420 Stainless Steel Bars
420 stainless steel bars are martensitic stainless steel bars known for their high hardness, excellent wear resistance, and good corrosion resistance after heat treatment. These
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As a professional global stainless steel supplier, Huaxiao Metal offers a full range of 420 stainless steel products, including bars, rods, and customized profiles. Whether you are sourcing materials for cutting tools, machinery components, medical instruments, or industrial equipment, our 420 stainless steel inventory delivers reliable quality, stable performance, and competitive prices.
420 Stainless Steel (UNS S42000, EN 1.4021) Products
Shapes: Sheet, Strip, coils, tube, bar, foils, etc.
Surface: No.1, 2D, 2B, BA, HL, NO.4, Mirror, SB, Embossed, Etched, etc.
If you want to buy 420 stainless steel products, please contact the right supplier – Huaxiao Metal provides you with the latest 420 stainless steel prices.
420 stainless steel bars are martensitic stainless steel bars known for their high hardness, excellent wear resistance, and good corrosion resistance after heat treatment. These
Huaxiao Metal is a leading manufacturer and supplier of high-quality 420 stainless steel sheets. Our 420 stainless steel sheets are designed for applications requiring excellent
Our 420 stainless steel coils are widely used by knife manufacturers, automotive component suppliers, industrial equipment producers, and precision stamping factories worldwide. 👉 Looking for
Welcome to Huaxiao Metal’s 420 stainless steel product page! As one of China’s leading 420 stainless steel manufacturers and suppliers, we are committed to providing customers with high-quality stainless steel materials to meet various industrial and commercial needs.
Our 420 stainless steel products are made of high-quality raw materials and have excellent corrosion resistance and mechanical properties. Whether you are in construction, chemicals, or manufacturing, our stainless steel materials can meet your stringent requirements.
If you are looking for reliable 420 stainless steel manufacturers and suppliers, you may wish to consider cooperating with Huaxiao Metal. We are committed to providing our customers with superior stainless steel solutions to meet the various needs of your project.
Contact us for more information about our 420 stainless steel products and custom solutions. Thank you for choosing Huaxiao Metal, your reliable partner!
Thank you for your interest in Huaxiao Metal! Whether you are learning about products or looking for a new 420 stainless steel supplier, we will be happy to provide you with more information about your specific needs.
Thank you for your interest in Huaxiao Metal! I don’t know if you are interested in the above product shapes. If you don’t find what you need, the company can accept customized products of 420 stainless steel. Contact us and we will be happy to provide you with more information about your specific needs.
420 stainless steel is a type of martensitic stainless steel that belongs to the 400 series of stainless steel. Martensitic stainless steels are known for their high strength, hardness, and corrosion resistance, primarily achieved through heat treatment. The number “420” indicates the specific composition of this stainless steel, with 4% being the minimum percentage of chromium and 20% being the maximum percentage of carbon in its alloy.
| C | Si | Mn | P | S | Cr | Ni | Mo |
|---|---|---|---|---|---|---|---|
| 0.15 – 0.4 | 1.0 max | 1.0 max | 0.040 max | 0.030 max | 12.0-14.0 | 0.75 max | 0.50 max |
Thank you for your interest in Huaxiao Metal! Whether you are learning about products or looking for a new 420 stainless steel supplier, we will be happy to provide you with more information about your specific needs.
| Tempering Temperature (°C) | Tensile Strength (MPa) | Yield Strength
0.2% Proof (MPa) |
Elongation (% in 50mm) | Hardness Brinell (HB) | Impact Charpy V (J) |
|---|---|---|---|---|---|
| Annealed * | 655 | 345 | 25 | 241 max | – |
| Melting Point | Density | Specific Gravity | Modulus of Elasticity in Tension |
|---|---|---|---|
| 1450 – 1510 ℃ | 7.75g/cm3 | 7.7 | 200 GPa |
Thank you for your interest in Huaxiao Metal! Whether you are learning about products or looking for a new 420 stainless steel supplier, we will be happy to provide you with more information about your specific needs.
Thank you for your interest in Huaxiao Metal! Whether you are learning about products or looking for a new 420 stainless steel supplier, we will be happy to provide you with more information about your specific needs.
It’s important to note that while 420 stainless steel has its strengths, it may not be suitable for all applications, especially those requiring high corrosion resistance. The choice of stainless steel grade depends on the specific requirements of the intended use.
Thank you for your interest in Huaxiao Metal! Whether you are learning about products or looking for a new 420 stainless steel supplier, we will be happy to provide you with more information about your specific needs.
Huaxiao Metal has rich industry experience, and our professional team understands the characteristics and applications of 420 stainless steel. Whether you are looking for manufacturers or suppliers, we can provide you with professional advice and solutions.
We have established a reliable supply chain system to ensure timely delivery and competitive 420 stainless steel prices. When you work with us, you can rely on our supply chain network to ensure your project is completed on time.
Our 420 stainless steel products are made of high-quality raw materials and have excellent corrosion resistance and mechanical properties. Whether you are in construction, chemicals or manufacturing, our stainless steel materials can meet your stringent requirements.
As a 420 stainless steel manufacturer, we offer a wide range of specifications and size options to meet the specific project needs of different customers. From sheet to tube, our product lines cover applications across multiple industries, providing flexibility and customizability for your projects.
If you are looking for reliable 420 stainless steel manufacturers and suppliers, you may wish to consider cooperating with Huaxiao Metal. We are committed to providing our customers with superior stainless steel solutions to meet the various needs of your project.
Yes. It is a martensitic stainless steel and remains magnetic in all conditions.
Welding is possible but requires preheating and post-weld tempering to avoid cracking.
With proper heat treatment, it can reach 50–60 HRC, depending on the exact grade.
It provides moderate corrosion resistance, but for harsh environments, 316 stainless steel performs better.
Absolutely. It offers excellent hardness and edge retention, making it suitable for industrial and household knife applications.
Yes, 420 stainless steel can rust under certain conditions.
Although it contains chromium (12–14%), its corrosion resistance is lower than 304/316 and depends heavily on surface condition and heat treatment.
420 is more likely to rust when exposed to:
Polishing, hardening, and passivation significantly reduce the risk of corrosion.
420 stainless steel is relatively easy to machine in the annealed condition, but becomes significantly harder after heat treatment. Key machining considerations include:
Anneal the material before machining whenever possible
Use rigid tools and slower cutting speeds
Apply ample coolant to avoid tool wear
Expect higher tool stress as hardness increases
Perform final machining before heat treatment, then finish-grind afterward
For applications requiring high precision, many manufacturers perform rough machining → hardening → grinding.
Yes. 420 stainless steel can be passivated, but the process is less effective compared to austenitic grades like 304 or 316 because 420 contains higher carbon and forms a martensitic structure.
Passivation removes free iron from the surface and enhances corrosion resistance, but for the best results, the material should be polished, hardened, and thoroughly cleaned before passivation. Nitric acid-based passivation solutions are typically recommended for 420.
Yes. We provide cut-to-length, custom tolerances, and special surface finishes.
If you’re interested in purchasing 420 stainless steel bars, rods, or custom shapes from Huaxiao Metal, please contact us. Our team is ready to provide a fast and competitive quote, helping you choose the right specifications for your project.
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