He kila ke kila kalapona me ka nui o ke kalapona mai kahi o 0.05 a hiki i ka 2.1 pakeneka ma ke kaumaha.
ʻO ke kila akahai (hao e loaʻa ana kahi pakeneka liʻiliʻi o ke kalapona, ikaika a paʻakikī akā ʻaʻole maʻalahi ke hoʻoponopono ʻia), i ʻike ʻia hoʻi he kila kalapona maʻamau a me ke kila kalapona haʻahaʻa, ʻo ia ke ʻano kila maʻamau i kēia manawa no ka mea he haʻahaʻa kona kumukūʻai ʻoiai e hāʻawi ana i nā waiwai mea i ʻae ʻia no nā noi he nui. Loaʻa i ke kila akahai ma kahi o 0.05-0.30% kalapona. He haʻahaʻa ka ikaika tensile o ke kila akahai, akā he mea kūʻai ʻole ia a maʻalahi hoʻi ke hana; hiki ke hoʻonui ʻia ka paʻakikī o ka ʻili ma o ka carburizing.
Kūlana Maʻamau No: GB/T 1591 Nā kila kūkulu haʻahaʻa ikaika kiʻekiʻe
| % o ka hoʻohuihui kemikala | Nā Waiwai Mīkini | |||||||
| C(%) | Si(%) (Max) | Mn(%) | P(%) (Max) | S(%) (Max) | YS (Mpa) (Minimum) | TS (Mpa) | EL(%) (Minimum) | |
| 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: Ian-21-2022