Khaleed Stainless is a reputable manufacturer and supplier of top-notch stainless steel products located in Riyadh, Saudi Arabia. Committed to excellence and reliability, the company provides a diverse array of stainless steel solutions designed to cater to the needs of various industries. Among its standout offerings are Stainless Steel 439 Pipes, celebrated for their remarkable corrosion resistance, heat tolerance, and formability. Perfect for automotive and industrial uses, these pipes are crafted to meet international standards. Khaleed Stainless remains a leader in the Saudi market by blending cutting-edge technology, skilled craftsmanship, and outstanding customer service.
Stainless Steel 439 Pipes are ferritic stainless steels that mainly consist of 17–19% chromium, with a very low carbon content (≤0.03%), titanium for stabilization, and small amounts of silicon, manganese, and nickel. This unique composition boosts corrosion resistance, particularly in high-temperature and oxidizing settings. SS 439 boasts a tensile strength of about 415–620 MPa and a yield strength of roughly 275 MPa, along with good ductility and weldability. These pipes also show excellent resistance to stress corrosion cracking and oxidation, making them ideal for automotive exhaust systems and heat exchanger applications.
| Specifications | ASTM A/ASME SA268/A731 CL |
| Dimensions | ASTM, ASME and API |
| Schedule | SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| Wall Thickness | Sch 5s, 10s, 40s, 80s, 160, XXS |
| Size – Seamless 439 Pipes | 1/2″NB – 24″NB |
| ERW 439 Pipes | 1/2″ NB – 24″ NB |
| EFW 439 Pipes | 6″ NB – 100″ NB |
| Form | Round, Square, Rectangular, Hydraulic Etc |
| Types | Seamless / ERW / Welded / Fabricated / LSAW Pipes |
| End | Plain End, Beveled End, Treaded |
| Length | Single Random, Double Random & Cut Length. (Custom Sizes Available as per customers requirement) |
| Grade | C | Mn | Si | P | S | Cr | MO | Ni | CU | |
| 439 | Min | – | – | – | – | – | 12.0 | – | – | – |
| max | 0.15 | 1.00 | 1.00 | 0.04 | 0.03 | 14.0 | – | – | – | |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) | Brinell (HB) | ||||
| 439 | 95,000 | 50,000 | 25 | – | 175 |
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We ensures the highest quality standards for Stainless Steel 439 Pipes through rigorous testing and certification processes. Every pipe goes through extensive tests, including chemical analysis, mechanical testing, and dimensional inspection. In this regard, we provide suitable certificates like Mill Test Certificate (MTC) and ISO certifications to make sure every product stands as a reliable brand and follows the market norms.
Stainless Steel 439 Square Pipes offer excellent corrosion resistance and are used in applications requiring a robust structure. They typically come in sizes ranging from 1/2″ to 8″, with wall thicknesses varying based on the application.
These pipes offer superior corrosion resistance and are used in high-temperature environments. They are available in sizes from 1/4″ to 12″ in diameter, with wall thicknesses ranging from 0.5mm to 20mm.
Providing good corrosion resistance, these pipes are manufactured using the electric resistance welding process. They are available in sizes from 1″ to 12″ in diameter, with various wall thicknesses for different pressure ratings.
These pipes, known for their corrosion resistance, are produced by longitudinal submerged arc welding. Sizes typically range from 6″ to 48″ in diameter, with wall thicknesses from 5mm to 25mm.
Offering excellent corrosion resistance, these pipes are used in various industries. They come in sizes from 1/4″ to 12″ in diameter, with wall thicknesses ranging from 1mm to 15mm.
These pipes exhibit good corrosion resistance and are made by welding flat plates. They are available from 1″ to 24″ in diameter, with wall thicknesses tailored to specific pressure and temperature requirements.
Stainless Steel 439 Pipes find extensive use in the automotive sector, especially for exhaust systems, thanks to their outstanding heat and corrosion resistance. They are also well-suited for heat exchangers, mufflers, and industrial ventilation systems. SS 439 is favored in situations where high-temperature oxidation resistance and moderate corrosion resistance are essential. Its excellent formability and weldability make it perfect for creating complex components in construction, energy, and petrochemical industries, providing a cost-effective alternative to austenitic grades without compromising quality
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