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China 410 Stainless steel

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China 410 Stainless steel are general-purpose martensitic stainless steels containing 11.5% chromium, which provide good corrosion resistance properties. However, the corrosion resistance of grade 410 steels can be further enhanced by a series of processes such as hardening, tempering and polishing.

Description

China 410 Stainless steel are general-purpose martensitic stainless steels containing 11.5% chromium, which provide good corrosion resistance properties. However, the corrosion resistance of grade 410 steels can be further enhanced by a series of processes such as hardening, tempering and polishing. Quenching and tempering can harden grade 410 steels. They are generally used for applications involving mild corrosion, heat resistance and high strength.

China 410 Stainless steel are fabricated using techniques that require final heat treatment. These grades are less resistant to corrosion when compared to that of austenitic grades. Their operating temperatures are often affected by their loss of strength at high temperatures, due to over-tempering and loss of ductility at sub-zero temperatures.

Reference standard

EN ISO 14343: 2009 Welding consumables. Wire electrodes, strip electrodes, wires and rods for arc welding of stainless and heat resisting steels.

Mechanical properties

  • Rm – Tensile strength (MPa):450
  • Rp0.2 0.2% proof strength (MPa):250
  • A – Min. elongation at fracture (%):15

Applications

  • Bolts, screws, bushings and nuts
  • Petroleum fractionating structures
  • Shafts, pumps and valves
  • Mine ladder rungs
  • Gas turbines

Machinability

China 410 Stainless steel can be easily machined in highly tempered or annealed conditions. However, it is hard to machine grade 410 steels if they are hardened above 30HRC. Free machining grade 416 is the best alternative.

 

Chemical composition

C Si Mn Ni P S Cr Mo Cu
≤0.12 ≤0.5 ≤0.6 ≤0.6 ≤0.03 ≤0.03 11.5-13.5 ≤0.75 ≤0.75

Equivalent Grades of Steel

Grade UNS No Old British Euronorm Swedish SS Japanese JIS
BS En No Name
410 S41000 410S21 56A 1.4006 X12Cr13 2302 SUS 410

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