Widely used in industries such as coal mining machinery, military equipment, petroleum, internal combustion engines, engineering machinery, and refrigeration equipment, for honing hydraulic and pneumatic deep-hole cylinder barrels.
| Abrasive Type | White Fused Alumina | Brown Fused Alumina | Chromium Fused Alumina | Monocrystalline Fused Alumina | Green Silicon Carbide | Black Silicon Carbide | Diamond | Cubic Boron Nitride (CBN) | |||||||
| WA | A | PA | SA | GC | C | D | CBN | ||||||||
| Grit Size | 24 | 30 | 36 | 46 | 60 | 70 | 80 | 100 | 120 | 150 | 180 | For Rough Grinding | |||
| 220 | 240 | 280 | 320 | 360 | 400 | 500 | 600 | 700 | 800 | 1000 | For Precision Grinding | ||||
| Hardness | D E F | G | H | J | K | L | M | N | P | Q | R | S | T | Y | |
| Extra Soft | Soft 1 | Soft 2 | Soft 3 | Medium Soft 1 | Medium Soft 2 | Medium 1 | Medium 2 | Medium Hard 1 | Medium Hard 2 | Medium Hard 3 | Hard 1 | Hard 2 | Extra Hard | ||
| Dimensions | A | B | H | L | |||||||||||
| 1-30 | 1-30 | 1-20 | 30-300 | ||||||||||||
| Workpiece Materials | Recommended Honing Stones |
| Mild Carbon Steel (Grades 20#, 35#, 45#) | Resin-bonded oilstones (Hardness N-P) and resin-impregnated ceramic oilstones (Hardness L-N) - Rough grinding: 100-180# stones Rough Grinding 100-180# Oilstones |
| Alloy Steel (27SiMn, 42CrMo, 38CrMnAl) | Sulfur-impregnated ceramic oilstones - Rough grinding: 120-180#, Hardness J, K, L; Fine grinding: 240-600#, Hardness J and softer |
| Stainless Steel, Nickel Alloys | Sulfur-impregnated ceramic oilstones - Rough grinding: 100-150#, Hardness J and softer; Fine grinding: 240-600#, Hardness H and softer |
| Titanium Alloys, Gun Steel (Military Grade) | Resin-impregnated ceramic oilstones - Rough grinding: 120-180#, Hardness K, M; Fine grinding: 240-600#, Hardness K, L |
| Gray Cast Iron | Green silicon carbide oilstones - Rough grinding: 120-180#; Fine grinding: Cork oilstones |
| Heat-Treated Steels (Hardness > 58 HRC) | Sulfur-impregnated ceramic oilstones - Rough grinding: 60-100#, Hardness H-K |
| Ceramics, Ceramic Coatings, Cast Iron | Diamond oilstones - Rough grinding: 120-240# (Metal/Resin bond); Fine grinding: 500-600# |
| Hard-Chrome Plated, Wear-Resistant Alloys | CBN oilstones (Metal/Resin bond) - Rough grinding: 120-240#; Fine grinding: 500-600# |