1.1 Txuj kev faib khoom siv rau cov kav dej steel:

1.1.1 Los ntawm cheeb tsam

(1) Cov qauv hauv tsev: cov qauv hauv tebchaws, cov qauv kev lag luam, cov qauv kev lag luam

(2) Cov txheej txheem thoob ntiaj teb:

Tebchaws Asmeskas: ASTM, ASME

United Kingdom: BS

Lub teb chaws Yelemees: DIN

Japan: JIS

1.1.2 Muab faib los ntawm lub hom phiaj: cov qauv khoom, cov qauv tshuaj xyuas cov khoom, cov khoom siv raw khoom

1.2 Cov ntsiab lus tseem ceeb ntawm cov qauv khoom muaj xws li hauv qab no:

Scope ntawm daim ntawv thov

Loj, puab thiab qhov hnyav (specification, sib txawv, ntev, curvature, ovality, tus me nyuam nyhav, cim)

Cov kev xav tau: (tshuaj lom neeg muaj pes tsawg leeg, khoom xa tuaj, khoom siv kho tshuab, nto zoo, thiab lwm yam)

txoj kev sim

xeem cov cai

Ntim, labeling thiab daim ntawv pov thawj zoo

1.3 Marking: yuav tsum muaj tshuaj tsuag luam ntawv, stamping, luam ntawv rau cov menyuam, steel stamping lossis sticking stamp rau qhov kawg ntawm txhua cov yeeb nkab steel

Lub logo yuav tsum suav nrog qib steel, cov khoom specification, cov khoom tus qauv, thiab tus neeg muag khoom lub logo lossis cov cim lag luam

Txhua pob ntawm cov kav hlau uas ntim rau hauv cov pob khoom (txhua lub pob yuav tsum muaj tib lub batch tooj) yuav tsum tsis pub tsawg tshaj 2 lub cim, thiab cov paib yuav tsum tau qhia: tus neeg muag khoom lub cim lag luam, lub npe steel, lub tshuab hluav taws xob, batch tooj, daim ntawv cog lus, cov khoom specification, Cov khoom txheem, qhov hnyav, tus naj npawb ntawm daim, hnub tsim khoom, thiab lwm yam.

1.4 Daim Ntawv Pov Thawj Zoo: Cov yeeb nkab xa tawm yuav tsum muaj cov ntaub ntawv pov thawj uas ua raws li daim ntawv cog lus thiab cov qauv khoom, suav nrog:

Tus neeg muag khoom lub npe lossis luam tawm

Lub npe neeg yuav khoom

Hnub xa khoom

Daim ntawv cog lus No

Cov qauv khoom

Qib steel

Thaum tshav kub kub tooj, batch tooj, tus me nyuam raws li txoj cai, qhov hnyav (los yog tus naj npawb ntawm daim) thiab tus naj npawb ntawm daim

Ntau lub npe, specification thiab qib zoo

Ntau yam kev soj ntsuam tau teev tseg hauv cov qauv khoom