Products Description
Our 3 inch 304L stainless steel tube boasts outstanding advantages: excellent resistance to oxidation and chemical corrosion, suitable for harsh environments; high surface finish, reducing dirt accumulation and facilitating maintenance; and good formability, allowing for customized processing according to project requirements. The 3 inch stainless steel tube refers to the tube with an outer diameter of 3 inches, featuring a reasonable structure that ensures smooth fluid flow and strong load-bearing capacity. As a key variant, the 304L stainless steel tube is made of 304L stainless steel, which has lower carbon content compared to standard 304 stainless steel, effectively reducing intergranular corrosion risk and enhancing weldability-an essential advantage for complex installation scenarios.



Product Specifications
We offer flexible customization for our 3 inch 304l stainless steel tube. Beyond standard specifications, wall thickness, length, and surface treatment can be tailored to match your specific project requirements, ensuring perfect compatibility with your applications.
|
Outer Diameter |
3 inch (76.2mm) |
|
Wall Thickness |
0.5mm - 10mm (Customizable) |
|
Length |
3m, 6m, 12m (Customizable) |
|
Surface Treatment |
Bright Annealed, Polished, Pickled |
|
Application |
Chemical Industry, Water Supply, Construction, Food Processing |
The 304L stainless steel used in our tube features a low-carbon composition, with strict control over elements like Cr (18.00-20.00%) and Ni (8.00-12.00%), which is the key to its excellent corrosion resistance and weldability.
| C | Si | Mn | P | S | Cr | Ni | N |
| ≤0.03 % | ≤1.00 % | ≤2.00 % | ≤0.045 % | ≤0.030 % | 18.00 % - 20.00 % | 8.00 % - 12.00 % | ≤0.10 % |
Our 3 inch 304l stainless steel tube boasts reliable mechanical properties, including high tensile strength (≥485 MPa) and good elongation (≥40%), ensuring strong load-bearing capacity and formability in various scenarios.
| Tensile Strength (σb) | Yield Strength (σ0.2) | Elongation (δ5) | Hardness (HB) |
| ≥485 MPa | ≥170 MPa | ≥40% | ≤201 HB |
Factory Strength
Jiangsu Cunrui Metal Products Co., Ltd. is a professional manufacturer of stainless steel products with a large-scale production base covering an area of over 2000 square meters. Our factory is equipped with advanced production lines, including automatic welding machines, precision cutting equipment, and testing instruments, with an annual production capacity of 5,000 tons of stainless steel tubes.



Factory Advantages:
Competitive Price
Relying on bulk procurement of raw materials and efficient production processes, we minimize production costs to provide customers with reasonable and competitive prices.
Comprehensive Testing
We have a professional testing team and perfect testing procedures to conduct strict inspections on raw materials, semi-finished products, and finished products.
Complete Certifications
Our products have obtained ISO9001 Quality Management System Certification, ASTM, JIS, and other international certifications, meeting the quality requirements of different markets.
Tariff Avoidance Service
We cooperate with professional third-party logistics companies to provide transshipment services through tax-friendly regions, helping customers reduce tariff costs.



Quality Control

Our 3 inch 304l stainless steel tube and other products have obtained a full set of certifications and testing reports, including material test reports (MTR), hydrostatic test reports, and flaw detection reports. We warmly welcome customers to visit our factory in person, communicate face-to-face with our team, and inspect the production process and product quality on the spot.
With reliable product quality, competitive prices, and thoughtful services, we have established long-term and stable cooperative relationships with customers from more than 20 countries and regions, including the United States, Germany, Australia, and Southeast Asia. Most customers are willing to continue cooperating with us after the first cooperation, which is the greatest recognition of our products and services.

Packaging & Logistics
Products are packaged with anti-rust paper, plastic film, and steel strips to prevent scratches and corrosion during transportation. Customized packaging is available according to customer requirements.




We cooperate with well-known international logistics companies (such as DHL, FedEx, and Maersk) to provide sea, air, and land transportation services. We can accurately arrange transportation plans according to customer's delivery time requirements, ensuring that goods are delivered to the destination safely and on time. For large orders, we also provide door-to-door delivery service for convenience.

FAQ
Q1: Are you a trading company or a manufacturer?
A: We are a direct factory with production lines and factories. Everything is flexible and there is no need to worry about the exact charges of middlemen or traders.
Q2: Do you test the goods before delivery?
A: Yes, of course. We must test the goods before delivery. We guarantee the quality.
Q3: What should I do if l want a sample?
A: We can provide samples for free, but we do not cover the shipping cost
Q4: When is your delivery time?
A: It depends on the order, Usually, it will be within 15-30 days after receiving your advance payment.
Q5: Can l add my own logo to your products?
A: Yes! We accept any custom logos. Just send your design in PDF format to us. Al or high-resolution JPG, We will send you a layout diagram with your logo on our products for your inspection. The setup cost will be quoted per piece of art.

If you are interested in our 3 inch 304l stainless steel tube, please feel free to contact us



