Haɗin Gwargwadon Daraja da Kemikal (％)
| Abun ciki | Darasi na 6 |
| C (Max) | 0.30 |
| Mn | 0.29-1.06 |
| P (Max) | 0.025 |
| S (Max) | 0.025 |
| Si | 0.10 min |
| Ni | 0.40 max |
| Cr | 0.30 max |
| Cu | 0.40 max |
| Al | .... |
| V (Max) | 0.08 |
| Nb(Max) | 0.02 |
| Mo (Max) | 0.12 |
| Co | ... |
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ASTM A333
Daraja
Ƙarfin Tensile (MPa)
Matsayin Haihuwa (MPa)
Tsawaitawa (%)
Y
X
Darasi na 6
≥415
≥240
≥30
≥16.5
An yi niyyar amfani da bututun ƙarfe mara nauyi da gami don amfani a ƙananan yanayin zafi da sauran aikace-aikacen da ke buƙatar taurin daraja.Misali: tashoshin wutar lantarki, tashoshin makamashin nukiliya, masana'antar sinadarai, matatun mai, masana'antu da sauransu.
