stainless steel
409 Stainless Steel Bar
We ensure that every product we offer meets the highest standards of quality and reliability. Factory test certification is included with the shipment and third party inspection is available.
We provide comprehensive steel processing services such as cutting, bending, welding, and finishing.
Customizable: Available in various sizes and thicknesses to meet specific project requirements. Free samples are available, Customized samples will take about 5-7days. Customized logo , Customized packaging , Product customization.
Our location is Wuxi, Jiangsu, China
409 Stainless Steel Bar Description
409 stainless steel is distinguished from other types of stainless steel for its chemical composition. Iron, with large amounts of chromium and small amounts of carbon, manganese, silicon and nitrogen compose this material. Iron is the primary element of 409 stainless steel, providing its strength and stability. Chromium accounts for its corrosion resistance and helps form a protective oxide layer on the surface. Carbon helps increase the hardness and wear resistance. Manganese acts as a stabilizer to prevent excessive grain growth during heat treatment. Silicon enhances oxidation resistance while preventing scaling at high temperatures. Nitrogen improves mechanical properties such as tensile strength and yield strength. This unique combination of elements gives 409 stainless steel excellent thermal expansion capabilities, making it suitable for high-temperature applications without compromising its structural integrity or dimensional stability. Its chemical composition also provides good solderability, thus simplifying the manufacturing process.
Product Parameters
Product Name | 409 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. | |
Chemical Composition
C | Si | Mn | Cr | Ni | S | P |
≤ 0.08 | ≤1.0 | ≤1.0 | 10.5～11.75 | ≤ 0.5 | ≤ 0.045 | ≤ 0.045 |
Mechanical Properties
Tensile StrengthKb (MPa) | Yield Strengthσ0.2 (MPa) | ElongationD5 (%) | Hardness |
≥360 | ≥175 | ≥25 | ≤ 162HBW |
Physical Performance
Density(g/cm³) | Modulus of Elasticity(Gpa) | Coefficient of Thermal Expansion(10-6/°C) | Coefficient of Thermal Conductivity(W/m*K) | Resistivity(NΩ.m) |
7.80 | 200 | 11.0 | 25.8 | 600 |
