Kaipupuri me te kaiwhakarato o ASTM A249 Tubing

ASTM A249 / A249M – 16a

Ko te nama tohu ASTM ka tautuhi i tetahi putanga ahurei o te paerewa ASTM.

A249 / A249M – 16a

A = metara ferrous;

249 = tau raupapa kua whakaritea

M = waeine SI

16 = tau o te whakatamarikitanga tuatahi (mehemea he whakatikatika, te tau o te whakahounga whakamutunga)

a = e tohu ana i te whakahounga ka whai ake i taua tau