Bututun Karfe Mai Layi Na Roba
An ƙera bututun ƙarfe na roba don amfani da su a aikace-aikacen famfo iri-iri. Aikace-aikace kamar fitar da injin niƙa, famfunan matsi mai ƙarfi, layukan wutsiya masu tsayi, aikace-aikacen famfunan slurry masu wahala da bututun nauyi. Kowane ƙarshen yana da flange mai kauri na hatimin roba mai ƙarfi.
An yi bututun ƙarfe mai jure lalacewa da jure tsatsa daga bututun ƙarfe na yau da kullun a matsayin kayan gini kuma ana amfani da shi da kyawawan halaye na roba mai jure lalacewa, mai jure tsatsa da kuma roba mai jure zafi a matsayin layin rufi. An haɗa shi da fasaha ta musamman tare da manne mai aiki mai yawa. Ana amfani da shi galibi a fannin ƙarfe, wutar lantarki, masana'antar sinadarai, man fetur, kwal, siminti da sauran fannoni na masana'antu. A cikin aikin haƙar ma'adinai, ana amfani da shi sosai a cikin tsarin jigilar ma'adinai, cike ma'adinan kwal da filayen tsarin bututu masu alaƙa. Musamman ma, bututun ya dace sosai don isar da zafin jiki tsakanin -50°C zuwa +150°C matsakaici, wanda yake da sauƙin sawa da tsatsa. Za mu iya ƙara kauri na bango a kusurwar bututu bisa ga buƙatar abokin ciniki, don haka tsawaita rayuwar sabis. A halin yanzu, rayuwar sabis na bututun ƙarfe mai layi na roba na iya kaiwa shekaru 15-40 gabaɗaya. Ana iya juya bututun kusan digiri 90 bayan shekaru 6-8 na aiki. Kowace lokacin juyawa na iya tsawaita rayuwar hidimar. Ana iya yin layi akai-akai da roba a bututun ƙarfe na tsawon sau uku zuwa huɗu, don haka yana rage amfani da farashi a gaba.
Sassan ƙayyadaddun bayanai don bututun roba
| OD/mm | Kauri bango na bututu/mm | Matsi na aiki/MPa |
| 450 | 10~50 | 0~25.0 |
| 480 | 10~70 | 0~32.0 |
| 510 | 10~45 | 0~20.0 |
| 530 | 10~50 | 0~22.0 |
| 550 | 10~50 | 0~20.0 |
| 560 | 10~50 | 0~21.0 |
| 610 | 10~55 | 0~20.0 |
| 630 | 10~50 | 0~18.0 |
| 720 | 10~60 | 0~19.0 |
Halayen Jiki na bututun roba
| Abu | Daidaitacce |
| Kauri na rufin (MPa) ≥ | 16.5 |
| Ƙarfin barewa da kwarangwal ɗin shine 180° (KN/m) ≥ | 8 |
| Tsawaita a kan rufin (%) ≥ | 550 |
| An shimfiɗa rufin rufin (300%, MPa) ≥ | 4 |
| Asarar gogewar atonal na Layer ɗin rufi (cm³/1.61km) ≤ | 0.1 |
| Taurin rufin (Nau'in Sauer A) | 60±5 |
| Yawan canjin zafin tsufar zafi na rufin (70℃ x 72 h, %) ≤ | 10 |
Siffofi
1. Kyakkyawan Gine-gine
2. Kyakkyawan juriya ga lalacewa da tsawon rai mai amfani
3. Babban ƙarfi da juriya mai ƙarfi
4. Kyakkyawan juriya ga tsatsa
5. Faɗin zafin jiki
6. Haɗi cikin sauri da sauƙin shigarwa
