The specified radius of striker edge values for the Class J – Charpy and Izod Automatic Impact Testing System are as follows:

ISO 179, GB/T 1043:

• The specified radius of striker edge is 2±0.5mm. This means that the striker edge radius should be within 1.5mm to 2.5mm.

ASTM D6110:

• The specified radius of striker edge is 3.17±0.12mm. This means that the striker edge radius should be within the range of 3.05mm to 3.29mm.

The radius of the striker edge is a crucial parameter in impact testing as it determines the striking surface geometry. It affects the stress distribution and fracture behaviour of the tested specimens. The specified values ensure consistency and standardization in impact testing according to the respective standards.

With the Class J – Charpy and Izod Automatic Impact Testing System, users can ensure compliance with the specified radius of striker edge values for ISO 179, GB/T 1043, and ASTM D6110. This facilitates accurate and reliable impact testing results.

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