1.0715 (11SMn30) is a low-carbon, free-cutting steel alloy that belongs to the group of non-alloyed steels. It is known for its excellent machinability due to the addition of sulfur and phosphorus. The addition of these elements promotes the formation of free-cutting sulfide particles and improves the chip formation during machining.
Application Areas
- Automotive industry: Due to its excellent machinability, 1.0715 (11SMn30) is commonly used in the automotive industry for the production of various precision components such as shafts, gears, and studs.
- Manufacturing industry: This material is used in the production of a wide range of machine parts such as screws, bolts, nuts, and fasteners. Its excellent machinability and good surface finish make it ideal for applications that require high precision.
- Electronics industry: 1.0715 (11SMn30) is also used in the production of electronic components such as connectors, pins, and sockets. Its high machinability and good surface finish make it ideal for applications that require high precision and small tolerances.
- Construction industry: This material is used in the construction industry for the production of various fittings and fasteners. Its good machinability and ability to form small parts make it ideal for use in plumbing and HVAC systems.
- Aerospace industry: Due to its excellent machinability and high precision, 1.0715 (11SMn30) is also used in the aerospace industry for the production of various precision components.
CHEMICAL COMPOSITION
| ELEMENT | CHEMICAL COMPOSITION (%) |
|---|---|
| C | 0.14 – 0.19 |
| Si | 0.15 – 0.40 |
| Mn | 1.00 – 1.30 |
| P | max 0.11 |
| S | max 0.36 |
| Pb | 0.15 – 0.35 |
| N | max 0.012 |
MECHANICAL PROPERTIES
| PROPERTY | VALUE |
|---|---|
| Tensile strength, Rm | 580-780 MPa |
| Yield strength, Re | 320-580 MPa |
| Elongation, A | 10-18% |
| Modulus of elasticity | 190-210 GPa |
| Poisson’s ratio | 0.27-0.30 |
| Fatigue limit | 200-280 MPa |
| Hardness | 160-220 HB (annealed) |
Note: The values in this table are for informational purposes only and may vary depending on the specific manufacturer and processing methods used.
Partial part type display:
