Cutting:
Precision cutting to standard dimensions
Custom cutting according to client specifications
Surface Grinding/Polishing:
Thickness tolerance: -0 to +0.1mm
Flatness: 0.01/100mm
Surface roughness: Ra ≤1.6 or Rz ≤6.3
Chemical Composition % of 86CRMOV7, 1.2327
| C: | Mn: | Si: | P: | S: | Cr: | Mo: | V: |
| 0.83 – 0.90 | 0.30 – 0.45 | 0.15 – 0.35 | <0.03 | <0.03 | 1.60 – 1.90 | 0.20 – 0.35 | 0.05 – 0.15 |
MECHANICAL PROPERTIES
Tensile Strength:Rm = 900-1050 N/mm2
Yield Strength: Rs min.750 N/mm2
Elongation A min. (%)13
REDUCTION RATIO
Min.4:1
INCLUSIONS
According ASTME45 st.D
Accepted type A, B,C, D, max 2,0 T – max 1,5
HAUSTENITIC GRAIN
According ASTME112 ≥5
ULTRASONIC TEST
According SEP 1921, acceptability class D/d
Mechanical properties of 86CRMOV7, 1.2327
Hardness of 86CRMOV7 1.2327 steels in softened condition < 229 HB, after hardening and tempering min. of 62 HRC
Heat treatment of 86CRMOV7 1.2327
- Softening annealing below Ac1 w temperature 690 – 710℃ with cooling in a box, ash or sand
- Softening annealing above Ac1 w temperature 750 – 770℃ with cooling in a furnace up to 600℃ with max. of 20℃/h
- Softening annealing above Ac1 at 750 – 770 ℃ with cooling with isothermal conversion at 670 – 710 ℃
- Hardening at 810 – 850℃ with cooling in oil Tempering at 100 ℃ in the air
Applications of 86CRMOV7 1.2327
Cold working rolls and back-up rolls, straightening rolls, cold plate leveller work and back-up rolls
