- sales@bereketpipes.com
- Addis Ababa, Ethiopia
Home > Stainless Steel > Stainless Steel 439 Tubing
Bereket Pipes, located in Addis Ababa, Ethiopia, has earned a solid reputation as a reliable manufacturer and supplier of Stainless Steel 439 Tubing. This tubing is celebrated for its exceptional quality, durability, and resistance to corrosion. The company specializes in crafting precision-engineered tubing solutions that adhere to international standards, guaranteeing dependable performance across industrial, commercial, and automotive sectors. Bereket Pipes’ Stainless Steel 439 Tubing is built to endure high temperatures and tough conditions, ensuring it delivers long-lasting service and consistent results. With a strong emphasis on quality and reliability, Bereket Pipes offers tubing that strikes a perfect balance between strength, formability, and cost-effectiveness to meet a variety of operational demands.
The composition of Stainless Steel 439 Tubing primarily includes iron, along with 17–19% chromium, low carbon content, and trace amounts of titanium, which enhance its weldability and corrosion resistance. This tubing boasts a tensile strength of about 415 MPa, a yield strength of roughly 240 MPa, and an elongation of 20%, showcasing its impressive mechanical strength and durability. These characteristics make it resistant to oxidation, scaling, and wear, ensuring it performs reliably in both high-temperature and mildly corrosive settings.
| GRADES | TP 439 Stainless Steel Tubes / UNS S43035 / DIN 1.4510 |
| SIZE | 1/2″ NB to 24″ NB |
| STANDARDS | ASTM A213, ASTM A249, ASTM A554, ASTM A269, ASTM A270, ASTM A790, ASTM A789 |
| TYPE | Seamless Tubes, Welded Tubes, EFW Tubes, ERW Tubes, Fabricated Tubes, Cold Drawn Welded Tubes (CDW Tubes) |
| FORM | Round Tubes, Square Tubes, Rectangular Tubes, Oval Tubes, Hydraulic Tube, etc. |
| END | Plain End, Treaded, Beveled End |
| TOLERANCE on Length | Commercial Length: 6000mm +/- 30mm Fix Length: from 1200 mm up to 12000mm with a tolerance up to -0/+ 5mm |
| FINISH | Seamless, Welded, Brushed, Pickled, Solution Annealed and Pickled up to O.D. 219.1mm, Polished Grit 120 – 600, Mirror Polished |
|
Grade |
WERKSTOFF NR. |
UNS |
|
SS 439 |
1.4510 |
S43035 |
|
Grade |
Fe |
Cr |
Si |
Ti |
Mn |
Ni |
Mo |
Nb/Cb |
P |
N |
C |
S |
|
SS 439 |
81.3535 |
17.35 |
0.35 |
0.335 |
0.25 |
0.200 |
0.1 |
0.02 |
0.02 |
0.0100 |
0.01 |
0.0015 |
Tensile strength (annealed) | 438 MPa | 63500 psi |
Yield strength (annealed/ @strain 0.200 %) | 263 MPa | 38100 psi |
Modulus of elasticity | GPa | ksi |
Poisson’s ratio | 0.270 – 0.290 | 0.270 – 0.290 |
Elongation at break (In 2″, 50% cold worked) | 2.80% | 2.80% |
Hardness, Rockwell B (annealed) | 72.9 | 72.9 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Choosing Stainless Steel 439 Tubing from Bereket Pipes and Tubes ensures high quality materials that resist corrosion and heat. Their materials offer excellent weldability, low risk of intergranular damage, and durability in tough materials. Bereket offers precision engineered tubing with strict quality control, ensuring reliability in the automotive, industrial and construction industries. Their customer service, competitive pricing and on-time delivery make them a trusted provider of stainless steel specialty solutions.
Bereket Pipes and Tubes, one of the largest suppliers of Stainless Steel 439 Tubing in Addis Ababa, Ethiopia, offers a comprehensive range of high-quality pipes and tubes suitable for various industrial applications. Their extensive inventory and commitment to exceptional service make them a go-to choice for stainless steel products in the region.
| Wall | Sizes ( O.D.) |
|---|---|
| .010 | 1/16″ , 1/8″ , 3/16″ |
| .020 | 1/16″ , 1/8″ , 3/16″ , 1/4″ , 5/16″ , 3/8″ |
| .012 | 1/8″ |
| .016 | 1/8″ , 3/16″ |
| .028 | 1/8″ , 3/16″ , 1/4″ , 5/16″ , 3/8″ , 1/2″ , 3/4″ , 1″ , 1 1/2″ , 2″ |
| .035 | 1/8″ , 3/16″ , 1/4″ , 5/16″ , 3/8″ , 7/16″ , 1/2″ , 16″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/4″ , 1 1/2″ , 1 5/8″ , 2″ , 2 1/4″ |
| .049 | 3/16″ , 1/4″ , 5/16″ , 3/8″ , 1/2″ , 16″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/8″ , 1 1/4″ , 1 1/2″ , 1 5/8″ , 2″ , 2 1/4″ |
| .065 | 1/4″ , 5/16″ , 3/8″ , 1/2″ , 16″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/4″ , 1 1/2″ , 1 5/8″ , 1 3/4″ , 2″ , 2 1/2″ , 3″ |
| .083 | 1/4″ , 3/8″ , 1/2″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/4″ , 1 1/2″ , 1 5/8″ , 1 7/8″ , 2″ , 2 1/2″ ,3″ |
| .095 | 1/2″ , 5/8″ , 1″ , 1 1/4″ , 1 1/2″ , 2″ |
| .109 | 1/2″ , 3/4″ , 1″ , 1 1/4″ , 1 1/2″ , 2″ |
| .120 | 1/2″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/4″ , 1 1/2″ , 2″ , 2 1/4″ , 2 1/2″ , 3″ |
| .125 | 3/4″ , 1″ , 1 1/4″ , 1 1/2″ , 2″ , 3″ , 3 1/4″ |
| .134 | 1″ |
| .250 | 3″ |
| .375 | 3 1/2″ |
| Density (lb./ in^2) @ RT | 0.278 | |
|---|---|---|
| Modulus of Elasticity in Tension (psi x 10^6) | 29.0 | |
| Specific Heat (BTU/o F/lb.) | 32 to 212 oF | 0.11 |
| Thermal Conductivity (BTU/hr/ft^2/ft) | 212oF | 168.0 |
| Mean Coefficient of Thermal Expansion (in. x 10^-6 per o F) | 32 to 212oF | 5.6 |
| 32 to 932oF | 6.4 | |
| 32 to 1,472oF | 6.9 | |
| Electrical Resistivity (micro ohms – cm) | at 70oF | 63 |
| Oxidation Resistance – Continuous Service(oF) | 1700 |
Stainless Steel 439 Tube OD | Stainless Steel 439 Tube Tolerance |
|---|---|
4mm to 35mm | +/- 0.08mm |
35mm to 38mm | +/- 0.15mm |
38mm to 60mm | +/- 0.20mm |
60mm and above | +/- 0.25mm |
Yes, we offer custom sizes for Stainless Steel 439 Tubing to meet your specific requirements. Our team at Bereket Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@bereketpipes.com.
Stainless Steel 439 Tubing finds extensive application in automotive exhaust systems, heat exchangers, and industrial piping, where corrosion resistance and high-temperature endurance are essential. It’s also widely used in construction, chemical processing, and food processing industries due to its hygienic surface and minimal maintenance needs. Furthermore, this tubing is ideal for HVAC systems, power generation, and structural applications, offering durability, efficiency, and long-term performance even in the most demanding environments.
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