420 stainless steel is classified as a "cutting grade" martensitic steel, reminiscent of the early high-chromium stainless steels, akin to Brinell steel. 420 stainless steel combines wear resistance, corrosion resistance, and high hardness, all at a more budget-friendly price point within the realm of stainless steel. It is particularly well-suited for applications in environments with standard stainless steel requirements.
420 stainless steel finds its utility in various precision machinery, bearings, electrical equipment, instruments, measuring devices, transportation tools, household appliances, and more. It is predominantly employed in the manufacture of components designed to withstand atmospheric conditions, water vapor, water, and oxidative acid corrosion.
To begin, 420 stainless steel boasts exceptional corrosion resistance. Its elevated chromium content enables the formation of a dense protective layer of chromium oxide, effectively shielding metal surfaces from oxidation and corrosion. As a result, 420 stainless steel maintains its performance even in damp, acidic, or alkaline environments.
Secondly, 420 stainless steel exhibits favorable mechanical properties. It possesses high strength and hardness, rendering it capable of withstanding substantial pressure and impact. This versatility leads to widespread utilization in various fields, including the production of cutting tools, molds, and mechanical components.
420 stainless steel shares similar corrosion resistance with Type 410 but surpasses it in terms of strength and hardness. Our 420 stainless steel round bar suppliers offer a range of diameters and lengths, catering to diverse needs. Its surface is corrosion-resistant, rendering it suitable for complete utilization in wet environments. Furthermore, it exhibits high tensile strength and can be easily shaped into various forms.
Specification of 420 stainless steel round bar
Specifications: ASTM A276/ASME SA276, ASTM A479/ASME SA479, ASTM A484/ASME SA484, ASTM A582/ASME SA582, etc.
Material: SS420
Diameter: 1/8" - 16"
Length: 1m-12m, or as required
Finish: Bright Annealing, Bright Polished, No.4 Finish, Matt Finish
Delivery Time: 30-60 days
420 stainless steel is categorized as a martensitic stainless steel and falls under the 400 series of stainless steels. Its primary composition comprises iron, chromium, and carbon. Typically, it contains approximately 12% to 14% chromium, a pivotal element contributing to its corrosion resistance. The carbon content usually ranges from around 0.15% to 0.36%, imparting hardness and strength to the alloy.
chemical composition (%) of 420 stainless steel round bar
C | 0.15-0.36 |
1.00 | |
0.040 | |
0.030 | |
1.00 | |
12.00-14.00 | |
1.00 |
The 420 stainless steel round bar is renowned for its exceptional corrosion resistance, favorable mechanical properties, excellent heat treatment capabilities, and effective processing characteristics. It exhibits high plasticity and weldability, making it amenable to cold working, hot working, and welding. Cold working methods, including cold drawing and cold rolling, can plastically deform the material, enhancing its strength and hardness. Thermal processing techniques, such as heating and forging, can modify the material's grain structure, resulting in improved toughness and ductility.
mechanical properties of 420 stainless steel round bar
75 [225] | |
30 [205] | |
40 | |
50 |
Furthermore, 420 stainless steel exhibits favorable heat treatment characteristics. The heat treatment process can be adjusted to modify its microstructure and mechanical properties, tailoring it to meet the specific requirements of diverse applications. This adaptability renders it an ideal choice for crafting high-quality knives and blades.
manufacturing process of 420 stainless steel round bar
There are two primary manufacturing techniques for producing 420 stainless steel: the electric arc furnace melting method and the electric furnace heating method. The electric arc furnace smelting method involves the fusion of stainless steel scrap and raw materials to create stainless steel, while the electric furnace heating method entails placing raw materials in an electric furnace and heating them to elevated temperatures to produce stainless steel.
420 stainless steel also boasts excellent processing properties, allowing it to be shaped and manipulated through cold working, hot working, and welding techniques. It can be readily adapted to fulfill the demands of various shapes and sizes, making it a prevalent material in manufacturing processes.
In conclusion, 420 stainless steel bars are renowned for its outstanding corrosion resistance, favorable mechanical characteristics, exceptional heat treatment capabilities, and effective processing properties. Its versatility lends itself to a broad spectrum of applications across various domains, enhancing both the convenience and advantages in people's daily lives and professional endeavors.
Knife Production: Owing to its elevated hardness and exceptional cutting performance, 420 stainless steel round bars find widespread application in crafting a variety of knives, including kitchen knives, medical instrument blades, and industrial cutting tools, among others.
Mechanical Components: Thanks to its superior strength and wear resistance, 420 stainless steel round bars are employed in fabricating critical mechanical equipment parts, such as bearings, valves, and pumps.
corrosion resistance, 420 stainless steel round bars are frequently utilized in the construction of storage tanks, pipelines, and chemical apparatus. They can withstand harsh chemical environments, high temperatures, and high-pressure conditions.
Cim npe nrov: 420 stainless steel round bar, China, suppliers, manufacturers, price
