S. S. 410

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UNS - S41000

Grade 410 Stainless Steels are universally useful martensitic stainless steels containing 11.5% chromium, which gives good corrosion resistance properties. However, the corrosion resistance of grade 410 steels can be further improved by a series of processes for example, hardening, tempering and polishing. Quenching and tempering can harden grade 410 steels. The main applications of Stainless Steel 410

involve mild corrosion, heat resistance and high strength.Martensitic stainless steels are fabricated by utilizing techniques that require final heat treatment. These grades are less resistant to corrosion when compared to that of austenitic grades. Their working temperatures are frequently influenced by their loss of strength at high temperatures, because of over-tempering and loss of ductility at sub-zero temperatures.

  • Hardenable stainless which may be tempered as high as 1350°F to produce high impact toughness.
  • Oxidation resistant through 1500°F intermittently, 1200°F continuously.
  • Corrosion resistant.

  • Press plates
  • Petrochemical equipment
  • Gate valves
  • Mining machinery
  • Distillation trays


Machining is tough, draggy chips along with heavy build-up. While this alloy can be machined in the annealed condition, it has tendency to act better in the cold drawn or heat treated condition.


With this alloy most common techniques of welding can be successfully utilized. It is advisable to preheat the workpiece to 350-400 F (177-204 C) to reduce the chance of cracking. Post-weld annealing is recommended to reattain maximum ductility. Filler metal, when required, should be AWS E/ER410.

Hot Working

2000-2200 F (1093-1204 C) is the appropriate hot work range. Do not work this material beneath 1650 F (899 C).

Cold Working

Cold Working is promptly formed by utilizing the most common practices.


1200-1400 F (649-760 C) followed by air cooling.


Temper for desired hardness, air or furnace cool.


Hardening at 1750-1850 F (954-1010 C) oil quench for maximum hardness.

Chemical Composition %

0.15 max1.0 max0.040 max 0.030 max11.5 - 13.51.0 maxRemainder

Mechanical Properties

Tensile Strength (ksi)0.2% Yield Strength (ksi)Elongation% in 2 inches

Physical Properties

UnitsTemperature in °C
Density7.74 g/cm³Room
Specific Heat0.11 Kcal/kg.C22°
Melting Range1482-1532 °C-
Modulus of Elasticity 200 KN/mm²20°
Electrical Resistivity570 µΩ.cmRoom
Coefficient of Expansion9.9 µm/m °C20 - 100°
Thermal Conductivity24.9 W/m -°K100°

ASTM Specifications

Pipe / Tube (SMLS)Pipe / Tube WeldedSheet / Plate BarForgingFittings Wire
A 511A 268 A 176, A 240A 276, A 314, A 479A 193, A 314, A 194, A 473, A 336A 182A 580, A 493


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