1. Standard: SANS 719
2. Darasi: C
3. Nau'in: Electric Resistance Welded (ERW)
4. Girman Girma:
- Diamita na waje: 10mm zuwa 610mm
- Kaurin bango: 1.6mm zuwa 12.7mm
5. Tsawon mita 6, ko kuma yadda ake bukata
6. Ƙarshe: Ƙarshe marar kyau, Ƙarshe mai banƙyama
7. Maganin Sama:
- Baki (mai launin kansa)
- Mai
- Galvanized
- Fentin
8. Aikace-aikace: Ruwa, najasa, jigilar ruwa gabaɗaya
9. Sinadarin Haɗin:
Carbon (C): 0.28% max
- Manganese (Mn): 1.25% max
Phosphorus (P): 0.040% max
Sulfur (S): 0.020% max
Silcon (Si): 0.04% max.Ko 0.135% zuwa 0.25%
10. Kayan Aiki:
- Ƙarfin Ƙarfi: 414MPa min
- Ƙarfin Haɓaka: 290 MPa min
- Tsawaitawa: 9266 raba ta ƙimar lambobi na ainihin UTS
11.Tsarin masana'antu:
- Ana ƙera bututun ta amfani da tsari mai sanyi-sauyi da haɓaka mai ƙarfi (HFIW).
- An samar da tsiri zuwa siffar tubular kuma an yi masa walda a tsaye ta hanyar amfani da walda mai girma.
12. Dubawa da Gwaji:
- Binciken sunadarai na albarkatun kasa
- Gwajin jujjuyawar juzu'i don tabbatar da kaddarorin inji sun cika ƙayyadaddun bayanai
- Gwajin ƙwanƙwasa don tabbatar da ƙarfin bututu don jure nakasar
- Gwajin lanƙwasawa (lantarki fusion welds) don tabbatar da sassauci da amincin bututun.
- Gwajin hydrostatic don tabbatar da tsantsan bututun
13. Gwajin mara lalacewa (NDT):
- Gwajin Ultrasonic (UT)
- Gwajin Eddy na yanzu (ET)
14. Takaddun shaida:
Takaddun gwajin Mill (MTC) bisa ga EN 10204/3.1
- Binciken ɓangare na uku (na zaɓi)
15. Marufi:
- A cikin daure
- Filayen filasta akan iyakar biyu
- Takarda mai hana ruwa ko murfin takardar karfe
- Alama: kamar yadda ake buƙata (ciki har da Manufacturer, daraja, girman, daidaitaccen, lambar zafi, Lamba Lutu da sauransu)
16. Yanayin Bayarwa:
- Kamar yadda aka yi birgima
- An daidaita
- An daidaita birgima
17. Alama:
- Kowane bututu ya kamata a yi masa alama ta hanyar doka tare da bayanan masu zuwa:
- Sunan masana'anta ko alamar kasuwanci
SANS 719 Darasi C
- Girman (diamita na waje da kauri na bango)
- Lambar zafi ko lambar tsari
- Ranar da aka yi
- Dubawa da bayanan takardar shaidar gwaji
18. Bukatun Musamman:
- Ana iya ba da bututu tare da sutura na musamman ko linings don takamaiman aikace-aikace (misali, murfin epoxy don juriya na lalata).
19. Karin Gwaje-gwaje (Idan Ya Bukata):
- Gwajin tasiri na Charpy V
- Gwajin taurin
- jarrabawar macrostructure
- Nazarin microstructure
20. Juriya:
- Diamita na Waje
- Kaurin bango
Kaurin bangon bututu, bisa ga juriya na +10 % ko -8 %, ya zama ɗaya daga cikin madaidaitan ƙimar da aka bayar a cikin ginshiƙai 3 zuwa 6 na teburin ƙasa, sai dai in an yarda da juna tsakanin masana'anta da mai siye.
-Madaidaiciya
Duk wani karkatar da bututu daga madaidaiciyar layi, ba zai wuce 0,2% na tsawon bututun ba.
Duk wani zagaye-zagaye (banda abin da sag ya haifar), na bututun diamita na waje sama da 500 mm ba zai wuce 1 % na diamita na waje ba (mafi girman ovality 2%) ko 6 mm, ko wace ƙasa.
Lura cewa wannan cikakken bayanin takardar yana ba da cikakkun bayanai game daSANS 719 Grade C bututu.Ƙayyadaddun buƙatun na iya bambanta dangane da aikin da ainihin ƙayyadaddun bututun da ake buƙata.
Lokacin aikawa: Afrilu-28-2024