"low-carbon steel"@en-us . . . . "0"^^ . . . "0.125"^^ . . "114102488"@en-us . "14952878-n"^^ . . "114952878"^^ . "mild steel"^^ . . "110728682"@en-us . . "mild steel"@en-us . "steel with less than 0.15% carbon"@en-us . . . "soft-cast steel"@en-us .