EN9 Bright Bar Manufacturer & Supplier
Higher carbon again. Used where surface hardness and wear resistance matter more than toughness — guides, liners, hand tools and parts that will be flame or induction hardened.
UNS: 070M55 / C55 | Category: Carbon Steel
Size Range
Outer Diameter: Diameter 6-100 mm · Round, square, hexagon & flat sections
Chemical Composition (%)
| C | Mn | S | P | Si |
|---|---|---|---|---|
| 0.50-0.60 | 0.50-0.90 | 0.05 max | 0.05 max | 0.10-0.40 |
Mechanical Properties
- Tensile Strength
- 700-850 MPa
- Yield Strength
- 495 MPa min
- Elongation
- 8%
- Impact
- Low — not for shock loading
Applicable Standards
- EN 10277-2 (bright steel for general engineering)
- EN 10278 (dimensions & tolerances)
- BS 970 Part 3
- IS 1570
- ASTM A108 / A29
- EN 10204 3.1 certification
Applications
- Wear guides & liners
- Hand tools
- Flame hardened tracks
- Woodworking blades
- Springs & clips
Industries Served
- Automotive & Auto Components
- Fasteners
- Hydraulics & Pneumatics
- General Engineering
- Textile Machinery
- Pumps & Valves
Equivalent Grades
- AISI / SAE
- AISI 1055
- EN
- C55
- Werkstoff / DIN
- 1.0535
- IS
- IS 1570 55C8