440C Stainless Steel Bar Description
440C stainless steel bar is a high-carbon, martensitic alloy known for its exceptional hardness, strength, and corrosion resistance. This steel is widely used in applications that require high wear resistance, such as in bearings, cutting tools, and valves. 440C stainless steel bar offers excellent resistance to oxidation, corrosion, and high temperatures, making it ideal for industrial environments. It is highly durable and can be hardened through heat treatment, achieving superior hardness. Additionally, this material provides good machinability and strength, ensuring long-lasting performance in demanding applications. 440C stainless steel bar is a reliable choice for high-performance industrial use.
Product Parameters
| Product Name | 440C Stainless Steel Bar | |
| Type | Steel Bar | |
| Outer Diameter | Round Bar | 4mm-500mm |
| Hexagon Bar | 18mm-57mm (11/16″ to 2-3/4″) | |
| Square Bar | 18mm-47mm (11/16″ to 1-3/4″) | |
| Flat Steel | 1/2 “to 10”, Thickness: 2mm-150mm, Can provide customized | |
| Length | 1-6 meters, Length can be customized | |
| Standard | ASTM, AISI, JIS, GB, DIN, EN, etc. | |
| Surface | Black, Bright Polished, Rough Turning, Mattness Surface Treatment, No. 4. BA, etc. | |
| Scope of Application | Stainless steel bars are used in a variety of industries such as shipbuilding,
Defense, Automotive, Textiles, Paper and pulp, Manufacturing, Cement, Heavy earthmoving equipment and construction, etc. |
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Chemical Composition
| C | Si | Mn | Cr | S | P |
| 0.95～1.20 | ≤1.0 | ≤1.0 | 16.0～18.0 | ≤ 0.03 | ≤ 0.04 |
Mechanical Properties
| Tensile Strength Kb (MPa) | Yield Strength σ0.2 (MPa) | Elongation D5 (%) | Hardness |
| ≥560 | ≥205 | ≥18 | ≤250HB |
Physical Performance
| Density(g/cm³) | Modulus of Elasticity(Gpa) | Coefficient of Thermal Expansion(10-6/°C) | Coefficient of Thermal Conductivity(W/m*K) | Resistivity(ΜΩ. cm) |
| 7.60 | 200 | 10.1 | 24.2 | 360 |
