{{0 {}}}} ** Dab tsi yog astm yeeb nkab qib? **
ASTM cov qib tshuab hluav taws xob xa cov qauv kev ua haujlwm rau cov khoom siv rau cov khoom siv rau cov khoom siv rau cov khoom lag luam ASTM A106 qib B rau kev pab kub siab thiab ASTM A53 qib B rau kev siv dav {}}
{{0 {}}} ** Ua li cas Astm txhais tau li cas hauv Steel? **
ASTM sawv rau ** Lub Koom Haum Asmeskas rau kev sim thiab cov txheej txheem ua haujlwm, thiab cov txheej txheem ua haujlwm, thiab kev nyab xeeb, thiab kev ntseeg siab nyob thoob plaws kev lag luam .
{{0 {}}}} Yog dab tsi txawv ntawm Astm thiab ASME Yeeb Nkab? **
- ** SHTM cov qauv txheej txheem ** tsom rau ** Khoom siv specifications ** (e {}
- ** ASME Cov Qauv Ntawv ** (American Society of Cov Neeg Kho Tshuab
Ntau cov kav dej tau ua tiav nrog cov qauv astm thiab ASME Codes / tsim cov cim {} {{} {}}} piping piping.
{{0 {}}}} Cov yeeb nkab hauv chav kawm twg zoo dua? **
Tsis muaj ib hoob "zoo dua"; haum rau ntawm daim ntawv thov .
- ** Cov kev kawm kawm ntawv ** (e {{1} g}}}
- Xaiv raws cov kev pabcuam: qis dua cov chav kawm (e .}}}} rau cov khoom siv qis; cov chav kawm siab dua (e {{5} g}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}} .
{{0 {{}}} ** Dab tsi yog chav CL hlau? **
** Chav CHAL C steel ** Feem ntau yog hais txog ** Astm A53 Qib C **, cov pa roj carbon hlau qib. Cov khoom tseem ceeb:
- Yam tsawg kawg tensile lub zog: ** 60,000} psi **
- Yam tsawg kawg nkaus paib lub zog: ** 40, 000 psi **
- siv hauv cov txheej txheem thiab qis / nruab nrab ntawm cov kav dej, hvac, thiab tsis yog qhov tseem ceeb pipelines.
