ASTM A335 P5Bututun ƙarfe ne mai zafi mara ƙarfe mara ƙarfe kamar na Amurka. Bututun ƙarfe wani nau'in bututu ne mai ƙarfi mara ƙarfi, aikin sa ya fi na bututun ƙarfe mara ƙarfi, saboda wannan nau'in bututun ƙarfe ya ƙunshi ƙarin C, aikin bai kai na bututun ƙarfe na yau da kullun ba, don haka ana amfani da bututun ƙarfe sosai a cikin man fetur, sararin samaniya, sinadarai, wutar lantarki, tukunyar jirgi, sojoji da sauran masana'antu.

Bututun Karfe Mai Alloy Ya Kunshi Abubuwa Masu Yawa Banda Carbon Kamar Nickel, Chromium, Silicon, Manganese, Tungsten, Molybdenum, Vanadium Da Sauran Abubuwa Masu Iyakancewa Kamar Manganese, Sulfur, Silicon, Da Phosphorus

Karfe Mai Daidaita Na Cikin Gida: 1Cr5MoGB 9948-2006"Ma'aunin Bututun Karfe Mara Sumul Don Fasa Mai"

• Biyan Kuɗi: Kashi 30% na Ajiya, Kashi 70% na L/C Ko Kwafin B/L Ko Kashi 100% na L/C a Gani
• Ƙaramin Oda: Kwamfuta 1
• Ikon Samarwa: Kayayyakin Bututun Karfe na Shekara-shekara Tan 20000

• Lokacin Girki: Kwanaki 7-14 Idan Akwai Hannu, Kwanaki 30-45 Don Samarwa
• Marufi: Baƙin da ke ɓacewa, Bevel da Murfi ga kowane bututu guda ɗaya; OD ƙasa da 219mm ana buƙatar a saka a cikin kunshin, kuma kowane kunshin bai wuce tan 2 ba.

Tsarin samarwa: Gwajin Tauri:

1. Mirgina mai zafi (bututun ƙarfe mara sumul) : bututun zagaye billet → dumama → huda → birgima mai birgima uku, birgima mai ci gaba ko fitarwa → cire bututu → girma (ko ragewa) → sanyaya → miƙewa → gwajin matsin lamba na ruwa (ko gano lahani) → alama → ajiya

2. Bututun ƙarfe mara shinge (na birgima) mai santsi: bututun zagaye billet → dumama → huda → kan → annealing → pickling → mai (rufe jan ƙarfe) → zane mai sanyi mai wucewa da yawa (birgima mai sanyi) → bututu mara komai → maganin zafi → miƙewa → gwajin matsin lamba na ruwa (gano lahani) → alama → ajiya

Shiryawa:

An yi amfani da akwati mai kariya daga marufi/rufewa/rufewa/kariyar katako a ɓangarorin bututun biyu kuma an yi masa kariya sosai don isar da kaya zuwa teku ko kuma kamar yadda aka buƙata.