Whakaritenga Tito Matū，%，
C: ≤0.30
Mn: 0.29-1.06
P: ≤0.025
S: ≤0.025
Si: ≥0.10
Ni: ≤0.40
Cr: ≤0.30
Cu: ≤0.40
V: ≤0.08
Nb: ≤0.02
Mo: ≤0.12
*Ka piki ake te ihirangi konupora ma te 0.05% mo ia 0.01% te hekenga o te waro ki te 1.35%.
** Ko te ihirangi Niobium, i runga i te whakaaetanga, ka piki ake ki te 0.05% mo te tātari rewa me te 0.06% mo te tātari hua kua oti.
Nga whakaritenga maimoatanga wera:
1. Whakaritea ki runga ake i te 815°C.
2. Whakaritea ki runga ake i te 815°C, ka riri.
3. Hangaia te wera i waenga i te 845 me te 945°C, ka whakamatao i roto i te oumu i runga ake i te 845°C (mo nga ngongo kore noa).
4. Ka whakamiihinihia, ka whakamahana i runga ake i te Tohu 3.
5. Ka whakapakeketia ka whakamahana ki runga ake i te 815°C.
Nga whakaritenga mahi miihini:
Te kaha tuku: ≥240Mpa
Te kaha tensile: ≥415Mpa
Whakaroa:
| Tauira | A333 GR.6 | |
| Poutū | Whakawhitiwhiti | |
| Te uara iti o te porohita paerewahe tauira, he tauira tauine iti ranei me te tohu tohu 4D | 22 | 12 |
| Ko nga tauira tapawhā me te matotoru pakitara 5/16 inihi (7.94 mm) me te nui ake, me nga tauira iti-rahi katoa i whakamatauriawhiti katoa i te 2 inihi (50 mm)tohu | 30 | 16.5 |
| Tauira tapawhā tae atu ki te 5/16 in. (7.94 mm) te matotoru pakitara i te 2 in. (50 mm) te tawhiti tohu (te whanui tauira 1/2 in., 12.7 mm) | A | A |
A Tukua kia 1.5% te whakaheke i te roanga roa me te 1.0% te whakaheke i te whakaroa whakawhiti mo ia 1/32 inihi (0.79 mm) te matotoru pakitara tae atu ki te 5/16 inihi (7.94 mm) mai i nga uara whakaroa kua whakarārangitia i runga ake nei.
Whakamātautau Pānga
Te Waahi Whakamatau: -45°C
I te wa e whakamahia ana nga tauira paanga Charpy iti me te whanui kakari kakari tauira he iti iho i te 80% o te tino matotoru o te papanga, me whakamahi he iti ake te paanga o te whakamaarama whakamaarama penei i te tatau i te Ripanga 6 o te tohu ASTM A333.
| Tauira, mm | Te iti rawa o nga tauira e toru | Te uara iti o rungae of nga tauira e toru |
| 10 × 10 | 18 | 14 |
| 10 × 7.5 | 14 | 11 |
| 10 × 6.67 | 12 | 9 |
| 10 × 5 | 9 | 7 |
| 10 × 3.33 | 7 | 4 |
| 10 × 2.5 | 5 | 4 |
Ko nga paipa rino me whakamatauhia ma te hydrostatically, kore-whakangaromia ranei (eddy current or ultrasonic) i runga i te manga-ma-manga.
Te manawanui o te diameter o waho o te paipa maitai:
| Ko te Diamita o waho, mm | te manawanui pai, mm | kātakí kino, mm |
| 10.3-48.3 | 0.4 | 0.4 |
| 48.3＜D≤114.3 | 0.8 | 0.8 |
| 114.3＜D≤219.10 | 1.6 | 0.8 |
| 219.1＜D≤457.2 | 2.4 | 0.8 |
| 457.2＜D≤660 | 3.2 | 0.8 |
| 660＜D≤864 | 4.0 | 0.8 |
| 864＜D≤1219 | 4.8 | 0.8 |
Ko te matotoru o te pakitara o te paipa maitai:
Ko nga waahi katoa kaua e iti iho i te 12.5% o te matotoru pakitara ingoa.Mena ka whakahaua te iti o te matotoru o te pakitara, kaua he tohu e iti iho i te matotoru o te pakitara e hiahiatia ana.
Wā tuku: Feb-22-2024