ʻO ke kila kalapona he kila me ka maʻi kalapona mai kahi o 0.05 a hiki i 2.1 pakeneka o ke kaumaha.
ʻO ke kila maʻemaʻe (ʻo ka hao i loaʻa kahi pākēneka liʻiliʻi o ke kalapona, ikaika a paʻakikī akā ʻaʻole hiki ke hoʻomaʻamaʻa ʻia), ʻike ʻia hoʻi ʻo ka hao kalapona māmā a me ke kila haʻahaʻa haʻahaʻa, ʻo ia ke ʻano maʻamau o ke kila no ka mea haʻahaʻa kona kumukūʻai ʻoiai e hāʻawi ana. waiwai waiwai i ʻae ʻia no nā noi he nui. Aia ma kahi o 0.05–0.30% kalapona ke kila māmā. He haʻahaʻa haʻahaʻa ka ikaika o ke kila maʻemaʻe, akā maʻalahi a maʻalahi hoʻi e hana; hiki ke hoʻonui ʻia ka paʻakikī o ka ʻili ma o ka carburizing.
ʻAʻole maʻamau: GB/T 1591 ʻO nā kila kila haʻahaʻa ikaika kiʻekiʻe
| HANA KEMIKAL % | NA WAIWAI MEKANIKAL | |||||||
| C(%) | Si(%) (Max) | Mn(%) | P(%) (Max) | S(%) (Max) | YS (Mpa) (Min) | TS (Mpa) | EL( %) (Min) | |
| Q195 | 0.06-0.12 | 0.30 | 0.25-0.50 | 0.045 | 0.045 | 195 | 315-390 | 33 |
| Q235B | 0.12-0.20 | 0.30 | 0.3-0.7 | 0.045 | 0.045 | 235 | 375-460 | 26 |
| Q355B | (Max)0.24 | 0.55 | (Max)1.6 | 0.035 | 0.035 | 355 | 470-630 | 22 |
Ka manawa hoʻouna: Jan-21-2022