---------------------------------------------------------------------------Example of order: ball, diameter 5,556 mm, Grade 40 according to
DIN 5401 ball DIN 5401 - 5,556 mm G40
Example of order:
ball, diameter 9,525 mm, Grade 20 according to
ISO 3290 ball ISO 3290 - 9,525 mm G20
Hardness of stainless steel according to DIN 5401
Hardness of stainless steel 57 - 63 Rockwell C for AISI 440 B (1.4112) 54 - 60 Rockwell C for AISI 420 (1.4034/1.3541)