ASTM-335 da kumaSA-355MDaidaitaccen Bayani na Bututun Ironi Mai Karfe Mai Sumul don Sabis na Zafi Mai Tsayi.
Ya kasance cikin Lambar Jirgin Ruwa da Matsi.
Sauke Google
Dole ne fom ɗin oda ya ƙunshi abubuwa 11 masu zuwa:
1. Adadi (ƙafafu, mita ko adadin sanduna)
2. Sunan kayan aiki (bututun ƙarfe mara sumul)
3. Matakai (jimilla 16: P1, P2, P22, P11, P22, P91)
4. Hanyar ƙera (ƙarewa mai zafi ko zane mai sanyi)
5. Yi amfani da ɗaya daga cikin waɗannan ƙayyadaddun bayanai: 1), lambar serial ta kauri bango ta NPS da bututu, 2), diamita ta waje da kauri bango mai suna, 3), diamita ta waje da mafi ƙarancin kauri bango, 4), diamita ta ciki da kauri bango mai suna, 5), umarnin tsara diamita ta ciki da mafi ƙarancin kauri bango
6. Tsawon (an raba shi zuwa tsayin da aka ƙayyade da tsawon da ba a taɓa yinsa ba)
7. Kammala aikin.
8. Bukatun zaɓi (matsin ruwa da karkacewar nauyi da aka yarda da su).
9. Rahoton gwaji da ake buƙata (duba A530).
10. Lambar da aka saba. 11 Bukatu na musamman ko duk wani ƙarin buƙatu na zaɓi.
Kayan aiki da masana'antu
1. Ana iya amfani da bututun ƙarfe na musamman don a gama su da zafi ko kuma a yi musu fenti da sanyi, kuma an yi musu maganin zafi na ƙarshe da aka buƙata bisa ga ƙa'idar.
2. Karfe mai daraja na P2 da P12. Ya kamata a yi amfani da tsarin narkewar hatsi mai kauri wajen kera waɗannan nau'ikan ƙarfe guda biyu. Idan akwai buƙatu na musamman don girman hatsi ko tsarin cire iskar oxygen, mai siye da masana'antar ƙarfe ya kamata su amince da su.
3. Maganin zafi
1. Banda ƙarfe na PSC, P23, P91, P92, P122 da P911, kuma kamar yadda aka ƙayyade, dukkan matakan bututun da aka saba amfani da su za a sake dumama su kuma a samar da su a cikin yanayin da aka saba amfani da su, wanda aka saba amfani da shi a matsayin mai ƙarfi ko kuma wanda aka daidaita da kuma wanda aka daidaita. Idan an samar da su a cikin yanayin da aka daidaita da kuma wanda aka daidaita, mafi ƙarancin zafin jiki na ƙarfe na P5, P5B, P9, P21 da P22 zai kasance 675°C. Mafi ƙarancin zafin jiki na ƙarfe na P1, P2, P11, P12 da P15 ya kamata ya kasance 650 ℃
2. Ya kamata a yi amfani da zafin ƙarshe na ƙarfe na P92 da P911 a matsayin daidaita a mafi ƙarancin zafin 1040 ℃ kuma a rage shi zuwa 730 ℃.