ASTM A249 Tubing, ASTM A249 TP304, ASTM A249 TP316L, ASTM A249 TP304L.ASTM A249 HOM 304 Nqe.

ASTM A249 / A249M - 16a

Tus lej ASTM qhia txog tus qauv tshwj xeeb ntawm ASTM tus qauv.

A249 / A249M – 16a

A = ferrous hlau;

249 = tus lej xov tooj

M = SI units

16 = xyoo ntawm kev saws me nyuam thawj zaug (los yog, nyob rau hauv cov ntaub ntawv ntawm kev kho dua, lub xyoo ntawm kev kho tshiab kawg)

a = qhia txog kev hloov kho tom ntej hauv tib lub xyoo