Irin simẹnti jẹ alloy iron-erogba pẹlu ida kan ti erogba ti o tobi ju 2.11%. Irin simẹnti ni a gba nipasẹ didan irin ẹlẹdẹ ni ileru, fifi ferroalloy kun, irin alokuirin, ati pada si ileru lati ṣatunṣe akopọ.Irin simẹnti grẹyati irin ductile jẹ awọn irin simẹnti meji ti o gbajumo julọ fun ṣiṣe awọn simẹnti.
Awọn onipò irin simẹnti ti China jẹ afihan ni akọkọ ati iyatọ nipasẹ awọn ohun-ini ẹrọ. Eto akọkọ ti awọn nọmba ni ite tọkasi agbara fifẹ to kere julọ (ni MPa), ati eto keji ti awọn nọmba (ti o ba jẹ eyikeyi) tọka elongation ti o kere julọ ni isinmi (%). Awọn eto meji ti awọn nọmba ti wa niya nipasẹ kan daaṣi "-".
Koodu lẹta lẹta Gẹẹsi ti irin simẹnti grẹy jẹ HT, nibiti H jẹ lẹta akọkọ ti Pinyin Kannada (Hui Se) ti o tumọ si grẹy; T jẹ lẹta akọkọ ti Pinyin Kannada (Tie) ti irin. Awọn nọmba ti o wa ni awọn onipò irin grẹy ti China tọkasi agbara fifẹ to kere julọ (MPa). Fun apẹẹrẹ, HT250 duro fun irin simẹnti grẹy pẹlu agbara fifẹ kere ti 250 MPa.
| Afiwera ti Grey Simẹnti Iron lati Oriṣiriṣi Awọn orilẹ-ede | ||||||||||
| Rara. | China | Japan | USA | ISO | Jẹmánì | France | Russia | UK | ||
| GB | JIS | ASTM | UNS | DIN | W-Nr. | NF EN | гост | BS | ||
| 1 | HT100 | FC100 | GG10 | 0.6010 | EN-GJL-100 | GT10 | Ipele 100 | |||
| 2 | HT150 | FC150 | 150 / ~ No.20 | F11401 | ISO 185/JL/150 | GG15 | 0.6015 | EN-GJL-150 | GT15 | Ipele 150 |
| 3 | HT200 | FC200 | 200 / ~ No.30 | F12101 | ISO 185/JL/200 | GG20 | 0.6020 | EN-GJL-200 | гч18 20 gram 21 | Ipele 180 Ite 220 |
| 4 | HT250 | FC250 | 250 / ~ No.35 | F12401 | ISO 185/JL/250 | GG25 | 0.6025 | EN-GJL-250 | гч24 гч25 | Ipele 260 |
| 5 | HT300 | FC300 | 300 / ~ No.45 | F13101 | ISO 185/JL/300 | GG30 | 0.6030 | EN-GJL-300 | GT30 | Ipele 300 |
| 6 | HT350 | FC350 | 350 / ~ No.50 | F13501 | ISO 185/JL/350 | GG35 | 0.6035 | EN-GJL-350 | GT35 | Ipele 350 |
Awọn English lẹta koodu tiirin ductilejẹ QT, nibiti Q jẹ lẹta akọkọ ti Pinyin Kannada (Qiumo) ti graphite spheroidal Kannada; T jẹ lẹta akọkọ ti Pinyin Kannada (Tie) ti irin. Awọn nọmba nọmba meji lo wa ni awọn onipò irin ductile ti China. Eto akọkọ ti awọn nọmba duro fun agbara fifẹ to kere julọ (MPa), ati eto keji ti awọn nọmba duro fun elongation lẹhin fifọ (%). Awọn akojọpọ nọmba meji ti pin nipasẹ daaṣi "-". Fun apẹẹrẹ, QT400-18 duro fun irin ductile pẹlu agbara fifẹ ti o kere ju ti 480 MPa ati elongation ti o kere ju ti 18%.
| Ductile Iron Ite lati Oriṣiriṣi Awọn orilẹ-ede | ||||||||||
| Rara. | China | Japan | USA | ISO | Jẹmánì | France | Russia гост | UK BS | ||
| GB | JIS | ASTM | UNS | DIN | W-Nr. | NF | ||||
| 1 | FCD350-22 | - | - | 350-22 | - | - | - | Bч35 | 350/22 | |
| 2 | QT400-15 | FCD400-15 | - | - | 400-15 | GGG-40 | 0.7040 | EN-GJS-400-15 | Bч40 | 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 | Bч45 | 450/10 |
| 5 | QT500-7 | FCD500-7 | 80-55-6 | F33800 | 500-7 | GGG-50 | 0.7050 | EN-GJS-500-7 | Bч50 | 500/7 |
| 6 | QT600-3 | FCD600-3 | ≈80-55-06 ≈100-70-03 | F3300 F34800 | 600-3 | GGG-60 | 0.7060 | EN-GJS-600-3 | Bч60 | 600/3 |
| 7 | QT700-2 | FCD700-2 | 100-70-03 | F34800 | 700-2 | GGG-70 | 0.7070 | EN-GJS-700-2 | Bч70 | 700/2 |
| 8 | QT800-2 | FCD800-2 | 120-90-02 | F36200 | 800-2 | GGG-80 | 0.7080 | EN-GJS-800-2 | Bч80 | 800/2 |
| 8 | QT900-2 | 120-90-02 | F36200 | 800-2 | GGG-80 | 0.7080 | EN-GJS-900-2 | ≈Bч100 | 900/2 | |
| Gray Iron lafiwe | Microstructure (Awọn ipin Iwọn didun) (）) | |||
| China (GB/T 9439) | ISO 185 | ASTM A48/A48M | EN 1561 | Matrix Be |
| HT100 (HT10-26) | 100 | No.20 F11401 | EN-GJL-100 | Pearlite: 30-70 , awọn iyẹfun isokuso; Ferrite: 30-70 ; Eutectic Phosphorus Alakomeji: ＜7％ |
| HT150 (HT15-33) | 150 | No.25A F11701 | EN-GJL-150 | Pearlite: 40-90 , alabọde isokuso flakes; Ferrite: 10-60; Eutectic Phosphorus Alakomeji: |
| HT200 (HT20-40) | 200 | No.30A F12101 | EN-GJL-200 | Pearlite: 95 , awọn flakes alabọde; Ferrite 5; Eutectic phosphorus alakomeji |
| HT250 (HT25-47) | 250 | No.35A F12401 No.40A F12801 | EN-GJL-250 | Pearlite: 98 ％ awọn flakes tinrin alabọde; Eutectic Phosphorus Alakomeji: ＜2％ |
| HT300 (HT30-54) | 300 | No.45A F13301 | EN-GJL-300 | Pearlite: 98 ％ awọn flakes tinrin alabọde; Eutectic Phosphorus Alakomeji: ＜2％ |
| HT350 (HT35-61) | 350 | No.50A F13501 | EN-GJL-350 | Pearlite: 98 ％ awọn flakes tinrin alabọde; Eutectic Phosphorus Alakomeji: ＜1％ |
| Ductile Iron Comparison | Iṣọkan Kemikali (（）) | Matrix Be | |||||||||
| GB/T 1348-1988 | ASTM A536-84 (2004) | EN 1563:-1997 | C | Si | Mn | P | S | Mg | Re | awon miran | |
| QT400-18 | 60-40-18① F32800 | GJS-400-18 JS1020 | 3.6-3.8 | 2.3-2.7 | 0.5 | 0.08 | 0.025 | 0.03-0.05 | 0.02-0.03 | - | Annealed Ferrite |
| QT400-15 | 60-42-10 F32900 | GJS-400-15 JS1030 | 3.5-3.6 | 3.0-3.2 | 0.5 | 0.07 | 0.02 | 0.04 | 0.02 | - | Annealed Ferrite |
| QT450-10 | 65-45-12 F33100 | GJS-450-10 JS1040 | 3.4-3.9 | 2.7-3.0 | 0.2-0.5 | 0.07 | 03.03 | 0.06-0.1 | 0.03-0.1 | - | Annealed Ferrite |
| QT500-7 | 70-50-05 | GJS-500-7 JS1050 | 3.6-3.8 | 2.5-2.9 | 0.6 | 0.08 | 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 | 0.08 | 0.025 | 0.035-0.05 | 0.025-0.045 | - | Pearlite deede |
| QT700-2 | 100-70-03 F34800 | GJS-700-2 JS1070 | 3.7-4.0 | 2.3-2.6 | 0.5-0.8 | 0.08 | 0.02 | 0.035-0.065 | 0.035-0.065 | Mo0.15-0.4 Cu0.4-0.8 | Illa Microstructure |
| QT800-2 | - | GJS-800-2 JS1080 | 3.7-4.0 | 2.5 | 0.5 | 0.07 | 03.03 | - | - | Mo0.39 Cu0.82 | Illa Microstructure |
| QT900-2 | 120-90-02 F36200 | GJS-900-2 JS1090 | 3.5-3.7 | 2.7-3.0 | 0.5 | 0.08 | 0.025 | 0.03-0.05 | 0.025-0.045 | Mo0.15-0.25 Cu0.5-0.7 | Isalẹ Bainite |
| ① lati ASTM A716-2003. ② lati ASTM A476/A476M-2000. | |||||||||||
Akoko ifiweranṣẹ: Oṣu Kẹjọ-13-2022