ASTM A53 sib npaug li cas?
ASTM A53 yog cov yeeb nkab steel qauv tsim los ntawm American Society for Materials Standards (ASTM). ASTM A53-A yog sib npaug rau Suav 10 # steel lossis GB8163 tus qauv khoom; ASTM A53-B yog sib npaug rau Suav 20 # steel lossis GB8163 tus qauv khoom.
Dab tsi yog cov khoom ntawm A53 Gr B ncaj seam steel yeeb nkab?
ASTM A53 Gr.B ncaj seam steel yeeb nkab yog ua los ntawm cov hlau, nrog lub zog tensile yam tsawg kawg nkaus ntawm 60,000 psi thiab qhov tsawg kawg nkaus lub zog ntawm 35,000 psi.
Dab tsi yog qhov txawv ntawm ASTM A53 Gr B qib ncaj seam steel yeeb nkab thiab kauv welded steel yeeb nkab?
Lub ntsiab sib txawv yog nyob rau hauv hom weld. Ncaj seam steel yeeb nkab siv ib leeg ntev weld, hos kauv welded steel yeeb nkab siv kauv weld.
Dab tsi engineering tej yaam num yog ASTM A53 B qib ncaj seam kav tsuas yog siv rau?
ASTM A53 Class B ncaj seam yeeb nkab feem ntau yog siv rau kev thauj cov dej thiab roj av, nrog rau kev siv cov qauv thiab kev siv tshuab.
Dab tsi yog txoj kev kho saum npoo rau ASTM A53 Class B ncaj seam yeeb nkab?
Cov txheej txheem kho deg rau ASTM A53 Class B yeeb nkab suav nrog cov hlau liab qab, roj, kub-dip galvanizing, fusion-bonded epoxy hmoov txheej (FBE), peb- txheej polyethylene txheej (3LPE), thiab ntau lwm yam txheej.
