Chuck Metals, based in Pulau Ujong, Singapore, is a well-respected manufacturer and supplier of top-quality stainless steel products, including Stainless Steel 347 Hex Bars. These bars are celebrated for their impressive durability and exceptional resistance to heat and corrosion. At Chuck Metals, every 347 Hex Bar is meticulously crafted to meet the rigorous demands of various industrial applications. The company has built a solid reputation for its commitment to quality, competitive pricing, and a customer-first approach. Serving a diverse array of industries such as petrochemical, power generation, and manufacturing, Chuck Metals has become a go-to source for stainless steel hex bars not just in Singapore, but throughout Southeast Asia.
Stainless Steel 347 Hex Bar is an austenitic stainless steel alloy that’s stabilized with columbium (niobium). It primarily consists of iron, chromium (17–20%), nickel (9–13%), and a maximum of 0.08% carbon. This stabilization is key in preventing intergranular corrosion, especially after welding or when exposed to high temperatures. The alloy boasts excellent mechanical properties, featuring a typical tensile strength of 75 ksi (515 MPa), yield strength of 30 ksi (205 MPa), and an elongation of 40%. The 347 Hex Bar excels in oxidizing environments and maintains its strength and structural integrity even under prolonged thermal exposure, making it ideal for high-temperature applications.
Dimensions : ASTM, ASME
Standard : ASTM / ASME SA A276, A479, ASTM A493
Length : Random, Fix & Cut Length
Size : 20MM to 150MM
| Element | C | Cr | Mn | Ni | P | S | Si |
| SS 347 | 0.08 max. | 17.0 – 19.0 | 2.00 max. | 9.0-13.0 | 0.045 max. | 0.03 max. | 0.75 max |
| Element | Density | Melting Range,℃ | Tensile Strength | Yield Strength | Elongation | Hardness (Brinell) |
| SS 347 | 7.96 | 1450 ℃ | 515 | 205 | 40 | 201 |
| 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 347 Hex Bars are widely used in aerospace, chemical processing, and power generation for applications requiring high-temperature resistance, corrosion resistance, and strength. They outperform other grades due to their niobium stabilization, preventing carbide precipitation and ensuring durability.
SS 347 Hex Bars typically exhibit a tensile strength of 515-750 MPa, a yield strength of 205 MPa, and an elongation of 40% minimum. These properties ensure high durability, flexibility, and performance in demanding applications.
SS 347 Hex Bars commonly comply with standards like ASTM A276, ASTM A479, ASME SA479, and AMS 5646. These certifications ensure quality, dimensional accuracy, and performance for high-temperature and corrosion-resistant applications across industries, meeting stringent safety and reliability requirements.
You’ll find Stainless Steel 347 Hex Bar commonly used in settings that demand high-temperature and corrosive resistance. It’s frequently utilized in heat exchangers, pressure vessels, boiler tubes, aircraft exhaust systems, and chemical processing equipment. Thanks to its stabilization, this alloy can handle welding without the risk of carbide precipitation. Its hexagonal shape enhances grip and machinability, making it perfect for components that require these features. The 347 Hex Bar is particularly well-suited for industries like aerospace, refining, and pharmaceuticals, where both mechanical performance and corrosion resistance 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.
Chuck Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Singapore, Singapore
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