Home > Stainless Steel > Stainless Steel 439 Tubing
For manufacturers and industrial operations in and around Kinshasa, sourcing high-quality, durable materials is a cornerstone of success. Wissa Pipes stands as a trusted partner in this endeavor, providing reliable solutions directly from the heart of Congo. Our Stainless Steel 439 tubing is a prime example of this commitment, offering a specific blend of resilience and value perfectly suited to meet the demanding conditions of local industries, ensuring your projects are built on a foundation of proven performance and local expertise.
This particular grade is a ferritic stainless steel, which gives it a helpful combination of characteristics. Its composition is stabilized with titanium, making it highly resistant to intergranular corrosion, a common concern. This results in a material with good formability and weldability, alongside excellent resistance to oxidation and corrosion, particularly from nitric acid environments. These mechanical properties mean it handles high temperatures well, maintaining its strength and integrity under stress, offering a dependable and cost-effective option for many challenging applications.
| 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 Wissa 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. Wissa 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.
Wissa Pipes and Tubes, one of the largest suppliers of Stainless Steel 439 Tubing in Kinshasa, Thailand, 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 Wissa Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@wissapipes.com.
You’ll find Stainless Steel 439 Tubing commonly used in automotive exhaust systems, catalytic converters, and heat exchangers, thanks to its exceptional resistance to high temperatures and corrosion. It’s also a popular choice in construction for structural supports, roofing, and cladding. The chemical and petrochemical industries depend on it for transporting corrosive fluids, while power plants utilize it in boiler and heat transfer applications. Additionally, it finds its place in food processing, kitchen equipment, and architectural designs, ensuring both strength and durability while remaining cost-effective across a wide range of industrial applications.
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