Stainless Steel 410

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Description

Stainless Steel – Grade 410, UNS S41000, SUS410
ss 410 Chemical Composition
Fe, <0.15% C, 11.5-13.5% Cr, >0.75% Ni, <1.0% Mn, <1.0% Si, <0.04% P, <0.03% S
What is SS410 material?

SS410 is the basic martensitic stainless steel; like most non-stainless steels it can be hardened by a “quench-and-temper” heat treatment. It contains a minimum of 11.5 per cent chromium, just sufficient to give corrosion resistance properties. It achieves maximum corrosion resistance when it has been hardened and tempered and then polished. SUS410 is a general purpose grade often supplied in the hardened, but still machinable condition, for applications where high strength and moderate heat and corrosion resistance are required.

Martensitic stainless steels are optimised for high hardness, and other properties are to some degree compromised. Fabrication must be by methods that allow for poor weldability and usually the need for a final heat treatment. Corrosion resistance of the martensitic grades is lower than that of the common austenitic grades, and their useful operating temperature range is limited by their loss of ductility at sub-zero temperatures and loss of strength by over-tempering at elevated temperatures.

410 stainless steel Mechanical Properties

Tempering Temperature (°C) Tensile Strength (MPa) Yield Strength 0.2% Proof (MPa) Elongation (% in 50mm) Hardness Brinell (HB) Impact Charpy V (J)
Annealed * 480 min 275 min 16 min
204 1310 1000 16 388 30
316 1240 960 14 325 36
427 1405 950 16 401 #
538 985 730 16 321 #
593 870 675 20 255 39
650 755 575 23 225 80
* Annealed properties are specified for Condition A of ASTM A276, for cold finished bar.

# Due to associated low impact resistance this steel should not be tempered in the range 425-600°C

ss410 Equivalent & Specification Comparison

Grade UNS No Old British Euronorm Swedish SS Japanese JIS
BS En No Name
SS410 S41000 410S21 56A 1.4006 X12Cr13 2302 SUS 410
These comparisons are approximate only. The list is intended as a comparison of functionally similar materials not as a schedule of contractual equivalents. If exact equivalents are needed original specifications must be consulted.

Does 410 stainless steel rust?

ss410 resists dry atmosphere, fresh water, mild alkalies and acids, food, steam and hot gases. Must be hardened for maximum heat and corrosion resistance. Performance is best with a smooth surface finish. Less corrosion resistant than the austenitic grades and also less than 17% chromium ferritic alloys such as stainless steel 430.

410 stainless steel Heat Treatment

Annealing 410 stainless steels can be fully annealed at temperatures from 815 to 900 °C, followed by slow furnace cooling and air-cooling. Process annealing of grade 410 steels can be carried out at temperatures ranging from 650 to 760 °C and air-cooled.

Hardening – Hardening of stainless steel 410 can be performed at 925 to 1010 °C, followed by air and oil quenching. Heavy sections of sus410 need to be oil quenched. Tempering, to enhance the mechanical properties and hardness of ss410 steels, follows this process. It is not recommended to perform tempering at temperatures from 400 to 580 °C.

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Does 410 stainless steel rust?
Some grades of stainless steel will form light rust when exposed to mild atmospheric conditions. Most 400 series stainless steels fall into this category and it is particularly true of type 410 which only contains about 11% chromium. The martensitic PH stainless grades like 17-4 and 15-5 will also rust.