11SMn30 Bright Bar Manufacturer & Supplier
The European designation for the mainstream free cutting bar. Chemistry is controlled tighter than EN1A, which matters when the same part is produced on machines in different plants to a single drawing.
UNS: 1.0715 | Category: Free Cutting Steel
Size Range
Outer Diameter: Diameter 4-80 mm · Round, square, hexagon & flat sections
Chemical Composition (%)
| C | Mn | S | P | Si |
|---|---|---|---|---|
| 0.14 max | 0.90-1.30 | 0.27-0.33 | 0.11 max | 0.05 max |
Mechanical Properties
- Tensile Strength
- 380-570 MPa
- Yield Strength
- 305 MPa min
- Elongation
- 8%
- Reduction of area
- 40% min
Applicable Standards
- EN 10277-3 (free cutting bright steel)
- EN 10278 (dimensions & tolerances)
- BS 970 Part 3
- IS 1570 Part 2
- ASTM A108 / A29
- EN 10204 3.1 certification
Applications
- Turned & machined components
- Shafts & spindles
- Pins, studs & dowels
- Bushes & collars
- Fasteners & fittings
- Bar-fed CNC production
Industries Served
- Automotive & Auto Components
- Fasteners
- Hydraulics & Pneumatics
- General Engineering
- Textile Machinery
- Pumps & Valves
Equivalent Grades
- EN
- EN1A
- AISI / SAE
- AISI 1213
- BS 970
- 230M07
- Werkstoff / DIN
- DIN 9S20