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Quality Grade
Quality Grade
AAAAA
AAAAA
AAAAA
AAAAA
AAAAA
Material
Stainless Steel
201
301
301
304
304L
316
316
316L
316L
Chemical Composition
C
≤ 0.15%
≤ 0.15%
≤ 0.15%
≤ 0.08%
≤ 0.03%
≤ 0.08%
≤ 0.08%
≤ 0.03%
≤ 0.03%
Si
≤ 0.75% ~ 1%
≤ 1%
≤ 1%
≤ 1%
≤ 1%
≤ 1%
≤ 1%
≤ 1%
≤ 1%
Mn
5.5% ~ 7.5%
≤ 2%
≤ 2%
≤ 2%
≤ 2%
≤ 2%
≤ 2%
≤ 2%
≤ 2%
P
≤ 0.06%
≤ 0.035%
≤ 0.035%
≤ 0.035%
≤ 0.045%
≤ 0.045%
≤ 0.045%
≤ 0.045%
≤ 0.045%
S
≤ 0.03%
≤ 0.03%
≤ 0.03%
≤ 0.03%
≤ 0.03%
≤ 0.03%
≤ 0.03%
≤ 0.03%
≤ 0.03%
Ni
3.5% ~ 5.5%
6% ~ 8%
6% ~ 8%
8% ~ 10.5%
8% ~ 12%
10% ~ 14%
10% ~ 14%
10% ~ 14%
10% ~ 14%
Cr
16% ~ 18%
16% ~ 18%
16% ~ 18%
18% ~ 20%
18% ~ 20%
16% ~ 18%
16% ~ 18%
16% ~ 18%
16% ~ 18%
Mo
2% ~ 3%
2% ~ 3%
2% ~ 3%
2% ~ 3%
N
≤ 0.25%
Hypoallergenic（Nickel release： Excessive nickel
release may cause allergies or
skin irritation,high nickel content does not necessarily trigger allergies.）
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