Igwe nkedo bụ carbon-carbon alloy nwere obere akụkụ nke carbon karịrị 2.11%. A na-enweta ígwè nkedo site na ịgbaze ígwè ezi n'ime ọkụ, na-agbakwunye ferroalloy, nchara nchara, na ịlaghachi n'ọkụ iji dozie ihe mejupụtara ya.Ihe nkedo isi awọna ductile iron bụ ihe nkedo abụọ a na-ejikarị eme ihe maka imepụta nkedo.
A na-egosipụta ọkwa nke nkedo nke China nke ọma site na ihe eji arụ ọrụ. Nọmba nke mbụ dị na ọkwa na-egosi ike nkwụsị nke kacha nta (na MPa), na ọnụọgụ abụọ (ọ bụrụ na ọ bụla) na-egosi ogologo oge kacha nta na nkwụsịtụ (%). A na-ekewa ọnụọgụ ọnụọgụ abụọ ahụ site na ngwungwu "-".
Koodu mkpụrụedemede Bekee nke ígwè nkedo isi awọ bụ HT, ebe H bụ mkpụrụedemede mbụ nke Pinyin Chinese (Hui Se) nke pụtara isi awọ; T bụ akwụkwọ ozi mbụ nke Chinese Pinyin (Tie) nke ígwè. Ọnụọgụ ndị dị na akararị ígwè isi awọ nke China na-egosi opekempe ike tensile (MPa). Dịka ọmụmaatụ, HT250 na-anọchite anya igwe nkedo isi awọ nwere ike nkwụsi ike nke 250 MPa kacha nta.
| Ntụnyere Iron Cast Grey si mba dị iche iche | ||||||||||
| Mba. | China | Japan | USA | ISO | Germany | France | Russia | UK | ||
| GB | JIS | ASTM | UNS | DIN | W-Nr. | NF EN | gọst | BS | ||
| 1 | HT100 | FC100 | GG10 | 0,6010 | EN-GJL-100 | gram 10 | Nkeji 100 | |||
| 2 | HT150 | FC150 | 150/~ Nke 20 | F11401 | ISO 185/JL/150 | GG15 | 0.6015 | EN-GJL-150 | gram 15 | Nkeji 150 |
| 3 | HT200 | FC200 | 200/~ Nọmba 30 | F12101 | ISO 185/JL/200 | GG20 | 0.6020 | EN-GJL-200 | gram 18 20 gram 21 | Ọkwa 180 Ọkwa 220 |
| 4 | HT250 | FC250 | 250/~ Nọmba 35 | F12401 | ISO 185/JL/250 | GG25 | 0,6025 | EN-GJL-250 | 24 grams 25 | Nkeji 260 |
| 5 | HT300 | FC300 | 300/~ Nọmba 45 | F13101 | ISO 185/JL/300 | GG30 | 0,6030 | EN-GJL-300 | 30 | Ọkwa 300 |
| 6 | HT350 | FC350 | 350/~ Nọmba 50 | F13501 | ISO 185/JL/350 | GG35 | 0,6035 | EN-GJL-350 | 35 | Ọkwa 350 |
Koodu mkpụrụedemede Bekee nkeígwè ductilebụ QT, ebe Q bụ mkpụrụedemede mbụ nke Chinese Pinyin (Qiumo) nke Chinese spheroidal graphite; T bụ akwụkwọ ozi mbụ nke Chinese Pinyin (Tie) nke ígwè. Enwere ọnụọgụ ọnụọgụ abụọ na akara ule ductile nke China. Nọmba nke mbụ na-anọchite anya ike mgbaji kacha nta (MPa), na ọnụọgụ ọnụọgụ abụọ na-anọchi anya elongation mgbe agbajichara (%). A na-ekewa ọnụọgụ abụọ nke ọnụọgụ site na ngwungwu "-". Dịka ọmụmaatụ, QT400-18 na-anọchite anya ígwè ductile nke nwere opekempe ike nke 480 MPa yana elongation kacha nta nke 18%.
| Ọkwa Ductile Iron sitere na mba dị iche iche | ||||||||||
| Mba. | China | Japan | USA | ISO | German | France | Russia obodo | UK BS | ||
| GB | JIS | ASTM | UNS | DIN | W-Nr. | NF | ||||
| 1 | FCD350-22 | - | - | 350-22 | - | - | - | Bch35 | 350/22 | |
| 2 | QT400-15 | FCD400-15 | - | - | 400-15 | GGG-40 | 0,7040 | EN-GJS-400-15 | BCH40 | 370/17 |
| 3 | QT400-18 | FCD400-18 | 60-40-18 | F32800 | 400-18 | - | - | EN-GJS-400-18 | - | 400/18 |
| 4 | QT450-10 | FCD450-10 | 65-45-12 | F33100 | 450-10 | - | - | EN-GJS-450-10 | Bch45 | 450/10 |
| 5 | QT500-7 | FCD500-7 | 80-55-6 | F33800 | 500-7 | GGG-50 | 0,7050 | EN-GJS-500-7 | BCH50 | 500/7 |
| 6 | QT600-3 | FCD600-3 | ≈80-55-06 ≈100-70-03 | F3300F34800 | 600-3 | GGG-60 | 0,7060 | EN-GJS-600-3 | BCH60 | 600/3 |
| 7 | QT700-2 | FCD700-2 | 100-70-03 | F34800 | 700-2 | GGG-70 | 0,7070 | EN-GJS-700-2 | BCH70 | 700/2 |
| 8 | QT800-2 | FCD800-2 | 120-90-02 | F36200 | 800-2 | GGG-80 | 0,7080 | EN-GJS-800-2 | BCH80 | 800/2 |
| 8 | QT900-2 | 120-90-02 | F36200 | 800-2 | GGG-80 | 0,7080 | EN-GJS-900-2 | ≈Bch100 | 900/2 | |
| Ntụnyere isi awọ isi awọ | Microstructure (Mpịakọta Mpịakọta) (M) | |||
| China (GB/T 9439) | ISO 185 | ASTM A48/A48M | EN 1561 | Ọdịdị Matrix |
| HT100 (HT10-26) | 100 | Nọmba 20 F11401 | EN-GJL-100 | Pearlite: 30-70 s, flakes na-adịghị mma; Ferrite: 30-70; ọnụọgụ abụọ nke Phosphorus Eutectic: ＜7％ |
| HT150 (HT15-33) | 150 | Nọmba.25A F11701 | EN-GJL-150 | Pearlite: 40-90 , obere flakes na-adịghị mma; Ferrite: 10-60; Ọnụọgụ nke phosphorus eutectic: 7％ |
| HT200 (HT20-40) | 200 | Nọmba 30A F12101 | EN-GJL-200 | Pearlite: 95 , ọkara flakes; Ferrite 5 s; Ọnụọgụ nke Phosphorus Eutectic 4 s. |
| HT250 (HT25-47) | 250 | Nọmba.35A F12401 Mba.40A F12801 | EN-GJL-250 | Pearlite: 98 ％ flakes dị obere; Ọnụọgụ nke phosphorus eutectic: 2％ |
| HT300 (HT30-54) | 300 | Nọmba.45A F13301 | EN-GJL-300 | Pearlite: 98 ％ flakes dị obere; Ọnụọgụ nke phosphorus eutectic: 2％ |
| HT350 (HT35-61) | 350 | Nọmba 50A F13501 | EN-GJL-350 | Pearlite: 98 ％ flakes dị obere; Ọnụọgụ nke Phosphorus Eutectic: 1. |
| Ntụnyere Iron Ductile | Ihe mejupụtara kemịkalụ () | Ọdịdị Matrix | |||||||||
| GB/T 1348-1988 | ASTM A536-84 (2004) | EN 1563:-1997 | C | Si | Mn | P | S | Mg | Re | ndị ọzọ | |
| QT400-18 | 60-40-18① F32800 | GJS-400-18 JS1020 | 3.6-3.8 | 2.3-2.7 | 0.5 | 00.08 | 0.025 | 0.03-0.05 | 0.02-0.03 | - | Ferrite annealed |
| QT400-15 | 60-42-10 F32900 | GJS-400-15 JS1030 | 3.5-3.6 | 3.0-3.2 | 0.5 | 00.07 | 00.02 | 0.04 | 0.02 | - | Ferrite annealed |
| QT450-10 | 65-45-12 F33100 | GJS-450-10 JS1040 | 3.4-3.9 | 2.7-3.0 | 0.2-0.5 | 00.07 | 00.03 | 0.06-0.1 | 0.03-0.1 | - | Ferrite annealed |
| QT500-7 | 70-50-05 | GJS-500-7 JS1050 | 3.6-3.8 | 2.5-2.9 | 0.6 | 00.08 | 0.025 | 0.03-0.05 | 0.03-0.05 | - | Pearlite + Ferrite |
| QT600-3 | 80-60-03② F34100 | GJS-600-3 JS1060 | 3.6-3.8 | 2.0-2.4 | 0.5-0.7 | 00.08 | 0.025 | 0.035-0.05 | 0.025-0.045 | - | Pearlite ahaziri ahazi |
| QT700-2 | 100-70-03 F34800 | GJS-700-2 JS1070 | 3.7-4.0 | 2.3-2.6 | 0.5-0.8 | 00.08 | 00.02 | 0.035-0.065 | 0.035-0.065 | Mo0.15-0.4 Cu0.4-0.8 | Ngwakọta Microstructure |
| QT800-2 | - | GJS-800-2 JS1080 | 3.7-4.0 | 2.5 | 0.5 | 00.07 | 00.03 | - | - | Mo0.39 Cu0.82 | Ngwakọta Microstructure |
| QT900-2 | 120-90-02 F36200 | GJS-900-2 JS1090 | 3.5-3.7 | 2.7-3.0 | 0.5 | 00.08 | 0.025 | 0.03-0.05 | 0.025-0.045 | Mo0.15-0.25 Cu0.5-0.7 | Lower Bainite |
| ① sitere na ASTM A716-2003. ② sitere na ASTM A476/A476M-2000. | |||||||||||
Oge nzipu: Ọgọst-13-2022