JIS SUM12 Steel
Products Description JIS SUM12 steel is a type of steel with unique properties and a wide range of applications. This steel is known for its excellent machinability and mechanical properties. One of the key features of JIS SUM12 steel is its chemical composition. It contains a specific...
Description
Products Description
JIS-SUM12
| C(%) | Mn(%) | P(%) | S(%) |
|---|---|---|---|
| 0.08-0.13 | 0.6-0.9 | ≦0.04 | 0.08-0.13 |
One of the key features of JIS SUM12 steel is its chemical composition. It contains a specific combination of elements such as carbon, manganese, sulfur, and phosphorus. The carbon content gives the steel its strength and hardness, while manganese enhances its toughness and hardenability. Sulfur and phosphorus are present in controlled amounts to improve machinability.
In terms of mechanical properties, JIS SUM12 steel has a relatively high tensile strength and yield strength. This makes it suitable for applications where strength and durability are required. The steel also has good ductility, allowing it to be deformed without cracking easily.
The machinability of JIS SUM12 steel is one of its major advantages. It can be easily machined using various tools and processes, reducing production time and costs. The presence of sulfur in the steel forms manganese sulfide inclusions, which act as chip breakers during machining, making it easier to cut and shape.
JIS SUM12 steel is available in different forms such as bars, wires, and sheets. This allows for flexibility in design and manufacturing, enabling engineers and manufacturers to choose the most appropriate form for their specific applications.

This steel is commonly used in the manufacturing of various components such as screws, bolts, nuts, and shafts. It is also used in the automotive industry for parts such as gears and transmission components. In addition, JIS SUM12 steel can be found in the construction industry for applications such as fasteners and structural elements.
The quality of JIS SUM12 steel is ensured through strict quality control measures. Manufacturers follow the JIS (Japanese Industrial Standards) specifications to ensure that the steel meets the required chemical composition, mechanical properties, and dimensional tolerances.
In conclusion, JIS SUM12 steel is a reliable and versatile material with excellent machinability and mechanical properties. Its unique combination of features makes it a popular choice for a wide range of applications in different industries. Whether it's for precision machining or structural components, JIS SUM12 steel offers performance and quality.
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