410 1.4006 SUS410 Stainless Steel Bar

AISI SS 410 Stainless Steel

Introduce of AISI 410 Stainless Steel

AISI 410 is a martensitic stainless steel that provides high strength and hardness with moderate corrosion resistance. A wide range of properties can be developed with different heat treatments, with ultimate tensile strengths ranging from 500 to 1400 MPa. It is magnetic in both the annealed and hardened conditions. High carbon content results in the formation of chromium carbide compounds, providing excellent wear resistance and edge retention when hardened. Additionally, this grade provides excellent high temperature oxidation and scaling resistance, yet is economical due to the low alloy content. Thermal conductivity is improved and thermal expansion reduced relative to austentic stainless grades.

Application of AISI 410 Stainless Steel

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

Specifications of AISI 410 Stainless Steel

AMS 5504, ASTM A 240, EN 1.4006, UNS S41000, Werkstoff 1.4006

 Grade specifications of AISI 410 grade stainless steels

SS 410 Chemical Composition

SS 410 Stainless Steel properties Mechanical stainless steels

Heat Treatments of grade 410 stainless steels

Annealing: Heat slowly to 1500-1650°F (816-899°C), cool to 1100°F (593°C) in furnace, air cool.

Process Annealing: Heat to 1350-1450°F (732-788°C), air cool.

Hardening: Heat to 1700-1850°F (927 - 1010°C), air cool or oil quench.

Follow by stress-relief or temper.

High Temperature Tempering: Heat to 1100 - 1400°F (593 - 760°C) for 1 to 4 hours, air cool.

Low Temperature Tempering: Heat to 300 - 500°F (150 - 260°C) for 0.5 to 1 hours, air cool.

Corrosion Resistance of grade 410 stainless steels

AISI Type 410 provides good corrosion resistance to air, water and some chemicals. It shows satisfactory resistance to ammonia, nitric acid, concentrated sulfuric acid, dilute acetic acid and naptha. Resistance to food acids is good. Maximum corrosion resistance is achieved in the fully hardened condition.>AK Steel Type 410 provides good corrosion resistance to air, water and some chemicals. It shows satisfactory resistance to nitric acid, concentrated sulfuric acid, dilute acetic acid and naptha. Resistance to food acids is good.

Heat Resistance of grade 410 stainless steels

Grade 410 steels have good scaling resistance at temperatures of up to 650 °C. However, the mechanical properties of the material will tend to reduce at temperatures ranging from 400 to 580 °C.

Welding of grade 410 stainless steels

Grade 410 steels can be welded using all conventional welding techniques, but the materials should pre-heated at 150 to 260 °C followed by post-weld annealing treatment, to mitigate cracking. Grade 410 welding rods are recommended for tempering and post-hardening. In the "as welded" conditions, grade 309 filler rods can be used to achieve a ductile joint.

According to AS 1554.6 standards, grade 309 electrodes or rods are preferred for welding 410 steels.

Machining of grade 410 stainless steels

Grade 410 steels 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.