Paipa u'amea lamolemole mo le ta'avale, paipa u'amea lamolemole mo fausaga
uamea autu
10~45,16Mn,20CrMo~42CrMo
tulaga tau gaosiga
GB8162 《faagau'u u'amea lamolemole mo fausaga》
ASME SA519, paipa uamea kabonu ma paipa u'amea-umea mo le fa'aogaina o le fausaga.
