Hantidhawrka iyo alaab-qeybiyaha ASTM A249 Tubing
ASTM A249 / A249M - 16a
Nambarka calaamadeynta ASTM ayaa tilmaamaya nooca gaarka ah ee heerka ASTM.
A249 / A249M - 16a
A = biraha birta ah;
249 = lambar taxane ah oo loo qoondeeyay
M = SI unugyo
16 = sanadka korsashada asalka ah (ama, xaalada dib u eegista, sanadka dib u eegistii u dambaysay)
a = waxay muujinaysaa dib u eegis ku xiga isla sanadkaas
Waqtiga boostada: Mar-09-2019