420 stainless steel bar stock

420 stainless bar stock is not commonly welded due to its air hardening characteristics.

420 stainless steel round bar

Martensitic stainless steel that provides good corrosion resistance similar to that of 410 plus is 420 stainless round bar stock that shows an increased strength and hardness as it attains a corrosion resistance at maximum only in the fully hardened condition. 

Although it is never used in the annealed condition, 420 stainless bar stock is magnetic in both annealed and hardened conditions. Its resistance to corrosion is only apparent in the hardened or hardened and tempered state. 

With a melting point of 1450 -1510C and a density of 7.75g/cm3, 420 stainless bar stock is not commonly welded due to its air hardening characteristics. But if needed, welding may be performed after preheating to 300 -400F with post-weld tempering for 2 hours. 

Steel Purchaser

Stainless steels like this can be heated at temperatures from 840 to 900C and slow furnaced cooling at 600C and then air- cooling.

Get help from the industries leading 420 stainless round bar providers

Advance Grinding has the right kind of steel that you need to help you keep up with your business or latest venture. If you want to acquire the best 420 stainless round bar stock forged in the industry, then you’ll be happy to know that Advance Grinding can provide you with just that. We understand the value of supplying our clients with quality metal, which is precisely why you should trust us, to supply you with top-tier, high-quality metals. Contact us here at Advance Grinding today, so that you can get a quote on the alloy that you need. We’ll make sure that you’re equipped to take on any project you have to face by providing you with hardy material that you can rely on.

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Advantages of 420 Stainless Steel Round Bar

The need for this type of round bar is increasing because of its applications in many different industries. It is used in the construction and manufacturing industry as well as for industrial purposes.

In the construction industry, it is used to make parts for bridges and buildings; in the manufacturing industry, it is used to make parts like gears, pulleys, and bearings; while for industrial purposes, it is used to make products like valves.

Many benefits come with using 420 stainless steel round types. They are durable, can be used in any application, and can be polished to look like chrome. Also, one of the benefits of having a 420 stainless steel round bar is that it will not rust or corrode. This means that you need to worry less about maintenance and upkeep.

The most common uses for a 420 stainless round bar are in the construction industry. They are used in place of concrete because they are stronger, more durable, and can be recycled.

But it doesn’t stop there. There are many advantages to choosing a 420 stainless round bar over other bars.

Just a recap here are the advantages of 420 stainless round bar:

– More corrosion resistant than most steel bars

– Less prone to rusting than other steel bars

– More durable and long-lasting than other steel bars

– May be used in various applications, including structural and structural applications, machine parts, and general fabrication uses.


As such, it is now understandable why this type of alloy steel is sought after getting a quick review of its components.

Consequently, its high machinability is highlighted as it is commonly combined with sulfur to further improve its machinability and make carburizing processes more effective.

With its excellent machinability, this even elevated this alloy steel’s prominence among industries.

Fortunately, Advance Grinding Services never runs out of 4140 alloy steel bars and can very much supply your needs especially if you are operating in the Illinois area!


Tensile Strength95000 psi
Yield Strength60200 psi
Hardness (Brinell)197
Hardness (Knoop)219
Hardness (Rockwell)92
Hardness (Vickers)207

420 Stainless Steel Suppliers

The 420 stainless steel round bar suppliers are essential because they provide a wide range of grades and sizes that can be customized according to customers’ needs.

The best suppliers of 420 stainless round bar types can offer a wide selection of product types, sizes, and styles. They should also have a large variety of colors and patterns to choose from and be able to deliver the products promptly.

The 420 stainless steel round bar suppliers  should also have good customer service and be able to answer questions about their products. They should also be able to provide tracking information for the products they sell.

The demand for quality 420 stainless steel round bar types has been increasing over recent years. This is why many 420 stainless steel round bar suppliers offer these bars in various shapes and sizes. However, not all suppliers have the same quality or price.

Whatever industry you are from, rest assured that Advance Grinding Services can provide you with a 420 stainless steel round bar for all your specific industry applications. Give us a call or simply request a quote from our website and acquire a high-quality 420 stainless round bar today!