Falegaosimea Tuuina atu Mamalu maualuga Alloy Plate
| Fa'ailoga | 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 |
| Fa'ailoga | Mea tau masini | ||||
| 12Mn2A | Mafiafia ≤ 4mm ipu uamea | Mafiafia （4mm ipu uamea | Malosi Brinell HBW Le sili atu nai lo | ||
| Malosi fa'amalosi Rm N/m ㎡ | Elongation ina ua uma malologa A11.3% Le itiiti ifo nai lo | Malosi fa'amalosi Rm N/m ㎡ | Elongation ina ua uma malologa A11.3% Le itiiti ifo nai lo | ||
| 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 tusa ai ma le faʻaaogaina faʻapolofesa, o loʻo i ai papatusi mo paʻu suauʻu, ipu enamel, faʻailoga pulufana, ma isi;e tusa ai ma le vaega faʻapipiʻi luga, o loʻo i ai papatusi manifinifi uʻamea, ipu manifinifi ufi apa, ipu manifinifi taʻitaʻia, ipu uamea tuʻufaʻatasia palasitika, ma isi.
1.Fa'avasegaina i le mafiafia: (1) ipu manifinifi;(2) ipu laititi;(3) ipu mafiafia;(4) ipu mafiafia faaopoopo.
2.Fa'avasegaga i auala gaosiga: (1) u'amea u'amea vevela;(2) u'amea taai malulu.
3.Fa'avasegaga i luga o uiga: (1) u'amea laupepa (vevela fa'a'umea laupepa, fa'aeletise u'amea laupepa);(2) apa e fa'apipi'iina;(3) pepa uamea tu'ufa'atasi;(4) lanu uʻamea faʻapipiʻi laupepa.
4.Fa'avasegaga e ala ile fa'aoga: (1) Alalaupapa uamea ipu;(2) ipu u'amea fa'avela;(3) ipu uamea fau vaa;(4) ipu uamea ofutau;(5) Pa'u u'amea ta'avale;(6) Fa'ato'aga ipu u'amea;(7) Papa u'amea fausaga;(8) Pepa u'amea eletise (silicon steel sheet);(9) ipu uamea tautotogo;(10) O isi tulaga masani Iapani o ipu uamea mo fausaga lautele ma masini.
