Grey Hlau Sand Castings

Xuab zeb castingua los ntawm grey hlau yog ib tug nqi-zoo conbination vim hais tias cov grey hlau tsis tshua kim thiab xuab zeb casting yuav ncav cuag saj zawg zog tsim nyob rau hauv cov qauv.Grey cam khwb cia hlau(tseem hu ua grey cam khwb cia hlau) yog ib pawg ntawm cov cam khwb cia hlau nrog rau ntau hom qib raws li qhov sib txawv ntawm cov qauv sib txawv. Grey cam khwb cia hlau yog ib hom hlau-carbon alloy thiab nws tau txais nws lub npe "grey" los ntawm qhov tseeb tias lawv cov ntu zoo li grey. Cov qauv metallographic ntawm grey cam khwb cia hlau yog tsim los ntawm flake graphite, hlau matrix thiab grain ciam teb eutectic. Thaum lub sij hawm grey hlau, cov Carbon yog nyob rau hauv flake graphite. Raws li ib qho ntawm cov khoom siv dav siv hlau, cam khwb cia grey hlau muaj ntau qhov zoo ntawm cov nqi, castability thiab machinablity. Ntau lawm raws li tus qauv ASTM A48, A536; DIN 1691, 1693; ISO 185, 1083; EN 1561, 1563; DIN 1691, 1693; AS 1830, 1831; JIS, UNI, NF, BS, UNF, NBN, AS, SS, NS. Cov ntaub ntawv qib suav nrog:

• ISO185: 100, 150, 200, 250, 300
• ASTM A48: NO.20, NO.25, NO.30, NO.35, NO.40, NO.45
• DIN 1691: GG10, GG15, GG20, GG25, GG30
• TS EN 1561: EN-GJL-100, EN-GJL-150, EN-GJL-200, EN-GJL-250, EN-GJL-300
• BS 1452: 100, 150, 200, 250, 300
• AS 1830: T150, T220, T260, T300