What is the density of 4130 round bar stock?

May 14, 2025

Leave a message

Hey there! As a supplier of 4130 round bar stock, I often get asked about the density of this stuff. So, I thought I'd write up a blog post to break it down for you in plain English.

First off, let's talk about what 4130 round bar stock is. 4130 is a low-alloy steel that's known for its excellent strength, toughness, and weldability. It's commonly used in a variety of industries, including aerospace, automotive, and manufacturing. The "round bar stock" part just means it comes in a round shape, which is super handy for all sorts of applications.

Now, onto the big question: what's the density of 4130 round bar stock? The density of 4130 steel is approximately 7.85 grams per cubic centimeter (g/cm³). That's a pretty standard density for most steels, actually. To put it in perspective, if you had a 1 cubic centimeter cube of 4130 steel, it would weigh about 7.85 grams.

But why does density matter? Well, density can tell you a lot about a material. For one, it can help you calculate the weight of a piece of 4130 round bar stock based on its volume. This is really useful if you're trying to figure out shipping costs or how much material you need for a project. For example, let's say you have a 4130 round bar that's 10 feet long and has a diameter of 2 inches. You can use the formula for the volume of a cylinder (V = πr²h, where r is the radius and h is the height or length) to calculate the volume of the bar. Then, you can multiply the volume by the density (7.85 g/cm³) to find the weight.

Another reason density is important is that it can give you an idea of how a material will perform. Generally, materials with higher densities are heavier and stronger, while materials with lower densities are lighter and more flexible. So, the density of 4130 steel tells you that it's a relatively heavy and strong material, which is why it's so popular in applications where strength and durability are key.

Now, let's compare 4130 round bar stock to some other materials. Check out these links to learn more about AISI 4140 Chrome-Molybdenum High Tensile Steel, UNS N02200 Nickel Alloy Bar, and Monel 400 Round Bar. Each of these materials has its own unique properties and density. For instance, AISI 4140 is also a chrome-molybdenum steel, but it has a slightly different chemical composition and density compared to 4130. UNS N02200 is a nickel alloy, which means it has a different density and set of properties than steel. And Monel 400 is a copper-nickel alloy that's known for its corrosion resistance.

UNS N02200 Nickel Alloy Bar

When choosing the right material for your project, it's important to consider not only the density but also other factors like strength, corrosion resistance, and cost. For example, if you're working on a project that requires high strength and corrosion resistance, you might choose AISI 4140 or Monel 400. But if you're looking for a more cost-effective option with good strength and weldability, 4130 round bar stock might be the way to go.

As a supplier of 4130 round bar stock, I can offer you high-quality materials at competitive prices. We have a wide range of sizes and lengths available, so you can find the perfect fit for your project. Whether you're a small business owner or a large manufacturer, we're here to help you get the materials you need.

Monel 400 Round Bar

If you're interested in learning more about our 4130 round bar stock or have any questions about density or other material properties, don't hesitate to reach out. We're always happy to chat and help you find the right solution for your needs. Just drop us a line, and we'll get back to you as soon as possible.

In conclusion, the density of 4130 round bar stock is an important factor to consider when choosing a material for your project. It can help you calculate weight, understand performance, and compare different materials. And if you're in the market for 4130 round bar stock, we're here to be your go-to supplier. So, get in touch and let's start working together!

UNS N02200 Nickel Alloy Bar

References

  • "Metals Handbook Desk Edition", ASM International
  • Various steel material data sheets from steel manufacturers