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| Material Analysis M-50 |
| Carbon |
0.77/.85% max. |
| Manganese |
0.35% max. |
| Silicon |
0.75% max. |
| Phosphorous |
0.015% max. |
| Sulphur |
0.015% max. |
| Chromium |
3.75/4.25% max. |
| Nickel |
0.15% max. |
| Vanadium |
0.90/1.10% max. |
| Molybdenum |
4.00/4.50% max. |
| Cobalt |
0.25% max. |
| Tungsten |
0.25% max. |
| Copper |
0.10% max. |
| Iron |
Balance |
| |
| Physical Properties |
| Specific Gravity |
7.87 |
| Density |
0.288 lbs/in.3 |
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| Mechanical Properties |
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| Hardness |
60-65 Rockwell C |
| Maximum operating temperature |
900°F |
Specialty Balls Information Page Non-stock Item |
| Material Analysis 52100 |
| Carbon |
0.98-1.10% max. |
| Manganese |
0.25-0.45% max. |
| Phosphorous |
0.025% max. |
| Sulphur |
0.025% max. |
| Silicon |
0.02-0.35% |
| Chromium |
1.3-1.6 |
| Iron |
Balance |
| |
| Physical Properties |
| Specific Gravity |
7.8 |
| Density |
0.283 lbs/in.3 |
| |
| Mechanical Properties |
| Modulus of elasticity |
29,000 Kpsi |
| Modulus of rigidity |
12,000 Kpsi |
| Hardness |
60-65 Rockwell C |
| Maximum operating temperature |
900°F |
Specialty Balls Information Page |
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