EN47 Bright Bar Manufacturer & Supplier
Chromium-vanadium spring steel bar. The vanadium refines grain and resists softening, so the part keeps its set under repeated deflection.
UNS: 735A50 / 51CrV4 | Category: Alloy Steel
Size Range
Outer Diameter: Diameter 8-100 mm · Round, square, hexagon & flat sections
Chemical Composition (%)
| C | Cr | V | Mn | Si |
|---|---|---|---|---|
| 0.45-0.55 | 0.90-1.20 | 0.15 min | 0.70-1.10 | 0.15-0.40 |
Mechanical Properties
- Tensile Strength
- 1100-1300 MPa (Q&T)
- Yield Strength
- 900 MPa min
- Elongation
- 8%
- Impact
- 30 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
- Torsion bars
- Leaf & coil springs
- Hand tools
- Chisels & punches
- Agricultural tines
Industries Served
- Automotive & Auto Components
- Agricultural Equipment
- Tool & Die
- Heavy Engineering
- General Engineering
- Mining Equipment
Equivalent Grades
- AISI / SAE
- AISI 6150 / SAE 6150
- EN
- 51CrV4
- Werkstoff / DIN
- 1.8159