Tsarin bututun ƙarfe na ƙarfe mara shinge na GB 3087 mai ƙarfi Matsi mai matsakaici
| Daidaitacce:GB/T3087-2008 | Alloy ko A'a: ƙarfe mai santsi na carbon |
| Rukunin Aji: 10#, 20# | Aikace-aikace: Bututun tukunya |
| Kauri: 1 - 100 mm | Maganin Surface: Kamar yadda abokin ciniki ke buƙata |
| Diamita na Waje (Zagaye): 10 - 1000 mm | Dabara: An yi birgima da zafi/ an zana shi da sanyi |
| Tsawon Lokaci: Tsawon Lokaci ko Tsawon Lokaci | Maganin zafi: Daidaita |
| Siffar Sashe: Zagaye | Bututu Na Musamman: Bututun Bango Mai Kauri |
| Wurin Asali: China | Amfani: Gine-gine, Sufuri Mai Ruwa, Tukunyar Ruwa da Mai Canjawa |
| Takardar Shaida: ISO9001:2008 | Gwaji: ET/UT |
Ana amfani da shi galibi don yin ƙarfe mai inganci na tsarin carbon, bututun tukunyar jirgi mai matsin lamba mai ƙarancin matsin lamba, bututun ƙarfe mai zafi mai zafi mai zafi
Daraja mai inganci na ƙarfe mai siffar carbon: 10#, 20#
| Daidaitacce | Matsayi | Sinadarin Sinadarai (%) | |||||||
| C | Si | Mn | P | S | Cr | Cu | Ni | ||
| GB3087 | 10 | 0.07~0.13 | 0.17~0.37 | 0.38~0.65 | ≤0.030 | ≤0.030 | 0.3~0.65 | ≤0.25 | ≤0.30 |
| 20 | 0.17~0.23 | 0.17~0.37 | 0.38~0.65 | ≤0.030 | ≤0.030 | 0.3~0.65 | ≤0.25 | ≤0.30 | |
| Daidaitacce | Bututun ƙarfe | Kauri a bango | Ƙarfin tauri | Ƙarfin Ba da Kyauta | Ƙarawa |
| GB3087 | (mm) | (MPa) | (MPa) | % | |
| ≥ | |||||
| 10 | / | 335~475 | 195 | 24 | |
| 20 | <15 | 410~550 | 245 | 20 | |
| ≥15 | 225 | ||||
Bambancin da aka yarda da shi na diamita na waje na bututun ƙarfe
| Nau'in bututun ƙarfe | Bambancin da aka yarda da shi | ||||||
| Bututun ƙarfe mai zafi (wanda aka fitar da shi, wanda aka faɗaɗa) | ± 1.0% D ko ± 0.50, ɗauki mafi girman lamba | ||||||
| Bututun ƙarfe mai sanyi (na birgima) | ± 1.0% D ko ± 0.30, ɗauki mafi girman lamba | ||||||
Bambancin da aka yarda da shi na kauri na bango na bututun ƙarfe masu zafi (extrusion, expasion)
Naúra: mm
| Nau'in bututun ƙarfe | Diamita na waje na bututun ƙarfe | S / D | Bambancin da aka yarda da shi | ||||||
| bututun ƙarfe mai zafi (extruded) | ≤ 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 mafi girman lamba | ||||||||
| > 0.10 | + 12.5% S | ||||||||
| - 10% S | |||||||||
| faɗaɗa bututun ƙarfe mai zafi | + 15% S | ||||||||
Bambancin da aka yarda da shi na kauri na bango na bututun ƙarfe da aka zana da sanyi (na birgima)
Naúra: mm
| Nau'in bututun ƙarfe | Kauri a bango | Bambancin da aka yarda da shi | ||||||
| Bututun ƙarfe mai sanyi (na birgima) | ≤ 3 | 15 - 10% S ko ± 0.15, ɗauki mafi girman lamba | ||||||
| > 3 | + 12.5% S | |||||||
| - 10% S | ||||||||
Gwajin lanƙwasawa
Ya kamata a yi gwajin lanƙwasa bututun ƙarfe waɗanda diamitansu ya fi mm 22 kuma har zuwa mm 400, kuma kauri na bango ya fi mm 10. Bayan an daidaita samfuran, sai a yi gwajin lanƙwasa.
Gwajin lanƙwasawa
Ya kamata a yi gwajin lanƙwasa bututun ƙarfe waɗanda diamitansu bai wuce mm 22 ba. Kusurwar lanƙwasa ita ce 90o. Radius ɗin lanƙwasa ya ninka diamita na waje na bututun ƙarfe sau 6. Bayan lanƙwasa samfurin, ba a yarda a sami tsagewa ko tsagewa a kan samfurin ba.
Gwajin Macroscopic
Ga bututun ƙarfe da aka yi kai tsaye ta hanyar amfani da bututun ƙarfe ko ingot na ƙarfe akai-akai, mai samar da kayayyaki ya kamata ya tabbatar da cewa babu wasu fararen tabo, ƙazanta, kumfa na iska a ƙarƙashin saman, facin kwanyar ko kuma laye a kan kyallen macroscopic mai ɗauke da acid mai kauri na bututun ƙarfe ko bututun ƙarfe.
Binciken da ba ya lalatawa
Bisa ga buƙatar ɓangaren da ke buƙatar, wanda daga nan aka yi shawarwari tsakanin ɓangarorin da ke samar da kayayyaki da waɗanda ke buƙatar kayayyaki kuma aka nuna a cikin yarjejeniyar, ana iya yin binciken lahani na ultrasonic daban-daban ga bututun ƙarfe. Lalacewar da ke cikin bututun samfurin da aka yi amfani da shi na tsawon lokaci ya kamata ya cika buƙatun karɓar maki C8 bayan dubawa da aka ƙayyade a cikin GB/T 5777-1996.



