Scope ntawm ASTM A737

ASTM A737 steel phaj yog siv rau cov kav dej thiab ua cov hlab ntsha siab, cov khoom siv muaj zog thiab cov hlau tsis tshua muaj hlau. Nws suav nrog ob qib ntawm Qib B [Min YS 345Mpa] thiab Qib C [Min YS 415Mpa].

Qhov siab tshaj plaws Thickness

Qhov siab tshaj plaws ntawm daim hlau tsuas yog txwv los ntawm lub peev xwm ntawm cov tshuaj muaj pes tsawg leeg thiab kev kho cua sov kom ua tau raws li cov cai ntawm cov cuab yeej cuab tam; Txawm li cas los xij, kev xyaum tam sim no ib txwm txwv qhov siab tshaj plaws rau 4 nti. [100 mm] rau txhua qib.

Kev Xa Khoom

ASTM A737 qib C nyob rau hauv cov txheej txheem raws li dov yog rhiab heev rau kev tawg thaum lub sij hawm hluav taws kub txiav, kev thauj mus los, thiab tuav, tshwj xeeb tshaj yog nyob rau hauv thicknesses tshaj 2 in. [50 mm]. Daim hlau yuav tsum tsis txhob raug xa mus rau hauv cov xwm txheej zoo li dov tsuas yog los ntawm kev sib cog lus ntawm cov chaw tsim khoom thiab cov neeg yuav khoom.

Cov ntaub ntawv xa mus

ASTM Txuj

A20 / A20M General Requirements ntawm steel daim hlau rau cov hlab ntsha siab.

A435 / A435M Rau ncaj-beam Ultrasonic Examination ntawm steel daim hlau.

A577 / A577M Rau UT ntawm Angel-beam ntawm steel phaj.

A578 / A578M Rau ncaj-beam UT kev tshuaj xyuas ntawm cov hlau phaj rau cov ntawv tshwj xeeb.

General Requirements thiab Ordering Information

Cov khoom siv rau qhov kev qhia tshwj xeeb no yuav tsum ua raws li qhov yuav tsum tau muaj ntawm Specification A20 / A20M. Cov kev cai no qhia txog cov kev sim thiab kev rov ua dua tshiab thiab cov txheej txheem, tso cai hloov pauv ntawm qhov ntev thiab qhov loj, zoo, kho qhov tsis xws luag, kos npe, thauj khoom, thiab xaj cov ntaub ntawv.

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