Chuck Metals stands out as a reliable manufacturer and supplier of top-notch Stainless Steel 440C Hollow Bars in Singapore, specifically in Pulau Ujong. Known for their commitment to precision and quality, Chuck Metals serves various industries, including aerospace, defense, automotive, and tooling, where high hardness and wear resistance are essential. Stainless Steel 440C is a high-carbon martensitic stainless steel celebrated for its remarkable strength, hardness, and corrosion resistance when hardened. Chuck Metals ensures that their 440C hollow bars meet international quality standards, guaranteeing durability, precise dimensions, and consistent performance in demanding mechanical and structural applications.
Stainless Steel 440C (UNS S44004) is composed of about 16–18% Chromium, 0.95–1.20% Carbon, along with trace amounts of Manganese, Silicon, Molybdenum, and Phosphorus. It boasts impressive hardness (up to 60 HRC when heat treated), a tensile strength ranging from 760–1030 MPa, and outstanding wear resistance. This grade is magnetic and can be hardened through heat treatment, making it perfect for high-load and precision applications. Although its corrosion resistance isn’t as high as austenitic grades, it performs admirably in mildly corrosive environments and dry conditions. The hollow bar shape is perfect for applications that need to cut down on weight without compromising strength.
Dimensions : ASTM, ASME
Standard : ASTM / ASME SA A582, A276, A564, ASTM A484, 484M
Surface : hrap, hot rolled pickled or sand blasting finished, cold drawn, polished, hairline
Range : Range – 3.17mm to 350mm dia
| Element | C | Cr | Mn | Ni | P | S | Si |
| SS 440C | 1.20-0.95 | 18.00-16.00 | 1.00 | 1.00 | 0.04 | 0.03-0.15 | 1.00 |
| Element | C | Cr | Mn | Ni | P | S | Si |
| SS 440C | 1.20-0.95 | 18.00-16.00 | 1.00 | 1.00 | 0.04 | 0.03-0.15 | 1.00 |
| Hollow Bar | ||
|---|---|---|
| Size(mm) | WT PER FEET IN KGS | WT PER MTR IN KGS |
| 16 | 0.49 | 1.60 |
| 18 | 0.62 | 2.02 |
| 20 | 0.76 | 2.49 |
| 22 | 0.92 | 3.02 |
| 25 | 1.19 | 3.90 |
| 28 | 1.49 | 4.89 |
| 28 | 1.49 | 4.89 |
| 30 | 1.71 | 5.61 |
| 32 | 1.95 | 6.38 |
| 36 | 2.46 | 8.08 |
| 38 | 2.74 | 9.00 |
| 40 | 3.04 | 9.97 |
| 45 | 3.85 | 12.62 |
| 50 | 4.75 | 12.62 |
| 56 | 8.96 | 19.55 |
| 60 | 6.84 | 22.44 |
| 65 | 8.03 | 26.34 |
| 70 | 9.31 | 30.54 |
| 75 | 10.69 | 35.06 |
| 80 | 12.16 | 39.89 |
| 90 | 15.39 | 50.49 |
| 100 | 19 | 62.34 |
SS 440C hollow bar is a highly carbon stainless steel alloy that is strong in hardness, wear, and corrosion resistance. As such, it is employed in the manufacturing of some components such as bearings and valve parts, cutting tools, where strength and longevity are required. Its good resistance to harsh environments will make it suitable for some applications in aerospace, automobile, and chemical processing industry. The hollow bar shape would reduce material waste and minimize weight, making the structure ideal in applications like shafts, bushings, and rods.
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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