SUS403 SS Plate

SUS403 SS plate resists dry atmosphere, fresh water, mild alkalies and acids, food, steam and hot gases. Must be hardened for maximum heat and corrosion resistance. Performance SUS403 SS plate is best with a smooth surface finish. Less corrosion resistant than the austenitic grades and also less than 17% chromium ferritic alloys such as SUS403 SS plate.

Main chemical elements composition of SUS403 SS plate
C	Mn	P	S	Si	Cr
0.15	1.0	0.040	0.030	0.5	11.5-13.0
Ni	Mo	N	Cu	Al	Ti

Temper at temperatures appropriate to produce desired mechanical properties. Soak for at least one hour, longer for larger sections, and air cool.

HARDENING

Heat to 1750/1850ºF (955/1010ºC), soak and quench in oil or air cool.

Chemical composition:

• Carbon C: ≤ 0.15

• Silicon Si: ≤0.50

• Manganese Mn: ≤ 1.00

• Phosphorus P : ≤ 0.040

• Sulfur S: ≥0.030

• Chrome Cr: 11.5 to 13.0

• Nickel Ni : ≥0.60

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