4-Ball Specimens

4-Ball Specimens

FenixES Four Ball Specimens are sold as a pack of 400 balls. The ball specimen is a 12.7 mm diameter. The specimens are manufactured to comply with ASTM D2266, D2596, D2783, and D4172 test methods. You can contact us for more detailed information.

Methods: ASTM D2622, ASTM D2596, ASTM D2783, ASTM D4172

Diameter 12.7 mm
Material AISI 52100/535A99 (Grade 25 per ISO 3290)
Roughness Extra Polish
Hardness 64 – 66 Rockwell “C” Scale