ASTM A53 yog cov qhab-nees steel ua raws li txoj cai ASTM hauv Tebchaws Meskas thiab raug cais raws li Standard American Standard.
Ntawm lawv, A53-F sib raug mus rau domestic q235 steel, A53-A sib raug mus rau domestic 10 # steel, thiab A53-B sib sau rau domestic 20 # hlau.
[Q235] hom carbon yam ntxwv steel, los yog hlau A3. Q sawv cev rau cov kev txwv ntawm cov khoom siv no, ua raws li 235, uas txhais tau hais tias cov nqi ntawm cov ntaub ntawv no yog hais txog 235 MPa. Thiab nrog rau qhov kev nce ntawm cov khoom siv los ua kom nws cov nqi muaj nqis txo, vim cov ntsiab lus qis, tag nrho kev ua tau zoo zog, lub zog, cov khoom siv thiab cov khoom siv vuam zoo zoo sib npaug, feem ntau siv ntau.
【10 # steel】 Qib kawm: 10 hlau; Tawm txheem txheem: GB / T699-1999 "Zoo siab carbon steel hlau"; Tsis tau. 10 steel yog zoo nyob rau hauv plasticity thiab toughness, yooj yim kub thiab txias, ua haujlwm zoo tom qab normalizing los yog txias ua hauj lwm Zoo nkauj weldability, tsis muaj zog brittleness, tsis muaj zog hardenability thiab hardenability.
Tej yam uas yuav tsum tau muaj kev ntxhov siab thiab kev siab tawv, xws li lub cev muaj zog, lub fwj dej, cov tais diav, cov kav dej, cov pa roj carbon monoxide, thiab lwm yam, yuav siv tau rau cov dej txias, txias plhaw, txias txias, txias tho, thiab kub dov. Nws kuj tseem siv tau ua cov khoom sib txuam, cov pa roj carbon, thiab lwm yam nrog lub zog ntawm lub plawv.
[20 # steel] Qeb: 20 steel; Tus txheej txheem: GB / T 699-1999 "zoo-carbon carbon steel"; lub hlau yog ib lub high-zoo tsawg-carbon carbon, txias extrusion, carburizing hardened steel. Cov hlau muaj tsawg zog, zoo toughness, plasticity thiab weldability. Lub zog tensile yog 355 ~ 500MPa thiab qhov elongation yog ≥24%.
Cim npe nrov: Astm ib 53 gr b steel yeeb nkab ss400, ua nyob rau hauv Suav teb, manufacturers, lwm tus neeg
