Ngongo maitai tui kore mō te keri waro - GB/T 17396-2009
| Paerewa:GB/T 17396-2009 | Maimoatanga Wera: Te Whakamahana |
| Rōpū Tau: 20,35,45, Ētahi atu | Diameter o Waho (Porowhita): 10 - 1000 Mm |
| Āhua Wāhanga: Porowhita | Taupānga: paipa tui mō te tautoko waipēhi |
| Te Takenga Mai: Haina | Maimoatanga Mata: Hei Whakaritenga a te Kaihoko |
| Matotoru: 1 - 100 mm | Tikanga: Hurihia Wera |
| Roa: Roa Pūmau, Roa Matapōkere rānei | Paipa Motuhake: Paipa Pakitara Matotoru |
| Tiwhikete: ISO9001:2008 | Whakamahinga: paipa tuitui mō te tautoko waipēhi |
| Koranu, Kāore rānei: Koranu | Whakamātautau: NDT |
Ko te paipa maitai tui mō te maina waro e whakamahia ana hei hanga paipa tui mō te toko waipēhi i roto i te maina waro.
Te kounga teitei o te maitai hanganga waro: 20#、35#
| C | Si | Mn | Nb | RE | Cr | Ni | Cu | Mo | P | S | |
| 20 | 0.17-0.23 | 0.17-0.37 | 0.35-0.65 | 一 | 一 | <0.25 | <0.25 | <0. 20 | 一 | <0.035 | <0.035 |
| 35 | 0.32-0.39 | 0.17—0.37 | 0. 50一0.8 | 一 | 一 | <0.25 | <0.25 | <0. 20 | 一 | <0.035 | <0.035 |
| 45 | 0.42-0.50 | 0.17 一0. 37 | 0.50 一0.8 | 一 | 一 | <0.25 | WO. 25 | WO. 20 | 一 | <0.035 | <0.035 |
| 27SiMn | 0.24-0.32 | 1.10 一1.4 | 1.10 一1.4 | 一 | 一 | W0.30 | <0.30 | <0. 20 | <0.15 | <0.035 | <0.035 |
| 30MnNbREa | 0.27-0.36 | 0. 20一0. 60 | 1.20 一1. 60 | 0.020一0. 050 | 0. 02一0. 04 | <0.30 | <0.30 | <0. 20 | <0.15 | <0.035 | <0.035 |
| Ka tatauhia te nui o te rino mai i te 0.02% ~ 0.04% i tāpirihia ki te maitai rewa. | |||||||||||
| Āhuatanga Mīhini | |||||||
| Tau | Te kaha o te kume | Hua | Roa i muri i te whati | Te whakaiti i te rohe | Pūngao mimiti horomi （KV2）/J | ||
| Rm/MPa | MPa | A/% | Z/% | ||||
| Te matotoru o te pakitara o te ngongo maitai/mm | |||||||
| <16 | >16 ~30 | >30 | |||||
| kāore e iti iho | |||||||
| 20 | 410 | 245 | 235 | 225 | 20 | — | |
| 35 | 510 | 305 | 295 | 285 | 17 | — | — |
| 45 | 590 | 335 | 325 | 315 | 14 | — | — |
| 27SiMn | 980 | 835 | 12 | 40 | 39 | ||
| 30MnNbRE | 850 | 720 | 13 | 45 | 48 | ||
Haunga te whakarite i te hanganga matū me ngā āhuatanga hangarau, me tirotirohia te paipa maitai kua hurihia tika ki te ingot i raro i te mana iti.
Te Kaha Tuku: 2000 Tāne ia Marama ia Koeke o ngā ngongo maitai Tuitui mō te keri waro.
I roto i ngā paihere me te pouaka rakau kaha
7-14 ngā rā mēnā kei roto i te taonga, 30-45 ngā rā hei whakaputa
30% tāpui, 70% L/C, tārua B/L rānei, 100% L/C rānei i te tirohanga
Tuhia tō karere ki konei ka tuku mai ki a mātou
