1. Cast iron to which nickel has been added to make it resist abrasion
   - Ni-hard iron

Type of: alloy cast iron, alloy iron

• ropable
• rope
• genus Thamnophilus
• genus Thamnophis
• genus Thelypteris
• genus Theobroma
• genus Thermobia
• genus Thermopsis
• genus Thespesia
• genus Thevetia
• genus Thielavia
• genus Thiobacillus
• genus Thlaspi
• genus Thomomys
• genus Threskiornis
• genus Thrinax
• genus Thrips
• genus Thryothorus
• genus Thuja
• genus Thujopsis
• genus Thunbergia
• genus Thunnus
• genus Thylacinus
• genus Thylogale
• genus Thymus