Alloy bututu wani nau'i ne na bututun ƙarfe maras sumul.Ayyukansa sun fi na bututun ƙarfe maras sumul sosai.Domin wannan bututun ƙarfe ya ƙunshi ƙarin Cr, ƙarfin zafinsa, ƙarancin zafin jiki da juriya na lalata wasu.Sewed karfe bututu ba zai iya daidaita, don haka gami bututu ana amfani da ko'ina a cikin man fetur, sinadaran, wutar lantarki, tukunyar jirgi da sauran masana'antu.
Babban misali na Alloy Karfe bututu:
GB/T8162,GB3087,GB5310,ASME SA210,ASME SA213,DIN17175
Aikace-aikace: Don dumama bututu tare da ƙananan matsa lamba da matsa lamba (matsi na aiki gaba ɗaya bai wuce 5.88Mpa ba, zafin aiki yana ƙasa da 450 ° C);ana amfani dashi a cikin tukunyar jirgi mai ƙarfi (matsi na aiki gabaɗaya sama da 9.8Mpa, zafin aiki yana tsakanin 450 ° C da 650 ° C) bututu mai dumama, tattalin arziki, superheater, reheater, bututu masana'antu na petrochemical, da sauransu.
Babban Daraja:
20MnG, 25MnG, 15CrMoG, 35crmo, 42crmo, 12Cr2MoG, 12Cr1MoVG, 12Cr2MoWVTiB, 10Cr9Mo1VNb, 10crmoal, 9cr5mo.9cr18mo, SA210A1, SA210C, SA213 T11, SA213 T12, SA213 T22, SA213 T23, SA213 T91, SA213 T92, ST45.8/Ⅲ, 15Mo3, 13CrMo44, da kuma 10C.
Haƙuri na Alloy Karfe bututu:
| Nau'in | Waje Diamita(D) | WT (S) | ||
|
Zane sanyi | OD (mm) | Bambancin da aka yarda (mm) | WT (mm) | Karɓar da aka yarda (mm) |
| ：30 ~ 50 | ± 0.3 | · 3 zuwa 20 | ± 10 | |
Halayen Injin Alloy Karfe Bututu:
| Daidaitawa | Daraja | Ƙarfin Tensile (MPa) | Ƙarfin Haɓaka (MPa) | Tsawaitawa (％) | Tauri |
| GB3087 | 10 | 335 zuwa 475 | ≥195 | ≥24 | / |
| 20 | 410 ~ 550 | ≥245 | ≥20 | / | |
| GB5310 | 20G | 410 ~ 550 | ≥245 | ≥24 | / |
| 20MnG | ≥415 | ≥240 | ≥22 | / | |
| 25MnG | ≥485 | ≥275 | ≥20 | / | |
| 15CrMoG | 440 ~ 640 | ≥235 | ≥21 | / | |
| 12Cr2MoG | 450 ~ 600 | ≥280 | ≥20 | / | |
| 12Cr1MoVG | 470 ~ 640 | ≥255 | ≥21 | / | |
| 12Cr2MoWVTiB | 540 ~ 735 | ≥345 | ≥18 | / | |
| 10Cr9Mo1VNb | ≥585 | ≥415 | ≥20 | / | |
| ASME SA210 | Saukewa: SA210A-1 | ≥415 | ≥255 | ≥30 | Saukewa: 143HB |
| SA210C | ≥485 | ≥275 | ≥30 | Saukewa: 179HB | |
| ASME SA213 | Saukewa: SA213T11 | ≥415 | ≥205 | ≥30 | Saukewa: 163HB |
| Saukewa: SA213T12 | ≥415 | ≥220 | ≥30 | Saukewa: 163HB | |
| Saukewa: SA213T22 | ≥415 | ≥205 | ≥30 | Saukewa: 163HB | |
| Saukewa: SA213T23 | ≥510 | ≥400 | ≥20 | ≤220HB | |
| Saukewa: SA213T91 | ≥585 | ≥415 | ≥20 | ≤250HB | |
| Saukewa: SA213T92 | ≥ 620 | ≥440 | ≥20 | ≤250HB | |
| Farashin 17175 | ST45.8/Ⅲ | 410 zuwa 530 | ≥255 | ≥21 | / |
| 15Mo3 | 450 ~ 600 | ≥270 | ≥22 | / | |
| 13CrMo44 | 440 zuwa 590 | ≥290 | ≥22 | / | |
| 10CrMo910 | 480 ~ 630 | ≥280 | ≥20 | / |
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Lokacin aikawa: Satumba-01-2022