TSR | Expert of Mill Rolls
Trust Stemming from Reliability
Enhanced High Chromium Iron is widely used in early finishing stands of hot strip mills.The microstructure consists of a tempered bainitic/ martensitic matrix with Cr7C3 carbides and MC type carbides homogeneously distributed in the matrix.
| MATERIAL | CHEMISTRY |
BARREL HARDNESS (HSC) |
||||||
| C | Si | Mn | Cr | Ni | Mo | V | ||
| HiCr Iron | 2.60-3.20 | 0.40-1.20 | 0.30-1.20 | 16.0-22.0 | 1.00-2.00 | 1.00-3.00 | ≤1.5 | 70-85 |
| TYPICAL PHYSICAL PROPERTIES | |||
| Neck Hardness (HSC) | Tensile Strength (N/mm2) | Unevenness of Barrel Surface Hardness (HSC) | Difference of Shell Thickness |
| 35-45 |
shell ≥650 core & necks ≥400 |
＜3 | ＜10 |
Hardness Distribution
Trust Stemming from Reliability