquid, water, gas, oil, line pipe
3. For both indoor and outdoor the building construction
4. Widely used in scaffolding construction which is much cheaper and convenient |
| Origin |
ShanDong China |
| Delivery Time |
Usually within 5-7 days after receipt of advance payment |
Square tube is a hollow square cross-section lightweight thin-walled steel tube, also known as steel cold-bent profile. It is a square section steel with a square cross-section shape and size made of Q235 hot-rolled or cold-rolled strip or coil as the base material, cold bending and then high-frequency welding. In addition to the thickening of the wall thickness, the corner size and edge straightness of hot-rolled extra thick-walled square tubes reach or even exceed the level of resistance welded cold-formed square tubes.
It has good comprehensive mechanical properties, good weldability, cold and hot processing properties and corrosion resistance, and has good low-temperature toughness.
The uses of square tubes include construction, machinery manufacturing, steel construction and other projects, shipbuilding, solar power generation brackets, steel structure engineering, power engineering, power plants, agricultural and chemical machinery, glass curtain walls, automobile chassis, airports, boiler construction, highway railings, House construction, pressure vessels, oil storage tanks, bridges, power station equipment, lifting and transportation machinery and other higher load welded structural parts, etc.
Shandong Xinhe International Trading Co., Ltd. is a manufacturer specializing in the production of carbon steel. We have our own production factory and complete logistics system. We mainly produce and sell steel plates, steel coils, steel rods, steel pipes, etc. We can also customize them according to customer requirements. Welcome to contact me
1.Q: Are you a manufacturer or trader?
A: We are a professional steel manufacturer.
2.Q: How is your Payment Term?
A:One is 30% deposit by TT before production and 70% balance against copy of B/L;
the other is Irrevocable L/C 100% at sight.
3.Q: Can we visit your factory?
A: Warmly welcome. Once we have your schedule, we will arrange the professional sales team to follow up your case.
4.Q: Can you provide sample?
A: Yes, for regular sizes sample is free.
5.Q:Why choose our company ?
A:(1)We are specialized in this industry for more than 10 years
(2) We have excellent export services
(3) Currently, we have partners in many countries around the world.
6.Q: What's your market ?
A:South American/Africa/Middle East/Europe/Korea/Russian Federation ETC.
7.Q: What's your delivery time ?
A:Regular lead time is 5-7 days after received deposit.
Audited Supplier 
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