EN18 Bright Bar Manufacturer & Supplier
Plain chromium bar — the economical alternative to EN19 where the section is light enough that molybdenum is not needed for hardenability.
UNS: 530M40 / 41Cr4 | Category: Alloy Steel
Size Range
Outer Diameter: Diameter 8-120 mm · Round, square, hexagon & flat sections
Chemical Composition (%)
| C | Cr | Mn | Si | S |
|---|---|---|---|---|
| 0.36-0.44 | 0.90-1.20 | 0.60-0.90 | 0.10-0.40 | 0.05 max |
Mechanical Properties
- Tensile Strength
- 780-930 MPa (Q&T)
- Yield Strength
- 590 MPa min
- Elongation
- 14%
- Impact
- 35 J
Applicable Standards
- EN 10277-5 (alloy bright steel)
- EN 10278 (dimensions & tolerances)
- EN 10083-3 (quenched & tempered alloy steel)
- BS 970 Part 3
- ASTM A29 / A322
- EN 10204 3.1 certification
Applications
- Shafts & spindles
- Studs & bolts
- Gears in light sections
- Axle components
- Machine tool parts
Industries Served
- Automotive & Auto Components
- General Engineering
- Textile Machinery
- Pumps & Valves
- Agricultural Equipment
- Hydraulics & Pneumatics
Equivalent Grades
- AISI / SAE
- AISI 5140 / SAE 5140
- EN
- 41Cr4
- Werkstoff / DIN
- 1.7035