Phehlukwayo Metal, a reputable manufacturer and supplier located in Cape Town, South Africa, specializes in high-quality Stainless Steel 446 Hex Bars tailored to meet a variety of industrial needs. These bars are crafted using cutting-edge techniques to guarantee exceptional dimensional accuracy, corrosion resistance, and strength. Renowned for their outstanding oxidation resistance at elevated temperatures, Stainless Steel 446 Hex Bars are perfect for demanding applications in sectors like chemical processing, power generation, and heat treatment. Phehlukwayo Metal is committed to rigorous quality control and precision engineering, ensuring that they deliver durable, reliable, and high-performance stainless steel products to their valued customers.
The Stainless Steel 446 Hex Bar is mainly made up of iron, chromium (23–27%), manganese, silicon, along with trace amounts of carbon and sulfur. Its high chromium content offers impressive resistance to oxidation, sulfidation, and scaling at high temperatures. It boasts excellent mechanical properties, featuring a tensile strength of about 485 MPa, a yield strength of 275 MPa, and good hardness. The low carbon content of the alloy improves its weldability and toughness, while its ferritic structure guarantees excellent dimensional stability and strength at high temperatures.
Dimensions : ASTM, ASME
Standard : ASTM / ASME SA A276, A479, ASTM A493
Specifications
Length : Random, Fix & Cut Length
Size : 20MM to 150MM
| Element | C | Cr | Mn | Ni | P | S | Si |
| SS 446 | 0.2 | 23.00 | 1.5 | 0.50 | 0.040 | 0.030 | 0.75 |
| Element | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness (Brinell (HB) max) |
| SS 446 | Psi – 75,000 , MPa – 485 | Psi – 40,000 , MPa – 275 | 20 % | – |
| HEXAGONS | ||
|---|---|---|
| Size(mm) | WT PER FEET IN KGS | WT PER MTR IN KGS |
| 16 | 0.55 | 1.79 |
| 18 | 0.69 | 2.27 |
| 20 | 0.85 | 2.80 |
| 22 | 1.03 | 3.39 |
| 25 | 1.33 | 4.38 |
| 28 | 1.67 | 5.49 |
| 30 | 1.92 | 6.30 |
| 32 | 2.19 | 7.17 |
| 36 | 2.77 | 9.07 |
| 38 | 3.08 | 10.11 |
| 40 | 3.41 | 11.20 |
| 45 | 4.32 | 14.18 |
| 50 | 5.34 | 17.50 |
| 56 | – | – |
| 60 | – | – |
| 65 | – | – |
| 70 | – | – |
| 75 | – | – |
| 80 | – | – |
| 90 | – | – |
| 100 | – | – |
SS 446 Hex Bars offer excellent corrosion resistance, high strength, and durability, making them ideal for harsh industrial environments. Their resistance to oxidation and high-temperature stability ensure reliability in applications like heat exchangers, chemical processing, and petrochemical industries.
SS 446 Hex Bar has superior high-temperature strength and excellent resistance to oxidation compared to other stainless steel alloys like SS 304 or SS 316. Its enhanced durability and corrosion resistance make it ideal for high-stress environments, such as heat exchangers, where other alloys may degrade or weaken over time.
Common machining techniques for SS 446 Hex Bars include turning, milling, drilling, and grinding. Challenges include its high hardness and tendency to work-harden, which can lead to tool wear. Proper lubrication and slower cutting speeds are necessary to maintain tool life and achieve smooth, accurate finishes.
Stainless Steel 446 Hex Bar finds extensive use in industries that require materials capable of withstanding high temperatures and corrosive environments. It’s commonly employed in furnace parts, heat exchangers, kiln linings, and gas turbine components due to its robust resistance to oxidation and scaling. This alloy is also ideal for chemical processing equipment, boiler baffles, and components in petrochemical plants. Moreover, its superior mechanical strength and corrosion resistance make it a valuable choice in construction, marine, and automotive applications where long-lasting performance and durability are crucial.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Phehlukwayo Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Cape Town, South Africa
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