Ko te putorino maitai mo te hanga kaipuke ka whakamahia mo te taumata 1& Taumata 2 putorino pehanga i roto i te punaha paipa, te kohu me te waahanga tino wera o te hanga kaipuke.
Tauira N0.o nga ngongo maitai nui: 320,360,410,460,490, etc.
Rahi:
| Nga momo ngongo maitai | Te diameter o waho | Te matotoru o te pakitara | ||
| Nga ngongo matao | Rahi ngongo (mm) | Whakaaetanga (mm) | Rahi ngongo (mm) | Whakaaetanga (mm) |
| ＞30-50 | ±0.3 | ≤30 | ±10% | |
| ＞50-219 | ±0.8% | |||
| Nga ngongo wera | ＞219 | ±1.0% | ＞20 | ±10% |
Te huinga matū:
| Nga tauira o nga ngongo maitai | Te kohinga matū (%) | ||||
| C | Si | Mn | P | S | |
| 320 | ≤0.16 | ≤0.35 | 0.40-0.70 | ≤0.035 | ≤0.035 |
| 360 | ≤0.17 | ≤0.35 | 0.40-0.80 | ≤0.035 | ≤0.035 |
| 410 | ≤0.21 | ≤0.35 | 0.40-1.20 | ≤0.035 | ≤0.035 |
| 460 | ≤0.22 | ≤0.35 | 0.80-1.40 | ≤0.035 | ≤0.030 |
| 490 | ≤0.23 | ≤0.35 | 0.80-1.50 | ≤0.035 | ≤0.030 |
Āhuatanga Miihini:
| Nga tauira o nga ngongo maitai | Te kaha o te kaha (MPa) | Te kaha tuku (MPa) | Whakaroa (%) |
| 320 | 320-410 | ≥195 | ≥25 |
| 360 | 360-480 | ≥215 | ≥24 |
| 410 | 410-530 | ≥235 | ≥22 |
| 460 | 460-580 | ≥265 | ≥21 |
| 490 | 490-610 | ≥285 | ≥21 |
Wā tuku: Feb-10-2023