S7 Tool Steel

S7 Tool Steel and 1045 Carbon Round Bar Stock impact and shock resistance are excellent,.

S7 Tool Steel Bar Stock and 1045 Carbon Round Bar Stock

Cold and hot work are both possible with S7 tool steel.

1045 Carbon Round Bar Stock is a versatile alloy that can be used for many applications. Its impact and shock resistance are excellent, and it has moderate resistance to softening when exposed to high temperatures.

Furthermore, it has a lower wear resistance than other similar types, although it is still highly durable. It is resistant to deformation caused by heat treatment. It has an excellent working hardness of the steel compositions due to its structure.

An impressive hardness of 54–56 HRC and yield strength of 235 ksi are achieved when the material is heated to 500 degrees Fahrenheit. At those temperatures, it provides an excellent balance of strength and ductility.

O'Hare S7 Tool Steel Round Bar Stock and 1045 Carbon Round Bar Stock

O’Hare Precision Metals can provide a wide range of company-supplied or customer-supplied components and materials. Just like how we can offer you the best S7 Tool Steel bar stocks and 1045 Carbon Round Bar Stock in O’Hare!

Machinability and other Processes

S7 tool steel is a high-performance tool steel. The degree of machinability is impressive. According to the ASTM standard, when annealed to Brinell 197 maximum, S7 is rated at 95, whereas a 1.00 pct carbon tool steel is rated at 100. Dimensional Stability is a term used to describe the ability of a structure to maintain its shape over time.

S7 can be expected to expand no more than 0.001 in./in. According to the literature, its According to the literature, ductility when quenched in the air from the proper hardening temperature at those levels.


Powder Metal Dies, plastic molds, drills, concrete breakers, punches, bending, dowels, and blanking are just some of the many applications of S7 Tool Steel.



Thermal expansion


Poisson’s ratio 

0.283 lb/in3


70.0 – 75.0%

ratio 0.27-0.30

Chemical Properties





















Get the S7 Tool Steel Bar Stock

The s7 tool steel bar stock is a type of steel bar that has been made to withstand the conditions of the industrial sector. It is also used as a structural material and it is also used in construction, mining, and other engineering projects. It is commonly used in the manufacturing industry to make tools. The company has a wide variety of products that are made out of this particular type of metal.

The S7 tool steel bar stock is a versatile product that can be used in a variety of applications. It is available in different sizes and grades, so it is suitable for both small and big projects. It can be used to create a wide range of products, including furniture, car parts, and even buildings.

Also, the S7 Tool Steel Bar Stock is an industrial-grade product that was designed to meet the needs of various industries such as automotive manufacturing, construction, and furniture making. This versatile product can be used in a variety of applications including small or large projects because it comes in different sizes and grades.

Want to know more about S7 Tool Steel? Just contact our highly skilled personnel in O’Hare Precision Metals. They are dedicated to providing smooth-flow service. Request a quote for S7 Tool Steel bar stocks now!