SPCG steel hlauyog cov duab sib sib zog nqus ntxiv zoo uas tsis muaj kev laus txias txias dov steels, uas yog siv rau ultra-dav duab daim ntaub ntawv. SPCG steels tsis sib xws nrog SPCF steels raws li lawv txoj kev vam meej ntawm kev ua haujlwm tob tob. SPCG steel yog tsim los ntawm qib IF steels. Qib IF steels yog qib tshwj xeeb ntawm cov hlau uas ua los ntawm cov pa roj carbon tsawg thiab nitrogen cov ntsiab lus hauv cov khoom siv.Dimensional Cov yam ntxwv ntawm SPCG Steels: Qhov tsim nyog tuab rau cov khoom siv SPCG no raws li demarcated hauv JIS 3141 pib los ntawm 0.25 hli mus rau 2.5. mm. Qhov dav ntawm SPCG steel yog li ntawm 950 hli txog 2000 hli.
SPCG Steel Chemical CompositionJIS G 3141 qhia txog cov tshuaj muaj pes tsawg leeg ntawm SPCG steels raws li hauv qab no:
Qhov feem pua siab tshaj ntawm Carbon (C) yog 0.02 feem pua.
Qhov feem pua siab tshaj ntawm Manganese (Mn) yog 0.25 feem pua.
Qhov feem pua siab tshaj ntawm Phosphorous (P) yog 0.020 feem pua.
Qhov feem pua siab tshaj plaws ntawm Sulfur (S) yog 0.020 feem pua.
Cov seem yog hlau (Fe) feem pua thiab nrog ob peb qhov tsis zoo.
SPCG Steel Mechanical Properties: Hauv qab no yog qee yam ntawm cov khoom siv ntawm SPCG steels:
SPCG steel tensile zogyog qhia hauv Newton ib millimeters thiab nws yuav tsum yog tsawg kawg yog 270 N / mm2 (MPa) & lub zog tawm los yog 190 N / mm2 (MPa).
Qhov feem pua ntawm qhov tsawg kawg nkaus rau elongation yog los ntawm 42 mus rau 46 feem pua pib ntawm 0.4 hli mus rau 2.5 hli thiab tshaj.
Cov ntaub ntawv tuav superior tsis-aging & stabilized interstitial dawb khoom.
SPCG steels tuaj yeem ua kom tob tob tob & tuaj yeem kav ntev dua li piv rau SPCE steels. Cov khoom sib npaug rau cov khoom siv qib no hauv ISO 3574 tus qauv yog CR5 steel.
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