Acero bajo en carbono
ASTM A945 Grade 50 Non-Treated or Normalized or Quenched and TemperedAcero inoxidable martensítico
ASTM A705 Grade XM-12 Age-Hardening H1150Nitriding Steel
DIN EN 10085 Grade 1.8522Acero inoxidable martensítico
ASTM A565 Grade XM-32 Heat treated for high-temperature service