AISI Type BG 42 Stainless Steel
LESCALLOY BG42 VIM-VAR steel is a martensitic, stainless high speed steel that combines the tempering, hot hardness and hardness retention characteristics of M50 high speed steel with the corrosion and oxidation resistance of 440C stainless. BG42 is double vacuum melted to consistently assure high cleanliness and superior properties. It is ideal for aerospace bearings, critical applications, cutlery and other uses that require excellent wear and corrosion resistance.
| AISI BG 42 | |||
| SIZE RANGE | 3/32" - 5/16" | ||
| GRADES: | 3, 5, 10, 25 | ||
| CHEMICAL COMPOSITION | |||
| CARBON | 1.15% MAX. | ||
| CHROMIUM | 14.5% | ||
| IRON | 78.35% | ||
| MANGANESE | 0.50% MAX. | ||
| MOLYBDENUM | 4.0% | ||
| SILICON | 0.30% MAX. | ||
| VANADIUM | 1.02% MAX. | ||
| MECHANICAL PROPERTIES | |||
| DENSITY | 0.280 LB/IN 3 | ||
| POISSONS RATIO | 0.270% | ||
| HARDNESS ROCKWELL C | 56.5 @ TEMP 900°F | ||
| 60 @ TEMP 600°F | |||
| 63 @ TEMP 200°F | |||
| MODULUS IN ELASTICITY | 26190 @ TEMP 900°F | ||
| MODULUS OF RIGIDITY | 10210 @ TEMP 900°F | ||
| PHYSICAL CHARACTERISTICS | |||
| CORROSION RESISTANCE | EXCELLENT | ||
| GENERAL USAGE | |||
| AEROSPACE BEARINGS, CRITICAL APPLICATIONS & WEAR RESISTANCE | |||