Ny orinasanay dia manokana amin'ny famokaranafitotoana baolina vyho an'ny milina baolina.Ny mpiasa dia voaofana sy nofantenana tamin'ny alalan'ny teknolojia henjana any ivelany.Mifanaraka ny kalitaon'ny vokatra ary feno ny fepetra takiana.
singa simika
singa simika | ||||||
Type | singa simika | |||||
C | Mn | Si | Cr | S | P | |
45# | 0.42-0.48 | 0.50-0.80 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 |
50Mn | 0.48-0.56 | 0.70-1.00 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 |
60Mn | 0.57-0.65 | 0.70-1.00 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 |
65Mn | 0.62-0.70 | 0.90-1.20 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 |
B2 | 0.75-0.85 | 0.70-0.90 | 0.17-0.37 | 0.40-0.60 | ≤0.030 | ≤0.030 |
B3 | 0.55-0.65 | 0.75-0.90 | 0.20-0.37 | 0.85-1.20 | ≤0.030 | ≤0.030 |
B4 | 0.58-0.66 | 0.65-0.80 | 1.60-1.90 | 0.70-0.90 | ≤0.030 | ≤0.030 |
B6 | 0.97-1.03 | 1.00-1.10 | 0.20-0.30 | 0.50-0.60 | ≤0.025 | ≤0.025 |
Toetra mekanika | ||||||||
KEVITRA | Hardness (HRC) | fiantraikany | Fotoana fararano | |||||
Φ20-Φ50 | Φ60-Φ90 | Φ100-Φ150 | ||||||
Surface | fototra | Surface | fototra | Surface | fototra | |||
45# | ≥54 | ≥36 | ≥54 | ≥34 | ≥52 | ≥30 | ≥15 | ≥22000 |
50Mn | ≥58 | ≥38 | ≥58 | ≥36 | ≥55 | ≥32 | ≥15 | ≥22000 |
60Mn | ≥60 | ≥42 | ≥60 | ≥40 | ≥58 | ≥36 | ≥15 | ≥22000 |
65Mn | ≥60 | ≥42 | ≥60 | ≥40 | ≥58 | ≥36 | ≥15 | ≥22000 |
B2 | ≥60 | ≥60 | ≥60 | ≥50 | ≥60 | ≥46 | ≥15 | ≥22000 |
B3 | ≥60 | ≥60 | ≥60 | ≥50 | ≥60 | ≥48 | ≥15 | ≥22000 |
B4 | ≥60 | ≥60 | ≥60 | ≥55 | ≥60 | ≥52 | ≥15 | ≥22000 |
B6 | ≥60 | ≥60 | ≥60 | ≥59 | ≥60 | ≥55 | ≥15 | ≥22000 |