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STAINLESS STEEL TECHNICAL DATA
(CHEMICAL RESISTANCE)

STAINLESS STEEL CHEMICAL RESISTANCE

      Martensite Series Ferrite Series Austenite Series
Chemicals Content Ratio％ 410 420 440A 430 446 302　303
304		 316
317		 309S
310S
Sulfuric Acid ≦0.25 C C C C C A≦30℃
B≦50℃		 A≦50℃
B≦Boil		 A≦30℃
B≦50℃
0.25～5 C C C C C B≦30℃ B≦50℃ B≦30℃
5～10 C C C C C C B≦30℃ C
10～75 C C C C C C C C
75～95 C C C C C B≦30℃ B≦50℃ B≦30℃
95～100 C C C C C A≦30℃
B≦80℃		 same as on the left same as on the left
＞100 C C C C C A≦60℃
B≦200℃		 same as on the left same as on the left
nitric acid ≦0.5 A≦30℃
B≦Boil		 same as on the left B≦50℃ A≦Boil same as on the left same as on the left same as on the left same as on the left
0.5～20 A≦30℃
B≦70℃		 B≦70℃ B≦50℃ A≦Boil same as on the left same as on the left same as on the left same as on the left
20～40 B≦30℃ same as on the left C A≦70℃ A≦Boil same as on the left same as on the left same as on the left
40～70 B≦30℃ same as on the left C A≦60℃
B≦90℃		 A≦80℃ same as on the left same as on the left A≦Boil
70～95 C C C A≦30℃
B≦50℃		 A≦50℃
B≦70℃		 same as on the left same as on the left same as on the left
＞95 C C C B≦30℃ same as on the left same as on the left same as on the left B≦50℃
Hydrochloric Acid and Chloride Salt ≦5 C C C C C C B≦30℃ C
＞5 C C C C C C C C
Hydrofluoric acid   C C C C C C C C
Phosphoric Acid ≦5 C C C C C A≦30℃ A≦Boil A≦30℃
B≦60℃
5～25 C C C C C B≦30℃
(5～10%)		 A≦Boil B≦60℃
25～50 C C C C C C A≦95℃
B≦Boil		 ≦30℃
50～85 C C C C C C A≦30℃
B≦120℃		 C
＞85 C C C C C C C C
Acetic Acid and Acetic Anhydride ≦10 B≦30℃ B≦Boil same as on the left same as on the left same as on the left A≦Boil same as on the left same as on the left
10～50 C B≦30℃ same as on the left B≦Boil same as on the left A≦80℃
B≦Boil		 A≦Boil same as on the left
50～80 C B≦30℃ same as on the left B≦80℃ same as on the left A≦80℃
B≦Boil		 A≦Boil A≦80℃
B≦Boil
80～99 C B≦Boil same as on the left B≦80℃ same as on the left A≦80℃
B≦Boil		 A≦Boil A≦80℃
B≦Boil
Acetic Anhydride B≦Boil same as on the left same as on the left same as on the left same as on the left same as on the left A≦Boil B≦Boil
calcined soda ≦10 same as on the left same as on the left same as on the left same as on the left same as on the left A≦Boil same as on the left same as on the left
10～50 B≦30℃ same as on the left same as on the left same as on the left same as on the left A≦100℃
B≦Boil		 same as on the left same as on the left
50～70 C C C C C A≦100℃
B≦150℃		 same as on the left same as on the left
70～absolute
(≦260℃)		 C C C C C B B B
Otheralkaline Hydroxide
lithium hydroxidecalcined
potashbarium hydroxide		 similar to calcined soda
magnesium hydroxidecalcium hydroxide same as all metal types A class for all ranges
Alkaline Prussiate and Sulfide sodium cyanidekalium cyanidecyanide liquid solution for coating sodium sulfidepotassium sulfide same as calcined soda
Ammonia absolute A A A A A A A A
Ammonium Hydroxideand Humidity and Moisture B≦Boil same as on the left same as on the left same as on the left same as on the left A≦Boil same as on the left same as on the left

STAINLESS STEEL CHEMICAL COMPOSITION

Symbol of Types Chemical Component %
C Si Mn P S Ni Cr Mo other
SUS 201 0.15
and below		 1.00
and below		 5.50～7.50 0.060
and below		 0.030
and below		 3.50～5.50 16.00～18.00 ― N 0.25
and below
SUS 201 0.15
and below		 1.00
and below		 2.00
and below		 0.045
and below		 0.030
and below		 8.00～10.00 17.00～19.00 ― ―
SUS 303 0.15
and below		 1.00
and below		 2.00
and below		 0.20
and below		 0.15
and below		 8.00～10.00 17.00～19.00 (1) ―
SUS 303Se 0.15
and below		 1.00
and below		 2.00
and below		 0.20
and below		 0.060
and below		 8.00～10.00 17.00～19.00 ― Se 0.15
and above
SUS 304 0.08
and below		 1.00
and below		 2.00
and below		 0.045
and below		 0.030
and below		 8.00～10.50 18.00～20.00 ― ―
SUS 304L 0.030
and below		 1.00
and below		 2.00
and below		 0.045
and below		 0.030
and below		 9.00～13.00 18.00～20.00 ― ―
SUS 304NI 0.08
and below		 1.00
and below		 2.50
and below		 0.045
and below		 0.030
and below		 7.00～10.50 18.00～20.00 ― N 0.10～0.25
SUS 305 0.12
and below		 1.00
and below		 2.00
and below		 0.045
and below		 0.030
and below		 10.50～13.00 17.00～19.00 ― ―
SUS 305JI 0.08
and below		 1.00
and below		 2.00
and below		 0.045
and below		 0.030
and below		 11.00～13.50 16.50～19.00 ― ―
SUS 309S 0.08
and below		 1.00
and below		 2.00
and below		 0.045
and below		 0.030
and below		 12.00～15.00 22.00～24.00 ― ―
SUS 310S 0.08
and below		 1.50
and below		 2.00
and below		 0.045
and below		 0.030
and below		 19.00～22.00 24.00～26.00 ― ―
SUS 316 0.08
and below		 1.00
and below		 2.00
and below		 0.045
and below		 0.030
and below		 10.00～14.00 16.00～18.00 2.00～3.00 ―
SUS 316L 0.030
and below		 1.00
and below		 2.00
and below		 0.045
and below		 0.030
and below		 12.00～15.00 16.00～18.00 2.00～3.00 ―
SUS 321 0.08
and below		 1.00
and below		 2.00
and below		 0.045
and below		 0.030
and below		 9.00～13.00 17.00～19.00 ― Ti 5xC%
and above
SUS 347 0.08
and below		 1.00
and below		 2.00
and below		 0.045
and below		 0.030
and below		 9.00～13.00 17.00～19.00 ― Nb 10xC%
and above
SUS 384 0.08
and below		 1.00
and below		 2.00
and below		 0.045
and below		 0.030
and below		 17.00～19.00 15.00～17.00 ― ―
SUS XM7 0.08
and below		 1.00
and below		 2.00
and below		 0.045
and below		 0.030
and below		 8.50～10.50 17.00～19.00 ― Cu 3.00～4.00