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Zanglamaydigan po'latdan quyma, kulrang temir quyma, quyma temir quyma

Kulrang temir yo'qolgan ko'pikli quyma

Turli mamlakatlardagi kulrang quyma temirni taqqoslash
Yo'q. Xitoy Yaponiya AQSh ISO Germaniya Fransiya Rossiya Buyuk Britaniya
GB JIS ASTM UNS DIN W-Nr. NF EN gost BS
1 HT100 FC100       GG10 0,6010 EN-GJL-100 ch10 100-sinf
2 HT150 FC150 150/~No.20 F11401 ISO 185/JL/200 GG15 0,6015 EN-GJL-150 gg15 150-sinf
3 HT200 FC200 200/~No.30 F12101 ISO 185/JL/0 GG20 0,6020 EN-GJL-200 gg18 gg20 gg21 180-sinf 220-sinf
4 HT250 FC250 250/~№35 F12401 ISO 185/JL/150 GG25 0,6025 EN-GJL-250 gg24 gg25 260-sinf
5 HT300 FC300 300/~No.45 F13101 ISO 185/JL/150 GG30 0,6030 EN-GJL-300 ch30 300-darajali
6 HT350 FC350 350/~No.50 F13501 ISO 185/JL/150 GG35 0,6035 EN-GJL-350 ch35 350-sinf

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