Whakawhiwhi wheketere Pereti Alloy Maamaa Nui
| Waitohu | C | Si | Mn | P | S | V | Nb | Al | Ti |
| Q345A | ≤0.20 | ≤0.55 | 1.00-1.60 | ≤0.045 | ≤0.045 | 0.02-0.15 | 0.015-0.060 | 0.02-0.20 | |
| Q345B | ≤0.20 | ≤0.55 | 1.00-1.60 | ≤0.040 | ≤0.040 | 0.02-0.15 | 0.015-0.060 | 0.02-0.20 | |
| Q345C | ≤0.20 | ≤0.55 | 1.00-1.60 | ≤0.035 | ≤0.035 | 0.02-0.15 | 0.015-0.060 | ≥0.015 | 0.02-0.20 |
| Q345D | ≤0.18 | ≤0.55 | 1.00-1.60 | ≤0.030 | ≤0.030 | 0.02-0.15 | 0.015-0.060 | ≥0.015 | 0.02-0.20 |
| Waitohu | Nga taonga miihini | ||||
| 12Mn2A | Te matotoru ≤ 4mm pereti maitai | Te matotoru （4mm pereti maitai | Brinell pakeke HBW Kaore e nui ake i te | ||
| Te kaha tensile Rm N/m ㎡ | Te whakaroa i muri i te wehenga A11.3% Kaua e iti iho i te | Te kaha tensile Rm N/m ㎡ | Te whakaroa i muri i te wehenga A11.3% Kaua e iti iho i te | ||
| 12Mn2A | 390-570 | 22 | 390-570 | 23 | ---- |
| 45Mn2A | 590-835 | 12 | 590-835 | 13 | -- |
| 20CrA | 390-590 | 18 | 390-590 | 20 | |
| 38CrA | 540-735 | 16 | 540-735 | 18 | ---- |
| 40CrA | 540-735 | 14 | 540-730 | 16 | -- |
| 20CrMnSiA | 490-685 | 18 | 490-685 | 21 | -- |
| 25CrMnSiA | 570-720 | 18 | 570-720 | 20 | 229 |
| 30CrMnSiA | 540-735 | 16 | 540-735 | 19 | 229 |
| 35CrMnSiA | 590-785 | 14 | 590-785 | 16 | - |
| 18CrMn2MoBA | 440-640 | 20 | 440-640 | 22 | 217 |
| 30CrSiMoVA | QQ709023242 | - | - | - | 217 |
E ai ki te whakamahinga ngaio, he pereti mo nga pahu hinu, pereti tohu, pereti matā, me etahi atu;kia rite ki te paparanga paninga mata, he piauau angiangi pereti, pereti angiangi whakakikoruatia tine, papa angiangi whakakikorua mata, pereti maitai hiato kirihou, etc.
1.Te whakarōpūtanga ma te matotoru: (1) pereti angiangi;(2) pereti reo;(3) pereti matotoru;(4) pereti matotoru ano.
2.Whakar(2) peera maitai matao-hurihia.
3.Whakar(2) pepa tine whakakikoruatia;(3) rau maitai hiato;(4) pepa maitai whakakikoruatia te tae.
4.Te whakarōpūtanga ma te tono: (1) Te pereti maitai piriti;(2) Pereti maitai kohua;(3) Pereti maitai hanga kaipuke;(4) Pereti maitai patu;(5) Pereti maitai motika;(6) Te pereti maitai o te tuanui;(7) pereti maitai hanganga;(8) Pereti maitai hiko (pepa maitai kirikiri);(9) Pereti maitai puna;(10) Ko etahi atu reanga Hapanihi noa o nga pereti rino mo nga hanganga whanui me te miihini.
