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Main Trademarks:

Chinese Standards	American Standards	Japanese Standards
9Cr18	440
9Cr18Mo	440C	SUS440C

Main Chemical Compositions:

Chemical Elements	Percentage(%)
C	0.95---1.20%
Mn	<=1.00%
Si	<=1.00%
Cr	16.00---18.00%
S	<=0.030%
P	<=0.040%
Mo	<=0.75%