Dab tsi yog lub ntsiab lus ntawm STPG yeeb nkab?
Stpg yeeb nkab sawv rau cov yeeb nkab steel, uas feem ntau yog siv rau kev pabcuam siab. Tus qauv rau hom yeeb no yog JIS G 3454 (1990), thiab cov qib tseem ceeb yog: Stpg 410, Stpg 380, Stpg 410, Stpg 410, Stpg 410, Stpg 410, Stpg 380 Cov pa roj carbon cov hlau, uas stpg sawv ntsug, yog siv dav hauv petrochemical thiab lwm thaj chaw uas muaj kev kub siab tiv thaiv uas muaj kev kub siab.
JIS G 3454 yog tus qauv kev lag luam Nyij Pooj (JIS) uas yog siv los txhais cov kev siv thiab cov cai hlau rau cov kav hlau loj. Cov kav dej no tsuas yog siv rau kev thauj ntawm cov khoom siv qis thiab nruab nrab ntawm cov khoom siv, thiab cov roj av kom haum rau cov khoom siv hluav taws xob, thiab haum rau cov ntawv thov kev lag luam uas xav tau cov khoom siv kub thiab kub.
