Malleable Steel or Ductile Iron 140 Gate Hinge is available:
HULK Metal mainly manufactures Pipe Handrail Fittings of malleable steel and ductile iron for customers. The grade of malleable steel we use is KTH350-10, which has good strength, plasticity, low-temperature impact performance, wear resistance, and vibration damping. The grade of ductile iron is QT450-10, which has good toughness, plasticity, low-temperature impact resistance, and corrosion resistance. So when purchasing, we can focus on choices.