Factory Wholesale Price Black ERW Welded Galvanized Steel Tube
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Product Highlights
- Wide Material Selection: Available in A53, A106, 16Mn, Q235, Q345, St37, St52 and more grades.
- Customizable Dimensions: Outside diameter 21.3mm-406.4mm and length tailored to customer requirements.
- Robust Surface Treatment: Black finish with zinc coating ranging from 60 to 500 g/m2 for corrosion resistance.
- Flexible Payment Options: Supports T/T, L/C, D/P, D/A, and Western Union for regular clients.
- High Supply Capacity: Monthly supply capability of 10,000 metric tons ensures timely delivery.
- Multiple Standards Compliance: Meets JIS, GB, DIN, BS, and ASTM international standards.
- Versatile Application: Ideal for pipeline transport, construction, furniture, and sports equipment.
- Fast Delivery Time: Production completed within 10 to 25 days based on order specifications.
Product Attributes
- Customization
- Available
- Type
- Welded
- Technique
- Hot Rolled
- Model NO.
- BST(ZL)
- Material
- Carbon Steel
- Surface Treatment
- Black
- Usage
- Pipeline Transport, Machinery Industry, Construction & Decoration, Special Purpose
- Section Shape
- Round
- Steel Grade
- Q195 Q235 Q345 Grade a&B Ss400
- Similar Products
- RW Pipe/Spiral Saw Pipe
- Grade
- 10#-45#, 16mn, A53-A369, Q195
- Transport Package
- Standard Export Seaworthy Packing
- Specification
- CE, SGS, BV
- Trademark
- BST001
- Origin
- Heibe, China
- HS Code
- 730661
- Production Capacity
- 50000tons Per Month
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Product Description

| Outside Diameter | 21.3mm~406.4mm |
| Tolerance of OD | +/-1% |
| Wall Thickness | 0.5mm--25mm |
| Tolerance of WT | +/-8% |
| Length | 0.5 ~ 5.8/ 6/ 11.8/ 12Meter or per customers' requirement |
| Brand Name | CNXYL |
Material |
A53(A,B),A106(B,C), 16Mn,Q235,Q345, St37,St37-2,St52 |
Standard |
JIS G3444-2006 GB 6479-2000, GB/T 3091 DIN1626,DIN2444 BS 1387,BS EN10217 ASTM A53-2007,ASTM A213-2001 |
| Zinc coating | 60 ~500 g/m2 |
| Usage | For low pressure liquid delivery, such as water,oil and gas. |
| For construction, fence, threading pipe, rolling doors, metal frame, support tube, furniture, sports equipment, etc. |
|
Payment |
1.T/T:30% T/T advance,70% balance copy of B/L 2.L/C:at sight 3.T/T and L/C:40% T/T advance,60% L/C 4. D/P, D/A more flexible payment for regular client. |
| Trade Term | FOB/C&F/CIF |
| Delivery Time | 10~25 Days According to size and specifications of each order. |
Package |
1.Large OD: in bulk |
| 2.Small OD: Packed by steel strips | |
| 3.Woven cloth with 7 slates | |
| 4.As per to clients | |
| Supply Ability | 10,000 metric tons per month |
| MOQ | 10 metric tons |
| Shipment Port | Tianjin, Xingang |




About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASR2411188". Items marked "" are certified.
Company Profile
Guangzhou Zhonglian Building Material Co., Ltd. Has won favorable reputation through 16 years growth and development. Serving 60 countries and regions in the world, including Southeast Asia, Africa, South America, French island countries, Pacific island countries. At present, major product lines such as Steel products, Prefabricated Steel structure and Building Materials have been formed, which will continue to develop in deeper profession and brand building.
For Prefabricated Steel structure, is composed of steel material structure. The Structure is mainly made of profile steel and steel plate, steel column, steel truss girder artifacts, such as weld is required between each components or parts, bolt connection. The weight is lighter, the construction is simple with installation at short time, widely used in large factories, stadiums, high-rise, and other fields.
It can be produced as a steel structure warehouse, steel structure house, steel structure school, hospital, steel structure packing, mall, hotel, temporary house, temporary working area, show room, dormitory building etc.
For Building materials: We take design and quality as the core, we are driven by material and process research and development, we are the international leading medium and high end one-stop project solution provider which provides the integration of original design, engineering construction, materials selection and purchase, whole house customization, soft furnishing and after-sales service for customers.
Our Head office is located in Guangzhou City with 500 square meters offices and 200 square meters showrooms. We also have branch offices and warehouse in Foshan and Yiwu. We are 13 years audited golden supplier of ******. We often attend the famous exhibition of domestic and oversea every year, such as Canton fair, Worldbex In Philippines, AfricaExpo In Tanzania, Batimat in France etc. We have established and continuously improved the management system. Zhonglian Team is always full of passion to carry our mission: We Serve, We Build, Happy life.
About Our Factory & Business Background
- Address
- The 5th Floor, Block C2#, Poly Tal To Wun, Hanxi Avenue East, Panyu, Guangzhou, China
- Terms of Payment
- LC, T/T, D/P, Western Union, Small-amount payment, Money Gram
- International Commercial Terms(Incoterms)
- FOB, CIF, EXW
- Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays - Nearest Port
- Guangzhou, Shenzhen, Foshan
Our Production Capability & Technical Expertise
Our Industry Experience & Global Business Record
- Export Year
- 2000-09-01
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- What is the minimum order quantity?
- The minimum order quantity is 10 metric tons.
- Can the tube dimensions be customized?
- Yes, outside diameter ranges from 21.3mm to 406.4mm, and length can be customized per customer requirements.
- What payment terms do you accept?
- We accept T/T (30% advance, 70% balance), L/C at sight, D/P, D/A, and Western Union.
- What are the available material grades?
- Available grades include A53, A106, 16Mn, Q235, Q345, St37, St52, and others.
- How long does delivery take?
- Delivery time is typically 10 to 25 days, depending on size and specifications.
- What standards do your products meet?
- Products comply with JIS G3444, GB 6479, DIN 1626, BS 1387, ASTM A53, and other international standards.
- What is the supply capacity?
- We can supply up to 10,000 metric tons per month.
- Where is the shipment port?
- Shipment ports include Tianjin, Xingang, Guangzhou, Shenzhen, and Foshan.
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