Nevertheless, residual
stresses greater than 240 MPa (35 ksi) are possi-
ble. Minimum ASTM International yield
requirements, however, for Zr702, Zr704, and
Zr705 at room temperature are 210, 240, and 380
MPa (30, 35, and 55 ksi), respectively. This
implies that only Zr705 is likely to retain
high enough stresses from welding to become
susceptible to DHC. Practically, this has been the
case.