D2 Tool Steel Round Bar

D2 toolsteel round bar stock is a cold-work tool steel that includes high-carbon, high-chromium steels that contain 1.5% to 2.35% carbon and 12% of chromium.​

D2 Round Bar

D2 tool steel round bar stock is a cold-work tool steel that includes high-carbon, high-chromium steels that contain 1.5% to 2.35% carbon and 12% of chromium. The chemical composition of D2 tool steel bar stock consists of the following: C 1.40 – 1.60, Mn 0.60, Si 0.60, Co 1.00, Cr 11.00 – 13.00, Mo 0.70 – 1.20, V 1.10, P 0.03, Ni 0.30, Cu 0.25, and S 0.03. As for its physical properties, D2 tool steel bar stock density is normally at 7.7x1000kg/m3 while its melting point is at 1421C. 

The mechanical D2 steel mechanical properties are as follows: Hardness, Knoop (converted from Rockwell C hardness) 769; Hardness, Rockwell C 62; Hardness, Vickers 748; Elastic modulus 190-210 GPa; Izod impact unnotched 77.0J; Poisson’s ratio 0.27 – 0.30.

Steel Purchaser

Seek out professional d2 steel and d2 metal 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 D2 ToolSteel 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.


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


With excellent toughness, high fatigue strength, and outstanding machinability, 4140 Alloy Steel has indeed become a staple for most industries in the Midwest. 

D2 steel bar is a type of steel that is used in the production of high-grade knives. It’s also known as “d 2 steel” or “d2 metal.” D2 steel has excellent toughness, wear resistance, and abrasion resistance.

The main use of D2 steel bar is in the manufacturing of cutting tools, such as saw blades and drill bits. The most common applications for this type of metal are in the construction industry and the manufacturing industry where it is used to produce items like structural beams and other structural components, machine parts, gears, axles, shafts, screws, bolts and nuts. Also, D2 steel bar stock is a type of metal that can be used for various purposes, such as in the production of knives and other tools.

D2 metal is a steel that has been specifically designed to resist corrosion. This is an excellent choice for those who want to use metal in the outdoors or in wet environments. The D 2 steel has a higher strength-to-weight ratio than other steels, meaning it is lighter and easier to work with. It also has higher impact resistance and tensile strength than other steels, which makes it great for heavy-duty construction projects.

D2 steel bar is a premium steel that has a high level of toughness. This means that it can withstand a lot of force without breaking. It is also resistant to wear and tear, corrosion, and abrasion. There are many benefits to using this type of steel, including its resistance to wear and tear as well as its durability.

D2 steel bar has an excellent strength to weight ratio. It also has very good impact resistance which makes it perfect for tools. D 2 steel is also rust resistant which means it can be used in environments where moisture and water are present for extended periods of time without rusting.

The properties of D2 metal are up to four times greater than that of other steels. It is the highest grade and most expensive steel, but it is worth the price. D2 steel has a very low carbon content, making it very tough and durable. It also has a high chromium content which resists corrosion.

D 2 steel is a high-carbon, air-hardening tool steel with good wear resistance. It is very tough, but it can be machined without difficulty. D2 metal can be found in a variety of bar and sheet forms. The D2 steel bar is available in round, square, hexagonal, and rectangular shapes. D2 steel bar stock is available as flat bars or rounds that are cut to length or rectangular bars that are cut to size and shape on the saw.

For the automotive industry, 4140 alloy steel is used in the creation of engine gears, bolts and nuts, and crankshafts while for the oil and gas industry, 4140 alloy steel is utilized in the creation of spindles, couplings, and other mechanical parts.

Whatever industry you are from, rest assured that Advance Grinding Services can provide you with a 4140 alloy steel round bar stock for all your specific industry applications.

Give us a call or simply request a quote from our website and acquire a high-quality 4140 alloy steel round bar stock today!