Farantin Karfe Mai jure yanayin yanayi
Weathering Karfe za a iya fallasa zuwa yanayi ba tare da zanen.Ya fara tsatsa kamar yadda karfe na yau da kullun yake.Amma ba da daɗewa ba abubuwan da ke haɗar da su suna haifar da tsatsa mai laushi mai karewa don yin tsatsa, ta yadda hakan ke danne ƙimar lalata.
Weathering karfe nuna mai kyau juriya ga lalata fiye da talakawa karfe, yana da karami gami abubuwa ba kamar bakin karfe da kuma farashin ne mafi rahusa fiye da bakin karfe.Ta wannan hanya.Ƙarfe na yanayi yana taimakawa wajen rage farashin rayuwa da nauyin yanayi a cikin aikace-aikace masu yawa.
The karfe da ake amfani da daban-daban iri welded, bolted da riveted constructions misali karfe firam Tsarin, gadoji, tankuna da kwantena, shaye tsarin, motoci da kayan gini gine.
Matsayin juriya na yanayi da fihirisar ayyuka | ||||
Karfe daraja | Daidaitawa | Ƙarfin Haɓaka N/mm² | Ƙarfin Tensile N/mm² | Tsawaita % |
Corten A | ASTM | ≥345 | ≥480 | ≥22 |
Corten B | ≥345 | ≥480 | ≥22 | |
A588 G.A | ≥345 | ≥485 | ≥21 | |
A588 G.B | ≥345 | ≥485 | ≥21 | |
A242 | ≥345 | ≥480 | ≥21 | |
Saukewa: S355J0W | EN | ≥355 | 490-630 | ≥27 |
Saukewa: S355J0WP | ≥355 | 490-630 | ≥27 | |
Saukewa: S355J2W | ≥355 | 490-630 | ≥27 | |
Saukewa: S355J2WP | ≥355 | 490-630 | ≥27 | |
SPA-H | JIS | ≥355 | ≥490 | ≥21 |
SPA-C | ≥355 | ≥490 | ≥21 | |
Saukewa: SMA400AW | ≥355 | ≥490 | ≥21 | |
09CuPCrNi-A | GB | ≥345 | 490-630 | ≥22 |
Saukewa: B480GNQR | ≥355 | ≥490 | ≥21 | |
Q355NH | ≥355 | ≥490 | ≥21 | |
Q355GNH | ≥355 | ≥490 | ≥21 | |
Q460NH | ≥355 | ≥490 | ≥21 |
Corten | C% | Si % | Mn% | P% | S% | Ni % | Cr% | Ku% |
≤0.12 | 0.30-0.75 | 0.20-0.50 | 0.07-0.15 | ≤0.030 | ≤0.65 | 0.50-1.25 | 0.25-0.55 | |
Girman | ||||||||
Kauri | 0.3mm-2mm (sanyi birgima) | |||||||
2mm-50mm (zafi birgima) | ||||||||
Nisa | 750mm-2000mm | |||||||
Tsawon | coil ko kuma yadda kuke buƙatar tsayi | |||||||
Girman gama gari | Nadi: 4/6/8/12 * 1500/1250/1800 * Tsawon (na musamman) | |||||||
Plate: 16/18/20/40 * 2200 * 10000/12000 |
Shiryawa