Steels are given standard numbers by the Turkish Mechanical and Chemical Industry Corporation (MKE) according to their carbon content. (Such as C1010 – C1020 – C1030 – C1040 – C1045 – C1050 – C1060 – C1070 – C1090) In this article, we’ll cover where steels are used according to their MKE numbers. We’ll look at which steel is used where, and why it’s preferred.
C1010 Application:
Used in the manufacture of bolts, nuts, and machine parts that can be quenched and tempered when used as a body in a construction.
C1020 Application:
C1020 steel is a low-carbon steel type, and generally has the following properties. Due to its low carbon content, C1020 steel is easy to machine and forge. It can be heat treated. These steels don’t have high strength, but they show good flexibility and durability.
C1020 steel is generally used in environments that are at high temperature or not resistant to corrosion. These steels are generally used in industries such as automotive, machine manufacturing, and construction, for making machines, bolts, and nuts.
C1030
C1030 is a material found among medium-carbon steels and is generally used in the manufacture of low-strength parts. It’s especially often chosen for producing steel rods, nuts, screws, buttons, hooks, ship shafts, axles, bolts, and other similar parts.
C1030’s properties include weldability and machinability. Because it has a high forming capability, it’s used especially in cold working. Also, since it’s a medium-carbon steel, its hardness and durability are also quite high.
It’s used in the manufacture of machines, axles, ship shafts, bolts, etc.
C1035
Used in the manufacture of bolts, load-bearing axles, propeller shafts, and gears. Can be induction or flame hardened.
C1040
Can be used in the manufacture of transmission shafts, rails, gears, etc. Can be induction or flame hardened.
C1045
C1045 is a material found among medium-carbon steels. Its properties, such as high strength, high toughness, and machinability, cause it to be used frequently in the manufacturing sector. Its weldability and hardening properties are also noteworthy. It can be induction or flame hardened.
It’s also a preferred type of steel when cost-effectiveness is taken into account in material selection.
It’s generally preferred in the manufacture of mechanical parts, shafts, gears, hooks, hoes, picks, shovels, and similar surface-hardened parts.
C1050
Can be used in the manufacture of towing hooks, gears, picks, and milled shafts.
C1060
C1060 is a material found among high-carbon steels, and is preferred especially for manufacturing hard, durable, and wear-resistant parts. For example, it can be used in the manufacture of blades, springs, saw blades, shafts, spindles, and bolts.
C1070
Used in the manufacture of coil and leaf springs, shears, simple cutting tools, punches, and blanking dies.
C1090
Excavator bucket teeth, grader blades, high-strength machine parts, files, adzes, wood saws, punches. C1090 steel is also used in weapon and ammunition manufacturing, for example in producing bullets, gun barrels, and other weapon parts.
MKE Numbering System
MKE (Mechanical and Chemical Industry Corporation) steel numbers define the material’s composition and intended use through a standard code system.
Effect of Carbon Content
As the carbon content in steels increases, hardness and strength increase, but machinability and weldability generally decrease.
Alloying Elements
Alloying elements such as chromium, nickel, and molybdenum significantly change a steel’s corrosion resistance, toughness, and response to heat treatment.
Related Questions
Low carbon content makes the steel easy to machine and forge, but limits its strength. This is why it’s preferred for parts (such as bolts and nuts) that don’t require high strength and where easy forming is the priority.
These numbers indicate the carbon content of the steel. For example, C1045 contains more carbon than C1020; as carbon increases, the steel becomes harder but less flexible.
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