6" x 3" Ductile Steel Wheel Rigid P70 Caster - 5,400 Lbs Capacity 28OR17 6" x 3" Cast Iron

6" x 3" Cast Iron Wheel Swivel Caster - Part # P7006301102

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The ductile steel wheel has similar capacities

387" Temp Range: -45˚F to 500˚F

5" x 1-1/4" Steel Wheel Swivel Caster with Brake - Part # Q525001STLTLB

6" x 3" Ductile Steel Wheel Rigid P70 Caster - 5,400 Lbs Capacity 28OR17 6" x 3" Cast Iron6" x 3" Ductile Steel Wheel Swivel Caster Part # P7006301112 Ductile steel has similar capacities, impact strength, and durability when compared to forged steel wheels, but is more economically priced. Ductile steel is a combination of alloys that give it a much higher weight capacity than standard cast iron wheels, but not quite the capacity and durability of forged steel wheels. While ductile steel is very resilient, it is tough on floors and could