Q: Qhov Scope ntawm ASTM A53 yog dab tsi?
A:ASTM A53 npog seamless thiab welded, dub thiab kub -dipped galvanized steel yeeb nkab nyob rau hauv nominal yeeb nkab qhov ntau thiab tsawg (NPS) 1/8 rau NPS 26 [DN 6 txog DN 650], npaj rau kev siv tshuab thiab siab, nrog rau kev siv zoo tib yam hauv chav dej, dej, roj, thiab cua kab-4-6.
Q: Dab tsi yog qhov sib txawv thiab qib ntawm cov yeeb nkab hauv qab ASTM A53?
A:Nws suav nrog peb hom thiab ob qib-4:
Hom F:Rauv- taub qab-welded, nruam welded (Qib A nkaus xwb).
Hom E:Hluav taws xob-kuj-welded (Qib A thiab B).
Hom S:Seamless yeeb nkab, tsim los ntawm kev ua haujlwm kub, thiab ua kom txias txias (Qib A thiab B).
Q: Yuav ua li cas siv cov ASTM A53 yeeb nkab?
A:Nws yog dav siv nyob rau hauv txhua yam thiab siab daim ntaub ntawv, thiab rau kev siv zoo tib yam hauv chav, dej, roj, thiab cua kab-3-4. Nws kuj tseem muaj nyob rau hauv roj av, tshuaj lom neeg, hluav taws xob, thiab tshuab tsim kev lag luam-2.
Q: Puas yog ASTM A53 yeeb nkab haum rau vuam thiab kev ua haujlwm?
A:Yog, nws yog qhov tsim nyog rau kev siv vuam thiab kev ua haujlwm xws li coiling, khoov, thiab flanging. Txawm li cas los xij, Hom F yeeb nkab tsis yog tsim rau flanging-3-6.
Q: Dab tsi yog cov khoom siv hauv tsev sib npaug rau ASTM A53 Qib?
A:Raws li kev lag luam qhov chaw, qhov sib npaug sib npaug yog: A53 Qib A / F sib haum rau Q235 cov khoom siv, A53 Qib A sib haum rau 10 # cov khoom, thiab A53 Qib B sib haum rau 20 # cov khoom siv-2.
