Q215A Galvanized Steel Pipe/Tube
- Alloy or Not: Non-alloy
- Type: Welded pipe
- Technique: ERW/HFW, EFW, DSAW/SSAW etc.
- Size: As requested; details see product parameters
- Section Shape: Round, Square, Rectangular, Oval, etc.
- Galvanization: Hot-dip, Electro, Pre
- Processing Service: Cutting, Punching, Bending, Welding, Decoiling, etc.
- Certification: ISO 9001, CE
- Inspection: SGS, TUV, Factory Inspection
- Origin: Hubei/Henan/Jiangsu, China
- Port: Qingdao, Tianjin, Lianyungang
- MOQ: 5 tons (or as per negotiation)
- Delivery Time: 8-14 Days
- Payment: T/T, L/C
Product Detail
Q215A galvanized steel pipe is a great option if you’re looking for something durable and cost-effective. It’s a low-carbon steel pipe coated with zinc, which helps protect it from rust and corrosion, especially in outdoor or humid conditions.
While it’s not stainless steel, the zinc layer gives it relatively good durability for many applications. The most common galvanizing process we use is hot-dip galvanizing, where the pipe is dipped into molten zinc to form a strong, protective layer. We can also provide other common galvanizing services, such as electro-galvanizing and pre-galvanizing, as long as you require.
Plus, it’s easy to cut, shape, and weld, so it’s really versatile. You’ll often see it used in construction, plumbing, and even for things like fences and handrails. It’s a reliable choice with affordable cost for projects where you need strength and rust resistance.
Contact us if you are unfamiliar with this product or have questions unsolved.
Features
We believe our Q215A galvanized steel pipe/tube could bring the following benefits to your project:
- Rust-Free Longevity – The galvanized coating keeps it rust-free for longer use.
- Strong & Durable – Handles pressure and impacts—built to last.
- Easy to Install – Lightweight, making transport and setup a breeze.
- Low Maintenance – Minimal upkeep thanks to the protective coating.
- Eco-Friendly – Fully recyclable—better for the planet.
- Multiple Sizes – Options for every need, from construction to furniture.
Applications
Construction
Scaffolding, building frames, handrails, support beams, etc.
Automotive
Exhaust systems, roll cages, frames, structural reinforcements, etc.
Marine
Boat frames, docks, mooring structures, gangways, etc.
Telecommunications
Antenna masts, satellite towers, communication equipment supports, etc.
Renewable Energy
Solar panel mounts, wind turbine frames, biomass plant structures, etc.
Public Infrastructure
Street light poles, guardrails, road barriers, pedestrian bridges, etc.
Product Parameters
| Parameter | Details | |
|---|---|---|
| Standard | GB/T 700, GB/T 3091, GB/T 3092-1993, GB/T 13912, ISO 1461, EN 10240, GB/T 21835, GB/T 13793, JIS G3452, JIS G3444, GB 3640-88, etc. | |
| Grade | Q215A | |
| Deoxidation Method | F (Rimmed), Z (Killed), TZ (Special Killed) | |
| OD (Outer Diameter) | Pipe | 21.3 – 219 mm; or as requested |
| Tube | 10 – 114 mm; or as requested | |
| WT (Wall Thickness) | Pipe | 2.0 – 12.0 mm; or as requested |
| Tube | 0.5 – 6 mm; or as requested | |
| Length | Pipe | Standard 6m or 12m; or as requested |
| Tube | Standard 6m; or as requested | |
| Tolerance | ±1%, or as requested | |
| Section Shape | Round, Square, Rectangular, Oval, etc. | |
| Galvanization | Hot-Dip Galvanizing, Electro-Galvanizing, Pre-Galvanizing | |
| Zinc Coating | Z30-600 g/m² | |
| Technique | 1) Electric Resistance Welding / High-Frequency Welding (ERW / HFW) ; 2) Electric Fusion Welding (EFW) ; 3) Double Submerged Arc Welding / Spiral Submerged Arc Welding (DSAW / SSAW) |
|
| End | Plain (PE), Beveled (BE), Threaded (TE), Grooved, or as requested | |
| End Protector | Plastic caps, Metal end caps | |
| Pipe Fittings | Elbows, Tees, Couplings, Threaded, Flanges, Caps, etc. | |
| Surface Treatment | 1) Skin Pass, Sand Blasted 2) Pre-painted 3) Galvanized 4) Oiled 5) Passivated 6) 3LPE, FBE, or other anti-corrosive coatings 7) As requested |
|
| Testing Method | Hydrostatic Test, NDT, Tensile Test, Bending Test, Adhesion Test, Coating Thickness Test, etc. | |
| Application | Scaffolding, handrails, support beams, exhaust systems, building frames, guardrails, road barriers, street light poles, communication equipment supports, etc. | |
| Certification | Approved by ISO 9001, CE | |
| Packaging | Standard seaworthy packing, or as requested | |
Material Specifications
Chemical Composition
| Grade | Carbon, C | Silicon, Si | Manganese, Mn | Phosphorus, P | Sulfur, S | Chromium, Cr | Nickel, Ni | Copper, Cu | Arsenic, As | Nitrogen, N |
|---|---|---|---|---|---|---|---|---|---|---|
| Q215A | ≤0.15 | ≤0.35 | ≤1.2 | ≤0.045 | ≤0.05 | ≤0.3 | ≤0.3 | ≤0.3 | ≤0.08 | ≤0.008 |
*According to GB/T 700-2006.
*Cr, Ni, Cu, N, and As are residual elements.
Mechanical Properties
| Diameter, mm | Tensile Strength, MPa | Yield Strength, MPa | Elongation % |
|---|---|---|---|
| ≤16 | 335~450 | ≥215 | ≥31 |
| ＞16～40 | 335~450 | ≥205 | ≥31 |
| ＞40～60 | 335~450 | ≥195 | ≥30 |
| ＞60～100 | 335~450 | ≥185 | ≥29 |
| ＞100～150 | 335~450 | ≥175 | ≥27 |
| ＞100～200 | 335~450 | ≥165 | ≥26 |
*According to GB/T 700-2006.
Why Choose Us
Consistent Quality
We address your primary coating quality concerns with Q215A galvanized steel pipes/tubes — such as coating uniformity, potential missed spots, and coating adhesion — through continuous hot-dip galvanizing processes & strict control of temperature and timing, non-destructive thickness testing with magnetic gauges, and multi-step-pre-treatment, including acid cleaning and surface preparation, to ensure consistent performance, corrosion resistance, and long-lasting durability across various environments.
Precise Dimensions
We guarantee the dimensional accuracy of our Q215A galvanized steel pipes/tubes, maintaining tight tolerances within ±0.01mm through precision equipment and ISO 9001-certified processes. Every batch undergoes 100% inspection, with zero deviation complaints in the past 5 years. We ensure smooth project execution without installation delays.
Stable Supply
We have 3 factories with a combined annual capacity of over 500,000 tons. In the event of any unforeseen circumstances, we can coordinate across factories to ensure stable production and on-time delivery.
Stable & Competitive Pricing
We maintain upstream raw material suppliers with price-lock agreements in place to effectively manage material cost fluctuations. Also, considering that our clients may face pressure from market changes, we will try our best to offer reasonable discounts to both new and existing clients.
Secure Packaging & Shipping
Packaging can be customized according to your requirements. We provide transparent, real-time photos of the packaging and loading process for your verification. You can also choose your trusted freight forwarder for transportation to ensure the entire logistics process is secure and reliable.
About Us
Founded in 1999, SteelPRO Group operates three factories with a combined annual production capacity of over 500,000 tons. We specialize in manufacturing a wide range of steel products, including round steel, profiles, plates, and pipes. Our portfolio encompasses low-alloy structural steel, tool steel, special steel, and more.
With strict adherence to global standards such as GB, ASTM, DIN, EN, and JIS, we ensure high-quality products, including heat-treated, machined, and prestressed steel. Our solutions are trusted by customers in diverse industries, and we proudly export to different countries across Europe, North America, and Asia.
At SteelPRO, we are dedicated to delivering tailored steel solutions and growing alongside our dear clients.
Certification
FAQ
What are your prices?
Our prices are subject to change depending on supply and market conditions. For an accurate and up-to-date quote, please contact our sales team directly.
Can you provide relevant documentation?
Yes, we can provide a wide range of documentation, including Certificates of Analysis/Conformance, Insurance, Certificates of Origin, and any other required export documents.
What is the average lead time?
As per mass production, the lead time is 5-20 days after:
1) we have received your deposit; 2) we have received your final confirmation on your orders.
If our lead time doesn’t meet your deadlines, please contact our sales directly in advance in case of any potential issues. We will try to accommodate your needs in all cases, and we are able to do so in most cases.
Can you provide free samples?
Yes, we can provide free samples for quality evaluation. However, shipping costs are generally covered by your company.
Can I visit your factory?
Of course! We welcome customers to visit our factory! Please contact us in advance to arrange a convenient time for your visit, and we will gladly organize a tour and provide any necessary information to ensure a productive visit.
Our Service
SteelPRO Group – manufacturer and solution provider for special steel, offering multi-industry application solutions and customised services, 100% quality free, accompanying customers in their growth!
Our Quality Control
- Roundness
- Tolerance
- Microstructure
- Non-Destructive Testing
- Destructive Testing
- Process Control
Service Integration Processing
- Welding
- Metal Fabrication
- CNC Machining
- Lathe
- Forming
