420 420S29 420S37 420S45
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420 is a martensitic stainless steel of the 13% chromium type. It is available with 3 variations in the carbon content As a 13% chromium stainless steel it will achieve a high hardness. It gives a good polish and is resistant to attack from corrosive plastics.
Typical Analysis |
420S29 |
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C. |
Mn. |
P. |
S. |
Si. |
Cr. |
Ni. |
Mo. |
0.14- |
1.00% |
0.04% |
0.03% |
1.00% |
11.50- |
1.00% |
0.30% |
0.20% |
max. |
max. |
max.. |
max. |
13.50% |
max |
max. |
Typical Analysis |
420S37 |
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|
C. |
Mn. |
P. |
S. |
Si. |
Cr. |
Ni. |
Mo. |
0.20- |
1.00% |
0.04% |
0.03% |
1.00% |
12.00- |
1.00% |
1.00% |
0.28% |
max. |
max. |
max.. |
max. |
14.00% |
max. |
max. |
Typical Analysis |
420S45 |
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|
C. |
Mn. |
P. |
S. |
Si. |
Cr. |
Ni. |
0.28- |
1.00% |
0.04% |
0.03% |
1.00% |
12.00- |
1.00% |
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0.36%
|
max. |
max. |
min. |
max. |
14.00% |
max. |
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