BS 4659 BPO2 Steel — Specifications & Listings
BS 4659
British plastic mould steel
Grade Details
| Grade | BS 4659 BPO2 |
| Standard | BS 4659 |
| Description | British plastic mould steel |
| Applications | Injection mould cavities, zinc die casting dies |
Equivalent / Similar Grades
Chemical Composition (%)
| C |
Mn |
Cr |
Mo |
Ni |
| 0.07–0.12 |
0.10–0.40 |
0.75–1.25 |
0.15–0.40 |
0.10–0.50 |
Mechanical Properties
| Hardness HRC (case hardened) |
58–64 |
| Hardness HRC (core) |
20–30 |
Typical Available Sizes
| Round Bar |
20mm–200mm dia |
| Flat Bar |
20×10mm–200×80mm |
Sizes are indicative. Contact seller for exact availability.
Active BS 4659 BPO2 Listings on M-EX