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STAINLESS STEEL BALLS
AISI 420/420B/420C

Stainless steels with martensite structure resistant to pure water, steam, oil and gasoline (petrol), blood, alcohol, food environment.

These are magnetic materials with a good mechanical hardness and corrosion resistance. All balls can be passivated.



AISI 420

Equivalent materials to international standards:
W 1.4021

CHEMICAL COMPOSITIONS % *
C Si Mn P S Cr
0,15 min 1,00 max 1,00 max 0,040 max 0,030 max 12,00/14,00

Average through hardness index: HRC 52-58 *

Diameters: from mm 0,50 to mm 150

Precision grades: G10-16-20-28-40-80-100-200-500-700-1000 as per ISO 3290-DIN 5401-AFBMA


AISI 420B

Equivalent materials to international standards:
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 52-55

Diameters: from mm 0,5 to mm 150

Precision grades:
G10-16-20-28-40-80-100-200-500-700-1000 as per ISO 3290-DIN 5401-AFBMA

Mechanical properties:

CRITICAL TENSILE STRENGTH: 65 kgf/mm2
SPECIFIC WEIGHT: 7,75 kgf/mm2


AISI 420C

Equivalent materials to international standards:
X40Cr14 - W 1.3541 - W 1.4034 - 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 52-58 *

Diameters: from mm 0,50 to mm 150

Precision grades: G10-16-20-28-40-80-100-200-500-700-1000 as per ISO 3290-DIN 5401-AFBMA

Mechanical properties:

CRITICAL TENSILE STRENGHT: 65 kgf/mm2
SPECIFIC WEIGHT: 7,75 kgf/mm2