GB 3087 daidaitaccen bututun ƙarfe mara nauyi mara nauyi
| Daidaito:GB/T3087-2008 | Alloy Ko A'a: carbon karfe mara kyau |
| Rukunin Daraja: 10#,20# | Aikace-aikace: Boiler Pipe |
| Kauri: 1-100 mm | Surface Jiyya: A matsayin abokin ciniki ta bukata |
| Diamita na waje (Zagaye): 10 - 1000 mm | Fasaha: Hot Rolled/ sanyi zane |
| Tsawon: Kafaffen tsayi ko tsayin bazuwar | Maganin zafi: daidaitawa |
| Siffar Sashe: Zagaye | Bututu na Musamman: Bututun bango mai kauri |
| Wurin Asalin: China | Amfani: Gina, Jirgin Ruwa, Tufafin Tufafi da Mai Musanya Zafi |
| Takaddun shaida: ISO9001:2008 | Gwajin: ET/UT |
An yafi amfani da shi don yin high quality-carbon tsarin karfe, low matsa lamba matsakaici tukunyar jirgi bututu, super mai tsanani tururi sumul carbon karfe bututu.
Grade na high quality-carbon tsarin karfe: 10#,20#
| Daidaitawa | Daraja | Haɗin Sinadari(%) | |||||||
| C | Si | Mn | P | S | Cr | Cu | Ni | ||
| GB3087 | 10 | 0.07 zuwa 0.13 | 0.17 zuwa 0.37 | 0.38 zuwa 0.65 | ≤0.030 | ≤0.030 | 0.3 zuwa 0.65 | ≤0.25 | ≤0.30 |
| 20 | 0.17 zuwa 0.23 | 0.17 zuwa 0.37 | 0.38 zuwa 0.65 | ≤0.030 | ≤0.030 | 0.3 zuwa 0.65 | ≤0.25 | ≤0.30 | |
| Daidaitawa | Bututun ƙarfe | Kaurin bango | Ƙarfin ƙarfi | Ƙarfin Haɓaka | Tsawaitawa |
| GB3087 | (mm) | (MPa) | (MPa) | % | |
| ≥ | |||||
| 10 | / | 335 zuwa 475 | 195 | 24 | |
| 20 | 15 | 410 ~ 550 | 245 | 20 | |
| ≥15 | 225 | ||||
Halalace sabani na waje diamita na karfe bututu
| Nau'in bututun karfe | Karɓar halal | ||||||
| Hot birgima (extruded, fadada) karfe bututu | ± 1.0% D ko ± 0.50, ɗauki mafi girman lamba | ||||||
| Tushen karfe mai sanyi (birgima). | ± 1.0% D ko ± 0.30, ɗauki mafi girma lamba | ||||||
Halalace sabani na bango kauri na zafi birgima (extrusion, fadada) karfe shambura
Naúrar: mm
| Nau'in bututun karfe | Diamita na waje na bututun ƙarfe | S/D | Karɓar halal | ||||||
| zafi birgima (extruded) karfe bututu | ≤ 102 | - | ± 12.5 % S ko ± 0.40, ɗauki mafi girman lamba | ||||||
| > 102 | ≤ 0.05 | ± 15% S ko ± 0.40, ɗauki mafi girman lamba | |||||||
| 0.05 ~ 0.10 | ± 12.5% S ko ± 0.40, ɗauki lambar mafi girma | ||||||||
| > 0.10 | + 12.5% S | ||||||||
| - 10% S | |||||||||
| zafi fadada karfe bututu | + 15% S | ||||||||
Halalace sabani na bangon kauri na sanyi da aka zana (birgima) bututun ƙarfe
Naúrar: mm
| Nau'in bututun karfe | Kaurin bango | Karɓar halal | ||||||
| Tushen karfe mai sanyi (birgima). | ≤ 3 | 15-10 % S ko ± 0.15, ɗauki mafi girman lamba | ||||||
| > 3 | + 12.5% S | |||||||
| - 10% S | ||||||||
Gwajin lallashi
Bututun ƙarfe tare da diamita na waje sama da 22 mm kuma har zuwa mm 400, kuma kauri daga bango fiye da mm 10 yakamata a yi gwajin ƙwanƙwasa. Bayan samfurori an daidaita su
Lankwasawa gwajin
Bututun ƙarfe tare da diamita na waje wanda bai wuce mm 22 ba yakamata a yi gwajin lanƙwasawa. Kwanin lankwasawa shine 90o . Radius mai lankwasawa shine sau 6 na diamita na waje na bututun ƙarfe. Bayan lanƙwasa samfurin, ba a ba da izini ba ko tsagewa don bayyana akan samfurin.
Binciken macroscopic
Don bututun ƙarfe kai tsaye da aka yi ta hanyar ci gaba da jefa billet ko ingots na ƙarfe, ƙungiyar masu ba da kayayyaki yakamata su ba da tabbacin cewa babu fararen aibobi, ƙazanta, kumfa na ƙasa, faci na kwanyar ko shimfiɗa a kan ɓangaren ɓangarorin acid ɗin macroscopic nama na billet ko karfe tube.
Binciken mara lalacewa
Dangane da bukatar jam'iyyar da ake bukata, wacce za a yi shawarwari tsakanin masu samar da kayayyaki da masu bukatu da kuma nuni a cikin yarjejeniyar, ana iya gano lahani na ultrasonic daban-daban don bututun karfe. Lalacewar jagorar madaidaiciyar bututun tunani yakamata ya dace da buƙatun don ƙimar karɓa bayan dubawa C8 da aka ƙayyade a GB/T 5777-1996.
