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PUMA blade steels
| Designation |
Carbon |
Silicon |
Manganese |
Phosphorus |
Sulfur |
Chrome |
Vanadium |
Molybdenum |
Hardness |
| Material |
% C |
% SI |
% Mn |
% P |
% S |
% CR |
% V |
% Mo |
HRC |
| 1.4034 / 420* |
0,43 - 0,50 |
< 1,00 |
< 1,00 |
< 0,04 |
<0,015 |
12,50 - 14,50 |
- |
- |
52 - 54 |
| 1.4109 |
0,65 - 0,75 |
< 0,70 |
< 1,00 |
< 0,04 |
<0,015 |
14,00 - 16,00 |
- |
0,40 - 0,80 |
55 - 58 |
| 1.4110/ 440A* |
0,48 - 0,60 |
< 1,00 |
< 1,00 |
< 0,04 |
<0,015 |
13,00 - 15,00 |
< 0,15 |
0,50 - 0,80 |
55 - 57 |
| 1.4112/ 440B* |
0.85 - 0.95 |
< 1,00 |
< 1,00 |
< 0,04 |
<0,015 |
17,00 - 19,00 |
0,07 - 0,12 |
0,90 - 1,30 |
55 - 57 |
| 1.4116 |
0,45 - 0,55 |
< 1,00 |
< 1,00 |
< 0,04 |
<0,015 |
14,00 - 15,00 |
0,10 - 0,20 |
0,50 - 0,80 |
55 - 57 |
| 1.4125/ 440C* |
0,90 - 1,25 |
0,35 |
0,50 |
0,018 |
0,004 |
16,00 - 18,00 |
- |
0,60 - 0,75 |
57 - 60 |
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DAMAST
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| RWL 34 |
1,05 |
0,50 |
0,50 |
- |
- |
14,00 |
0,20 |
4,00 |
57 - 60 |
| PMC 27 |
0,60 |
0,50 |
0,50 |
- |
- |
13,50 |
- |
- |
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*
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American designation |
| C |
Carbon forms carbides of all other elements by the hardness procedure. The carbides of the different elements are different hardnesses. |
| CR |
Chrome causes a certain rust inertia and increases the hardness of the blade. |
| Mn |
Manganese binds redundant oxygen and degasses the melt. Hardness does not increase proportionately to higher alloy mixtures. |
| Mo |
Molybdenum has the hardest carbide. It increases firmness and corrosion resistance. With higher alloy portions the heatproof quality increases. |
| P |
Phosphorus is unwanted. It increases the hardness, however it makes the steel fragile with higher alloy portions. |
| SI |
Silicon degasses the melt. With small amounts, tensil strength improves. |
| S |
Sulfur is an unwanted element. It is regarded as pollution and is often not mentioned with the analyses. |
| V |
Vanadium improves hardness & breaking strength. It contributes to finer grain formation. |
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