Chuck Metals stands out as a top manufacturer and supplier of robust Stainless Steel 440C Hex Bars in Singapore, specifically in Pulau Ujong. Designed for exceptional strength, wear resistance, and precision, these hex bars are perfect for demanding sectors like aerospace, medical, defense, tooling, and mechanical industries. Stainless Steel 440C is a high-carbon martensitic stainless steel known for achieving the highest hardness among stainless grades after heat treatment. Chuck Metals provides 440C hex bars that comply with global standards, ensuring excellent machinability, precise dimensions, and reliable mechanical performance, making them the go-to choice for critical, high-load applications.
Stainless Steel 440C (UNS S44004) is a martensitic stainless steel that contains 16–18% Chromium and 0.95–1.20% Carbon, along with small amounts of Manganese, Silicon, and Molybdenum. It boasts impressive tensile strength ranging from 760–1030 MPa and a yield strength of about 450 MPa, achieving up to 60 HRC after heat treatment. 440C excels in wear and abrasion resistance while offering moderate corrosion resistance in hardened states. Although it’s not as corrosion-resistant as austenitic grades, it performs reliably in dry or mildly corrosive settings. The hexagonal shape enhances torque transfer, making it ideal for machined and load-bearing components.
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 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 |
| 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 | – | – |
Heat treatment of SS 440C involves hardening by quenching and tempering, significantly increasing hardness and wear resistance. Proper heat treatment also enhances corrosion resistance, making the material suitable for demanding applications.
SS 440C Hex Bar is commonly used in bearings, shafts, valves, and tools. Its high hardness, wear resistance, and moderate corrosion resistance make it preferred over other stainless steels for demanding, high-strength applications.
SS 440C Hex Bars are widely used in applications requiring high wear resistance and moderate corrosion resistance. They are usually found in the form of circular roller bearings, shafts, valve components, pump parts and cutting tools. Due to its high strength and durability, these bars are also ideal for high-stress components, such as gears, pistons and fasteners The combination of durability and corrosion resistance makes SS 440C Hex Bars suitable for applications in automotive, aerospace, on the sea, and pharmaceutical industries.
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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