White-metal alloys are in use on rubber machines, and cast-iron bearings have been employed satisfactorily for years.
"The Preparation of Plantation Rubber" by Sidney Morgan
Antimony renders iron cold short, the alloy is harder and more fusible, and approaches in character to cast iron.
"The American Quarterly Review" by Various
The practice of making castings of iron is comparatively modern; those of the ancients were made of brass, and other alloys of copper.
"Popular Technology; Volume 2" by Edward Hazen
This standard applies to control valves having bodies, bonnets, cover plates, and bottom flanges made of carbon steel, low alloy and high alloy (stainless) steel, nickel-base alloy, cast iron, and ductile iron.
While low-alloy white-iron castings, which have an alloy content below 4%, develop hardness in the range of 350-550 HB, the high-alloy irons range in hardness from 450-800 HB.