AS 1074 (NZS 1074)bututun ƙarfe ne na Australiya (New Zealand) da kayan aiki na gama gari.
Ya shafi bututun ƙarfe da kayan haɗin da aka zare da aka ƙayyade a cikin AS 1722.1, da bututun ƙarfe masu faɗi daga DN 8 zuwa DN 150.
An kuma ƙayyade kauri uku na bututun ƙarfe na bango, masu sauƙi, matsakaici, da nauyi.
Ana iya ƙera bututun AS 1074 ta hanyar ɗayan biyun.babu matsalako hanyoyin walda, tare da tsarin walda gabaɗaya shineERW.
An haɗa nau'ikan ƙarshen bututu guda uku: na yau da kullun, na dunƙule, da na soket.
| Daidaitacce | P | S | CE |
| AS 1074 (NZS 1074) | matsakaicin 0.045% | matsakaicin 0.045% | 0.4 mafi girma |
CE gajeriyar hanya ce ta daidai da carbon, wanda ake buƙatar a samu ta hanyar lissafi.
CE = C + Mn/6
Mafi ƙarancin ƙarfin amfani: 195 MPa;
Mafi ƙarancin ƙarfin juriya: 320 - 460 MPa;
Ƙara girma: ba kasa da 20% ba.
Ya kamata a gwada kowace bututun ƙarfe ta hanyar zaɓar ɗaya daga cikin hanyoyin gwajin matse bututun ƙarfe.
Gwajin Hydrostatic
Bututun ƙarfe yana riƙe da ƙimar matsin lamba na ruwa na 5 MPa na tsawon lokaci mai tsawo ba tare da ya zube ba.
Gwajin da Ba Ya Lalatawa
Gwajin da Eddy ke yi a yanzu ya yi daidai da AS 1074 Appendix B.
Gwajin Ultrasonic daidai da AS 1074 Shafi na C.
Matakan kauri bango: mai sauƙi, matsakaici, da nauyi.
Kauri na bututun ƙarfe ya bambanta, haka nan kuma juriyar diamita ta waje mai dacewa. A ƙasa akwai teburin nauyin waɗannan matakai uku na bututun ƙarfe da kuma juriyar OD mai dacewa.
Girman bututun ƙarfe - Haske
| Girman da aka ƙayyade | Diamita na waje mm | Kauri mm | Nauyin bututun baƙi kg/m | ||
| minti | matsakaicin | Ƙarshen da ba a iya faɗi ko na dunƙule ba | An sukure kuma an soket | ||
| DN 8 | 13.2 | 13.6 | 1.8 | 0.515 | 0.519 |
| DN 10 | 16.7 | 17.1 | 1.8 | 0.67 | 0.676 |
| DN 15 | 21.0 | 21.4 | 2.0 | 0.947 | 0.956 |
| DN 20 | 26.4 | 26.9 | 2.3 | 1.38 | 1.39 |
| DN 25 | 33.2 | 33.8 | 2.6 | 1.98 | 2.00 |
| DN 32 | 41.9 | 42.5 | 2.6 | 2.54 | 2.57 |
| DN 40 | 47.8 | 48.4 | 2.9 | 3.23 | 3.27 |
| DN 50 | 59.6 | 60.2 | 2.9 | 4.08 | 4.15 |
| DN 65 | 75.2 | 76.0 | 3.2 | 5.71 | 5.83 |
| DN 80 | 87.9 | 88.7 | 3.2 | 6.72 | 6.89 |
| DN 100 | 113.0 | 113.9 | 3.6 | 9.75 | 10.0 |
Girman bututun ƙarfe - Matsakaici
| Girman da aka ƙayyade | Diamita na waje mm | Kauri mm | Nauyin bututun baƙi kg/m | ||
| minti | matsakaicin | Ƙarshen da ba a iya faɗi ko na dunƙule ba | An sukure kuma an soket | ||
| DN 8 | 13.3 | 13.9 | 2.3 | 0.641 | 0.645 |
| DN 10 | 16.8 | 17.4 | 2.3 | 0.839 | 0.845 |
| DN 15 | 21.1 | 21.7 | 2.6 | 1.21 | 1.22 |
| DN 20 | 26.6 | 27.2 | 2.6 | 1.56 | 1.57 |
| DN 25 | 33.4 | 34.2 | 3.2 | 2.41 | 2.43 |
| DN 32 | 42.1 | 42.9 | 3.2 | 3.10 | 3.13 |
| DN 40 | 48.0 | 48.8 | 3.2 | 3.57 | 3.61 |
| DN 50 | 59.8 | 60.8 | 3.6 | 5.03 | 5.10 |
| DN 65 | 75.4 | 76.6 | 3.6 | 6.43 | 6.55 |
| DN 80 | 88.1 | 89.5 | 4.0 | 8.37 | 8.54 |
| DN 100 | 113.3 | 114.9 | 4.5 | 12.2 | 12.5 |
| DN 125 | 138.7 | 140.6 | 5.0 | 16.6 | 17.1 |
| DN 150 | 164.1 | 166.1 | 5.0 | 19.7 | 20.3 |
Girman bututun ƙarfe - Mai nauyi
| Girman da aka ƙayyade | Diamita na waje mm | Kauri mm | Nauyin bututun baƙi kg/m | ||
| minti | matsakaicin | Ƙarshen da ba a iya faɗi ko na dunƙule ba | An sukure kuma an soket | ||
| DN 8 | 13.3 | 13.9 | 2.9 | 0.765 | 0.769 |
| DN 10 | 16.8 | 17.4 | 2.9 | 1.02 | 1.03 |
| DN 15 | 21.1 | 21.7 | 3.2 | 1.44 | 1.45 |
| DN 20 | 26.6 | 27.2 | 3.2 | 1.87 | 1.88 |
| DN 25 | 33.4 | 34.2 | 4.0 | 2.94 | 2.96 |
| DN 32 | 42.1 | 42.9 | 4.0 | 3.80 | 3.83 |
| DN 40 | 48.0 | 48.8 | 4.0 | 4.38 | 4.42 |
| DN 50 | 59.8 | 60.8 | 4.5 | 6.19 | 6.26 |
| DN 65 | 75.4 | 76.6 | 4.5 | 7.93 | 8.05 |
| DN 80 | 88.1 | 89.5 | 5.0 | 10.3 | 10.5 |
| DN 100 | 113.3 | 114.9 | 5.4 | 14.5 | 14.8 |
| DN 125 | 138.7 | 140.6 | 5.4 | 17.9 | 18.4 |
| DN 150 | 164.1 | 166.1 | 5.4 | 21.3 | 21.9 |
| Kauri | Bututun da aka haɗa da haske | minti 92% |
| Bututun walda masu matsakaici da nauyi | minti 90% | |
| Bututun matsakaici da nauyi marasa sumul | minti 87.5% | |
| Mass | jimillar tsawon≥150 m | ±4% |
| Bututun ƙarfe ɗaya | 92% - 110% | |
| tsayi | Tsawon yau da kullun | 6.50 ±0.08 m |
| Tsayin daidai | 0 - +8 mm |
Idan bututun ƙarfe na AS 1074 yana da galvanized, ya kamata ya yi daidai da AS 1650.
Za a ci gaba da amfani da saman bututun galvanized, santsi da kuma rarrabawa daidai gwargwado, kuma babu lahani da zai iya kawo cikas ga amfani.
Bututun da ke da zare za a yi amfani da su wajen yin amfani da su kafin a yi amfani da su.
Za a bambanta bututu ta hanyar launi a gefe ɗaya kamar haka:
| Tube | Launi |
| Bututun haske | Ruwan kasa |
| Bututun matsakaici | Shuɗi |
| Bututu mai nauyi | Ja |
Mu kamfani ne mai ƙera bututun ƙarfe na carbon mai inganci kuma mai samar da kayayyaki daga China, kuma mu kamfani ne mai samar da bututun ƙarfe mara matsala, muna ba ku nau'ikan hanyoyin magance bututun ƙarfe iri-iri!
