Galvanized Steel Seamless Tube Supplier | High-Pressure Fluid Transport | Full Size Range
Single Random Length and double Random Length.
SRL:3M-5.8M DRL:10-11.8M or As clients requested length<br>
fixed length(5.8m, 6m, 12m)
Surface：Mild steel plain finish, hot dip galvanized, color coated, ect
Standard：ASTM，AISI，JIS,GB， DIN,EN
Products can be customized
Email: [email protected]
WhatsApp/WeChat/Mobile：+86-18753135285
Galvanized Steel Seamless Tube performance parameters
| Product Name | Galvanized Steel Seamless Tube |
|---|---|
| Material | Carbon steel: Q195-Q420Series, SS400-SS540Series, S235JR-S355JR Series, ST Series, A36-A992 Series, Gr50 Series, etc |
| Model | 1/2"-48" (DN15mm-1200mm) |
| Pipe Length |
1. Single Random Length and double Random Length. 2. SRL:3M-5.8M DRL:10-11.8M or As clients requested length 3. fixed length(5.8m, 6m, 12m) |
| Surface Treatment | Mild steel plain finish, hot dip galvanized, color coated, ect. |
| Zinc coating | 30-275g/m2 |
| Standard | ASTM A53 Gr.A, BS1387 |
| Place of Origin | Shandong, China |
| Delivery time | 7-15 days |
| Certificate | API5L, ISO 9001:2008, SGS, BV, CCIC,CE |
| Supply capacity | 20,000 tons/year |
| MOQ | 1 ton |
| Trade Terms | FOB, CIF, CFR, EXW, FCA, FAS, etc. |
| Payment | TT, LC, We can negotiate |
| Tests | Chemical Component Analysis, Mechanical Properties, Technical Properties, Exterior Size Inspection, hydraulic testing, X-ray Test. |
| Application | liquid delivery, Structure pipe construction, petroleum cracking, oil pipe gas pipe |
| Advantages |
1.Reasonable price with excellent quality 2.Abundant stock and prompt delivery 3.Rich supply and export experience, sincere service 4.Reliable forwarder, 2-hour away from port. |
Advantages of Our Galvanized Steel Seamless Tube
Superior High-Pressure Capacity and Overall Safety
Unlike welded pipes, our galvanized seamless tubes are manufactured from solid round steel via piercing, leaving no weak weld points. This monolithic structure allows them to withstand extreme fluid pressure and mechanical stress. Combined with hot-dip galvanizing, they provide top-tier corrosion protection while maintaining high-pressure resistance, making them the premier safety choice for oil, chemical, and high-pressure fire systems.
Comprehensive Internal & External Corrosion Resistance and Fluid Purity
Utilizing advanced hot-dip processes, our seamless pipes achieve simultaneous internal and external galvanization. The thick, uniform zinc layer covers the inner surface, effectively solving the issues of internal rust and scaling common in traditional steel pipes. This not only extends the service life but also ensures the purity of the transported media (such as water, air, or oil) and reduces the risk of pipe blockages.
Excellent Machinability and Harsh Environment Adaptability
Our galvanized seamless tubes feature excellent wall thickness uniformity and machinability. During bending, flaring, or threading, the zinc coating maintains exceptional adhesion without flaking. Its rugged nature allows it to adapt perfectly to harsh environments such as coastal, humid, or high-temperature areas, providing a low-maintenance solution for outdoor infrastructure and heavy machinery for decades.
Packaging style of Galvanized Steel Seamless Tube
FAQs
Is galvanized seamless tube safer than galvanized welded pipe in high-pressure fluid systems?
Yes. Seamless tubes have no weld seams, eliminating the risk of high-pressure bursts due to welding defects. They possess superior overall structural strength and torque resistance, allowing them to handle much higher working pressures safely, making them the preferred choice for critical systems like fire protection, hydraulics, and gas transport.
How do you ensure the internal wall is fully covered with zinc? Is this important for corrosion resistance?
We use the hot-dip galvanizing process, ensuring that when the pipe is submerged in the zinc bath, a uniform alloy layer forms simultaneously on both the internal and external walls. Internal galvanization is crucial for fluid transport as it prevents internal rusting and scaling, ensuring media purity and preventing wall thinning caused by internal corrosion.
Do your galvanized seamless tubes comply with ASTM A53 or ASTM A106 standards?
Yes. Our products are manufactured strictly in accordance with international standards such as ASTM A53 Grade B or ASTM A106 Grade B. The Mill Test Certificate (MTC) provided with each shipment clearly records chemical composition, mechanical properties, and average zinc coating mass, ensuring compliance with your engineering specifications.
If I weld the pipes on-site, will the zinc layer at the weld be burned off? How can I fix it?
High temperatures during welding will damage the zinc coating around the weld. We recommend cleaning the weld slag first and then immediately applying a zinc-rich cold primer to the affected area. This restores the corrosion resistance and prevents localized rusting.
Will seamless tubes develop white rust during long-term storage? How do you pack them?
Long-term storage in humid, unventilated environments can lead to white rust. To prevent this, our pipes undergo passivation treatment and are packed in waterproof woven bags. We recommend storing the tubes in a dry, ventilated indoor area and keeping them off the ground to maximize surface integrity.
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