STAINLESS STEEL BALLS
Stainless steels with martensite structure resistant to pure water, steam, oil and gasoline (petrol).
These are magnetic materials with a good mechanical hardness and corrosion resistance. All balls are passivated.
AISI 420B
Equivalent materials to international standards: UNI X30Cr13 - W1.4021 - AFN Z30C 13 - B.S. EN56D - DIN X30Cr13
| CHEMICAL COMPOSITIONS % |
| C |
Si |
Mn |
P |
S |
Cr |
| 0.28 / 0,35 |
1,00 max |
1,00 max |
0,045 max |
0,030 max |
12.00/ 14,00 |
Average through hardness index: HRC 45-50
Diameters: from mm 0,40 to mm 150
Precision grades: ISO 3290 G10-16-20-28-40-100-200-AFBMA G500/G1000
Mechanical properties:
| CRITICAL TENSILE STRENGTH: |
65 kgf/mm2 |
| SPECIFIC WEIGHT: |
7,75 kgf/mm2 |
AISI 420C
Equivalent materials to international standards: UNI X40Cr14 - W 1.3541 - W 4034 - AFN Z40C13 - DIN X45Cr13 -JIS SUS420J2
| CHEMICAL COMPOSITIONS % |
| C |
Si |
Mn |
P |
S |
Cr |
| 0,30 / 0,50 |
1,00 max |
1,00 max |
0,040 max |
0,030 max |
12,50/14,50 |
Average through hardness index: HRC 53-57
Diameters: from mm 0,40 to mm 150
Precision grades: ISO 3290 G10-16-20-28-40-100-200-AFBMA G500!G1000
Mechanical properties:
| CRITICAL TENSILE STRENGHT: |
65 kgf/mm2 |
| SPECIFIC WEIGHT: |
7,75 kgf/mm2 |
| 
