Mena kei te hiahia koe ki te mōhio atu ki ētahi atu kōrero, pēnei i te whakatau utu, ngā hua, ngā otinga, me ētahi atu, prīhiwhakapā mai ki a mātou i runga ipurangi.
He toa hokohoko a Tianjin Sanon Steel Pipe Co., Ltd. Kei te Tāone o Cangzhou, Porowini o Hebei tō mātou wheketere. Ko ā mātou puna matua o ngā taonga kongā paipa kōhua, ā, ko ngā rauemi e whakaatu ana i tēnei koASTM A335 P5/P11/P91/P92,ASME SA-106/SA-106MGR.B,GB/T 3087-200810#/20#. Ko ngā rauemi matua mō ngā paipa paipa koAPI 5L,API 5CT, ngā rauemi matua mō ngā paipa pakaru hinuGB/T 9948he 15MoG/12CrMoVGKo te GB/T 6479-2013 e tohu ana i ngā rauemi 10#/20#, ngā ngongo whakawhiti wera SA179/SA210/SA192, me ētahi atu. Ko ngā ngongo miihini GB/T 8162 e tohu ana i ngā rauemi 10#/20#/Q345/42CrMo, ko te EN10210 e tohu ana i ngā rauemi S355JOH/S355J2H, ko ngā ngongo rango hau GB1 8248 e tohu ana i ngā rauemi 34CrMo4/30CrMo.
Sanonpipe – Tō Kaiwhakarato Paipa Rino Paerewa GOST Pono mō te Mākete Rūhia
1. Tirohanga Whānui mō te Pūnaha Paerewa Paipa Rino Kore-Tuku a te GOST Rūhia
Ko te pūnaha paerewa GOST o Rūhia tētahi o ngā paerewa ahumahi tino pakari o te ao, e whakamahia whānuitia ana i roto i ngā rāngai hinu, hau, matū, hiko, hanga, me te hanga mīhini. Mō ngā paipa maitai kore-whakarewa kua hurihia wera, ko ngā paerewa matua ko ngā whakatakotoranga ine me ngā tikanga hangarau – me whakamahi ngātahi ēnei e rua, ā, e kore e taea te wehe.
| Paerewa | Ingoa Katoa | Kaupapa |
|---|---|---|
| GOST 8732-78 | Ngā paipa rino kore-whakaahua wera – Awhe rahinga | E tohu ana i te diameter o waho, te matotoru o te pakitara, te roa me ētahi atu tawhā āhuahanga |
| GOST 8731-74 | Ngā paipa rino kore-whakarerekē wera – Ngā tikanga hangarau | E whakaatu ana i te hanganga matū, ngā āhuatanga hangarau, ngā ture tirotiro, me ētahi atu. |
Tuhipoka Hiranga: Ka whakakapia te GOST 8732-78 e te GOST 8732-2025 i te 1 o Poutū-te-rangi, 2026. Ka taea e sanonpipe te tuku hua e tutuki ana i ngā paerewa tawhito me ngā paerewa hou, kia tino tutuki ai āu kaupapa.
2. GOST 8732-78: Paerewa Ahu Taipitopito
E pā ana te GOST 8732-78 ki ngā paipa rino kore-honohono kua hurihia kia wera (kua hurihia kia wera) mō ngā mahi whānui, i hangaia kia rite ki te diameter o waho, te matotoru o te pakitara me te roa.
Awhe whānuitanga:
Ngā diameter o waho noa: 32 – 426 mm
Te matotoru o te pakitara: kua whakaritea kia rite ki te tono
Roa: e wātea ana i ngā roa matapōkere, i ngā roa pumau rānei, tae atu ki te 30 mita
Ngā āheinga diameter o waho:
| Awhe OD | Te peka ke e whakaaetia ana |
|---|---|
| 32 – 50 mm | ± 0.5 mm |
| 51 – 219 mm | ± 1% |
Ngā āheinga matotoru o te pakitara:
| Te whānuitanga matotoru o te pakitara | Te peka ke e whakaaetia ana |
|---|---|
| 3 – 15 mm | +12.5% / –15% |
| 16 – 30 mm | ± 12.5% |
| 32 – 45 mm | +10% / –12.5% |
3. Whakamārama mō te Rauemi Rino 20 (Ст20)
Ko te maitai 20 (te ingoa Rūhia ko Ст20) te maitai hanganga waro kounga teitei e whakamahia whānuitia ana i roto i ngā paerewa Rūhia, e whakamahia whānuitia ana i roto i ngā paipa pehanga me ngā wāhanga hanganga.
Te hanganga matū (%)
| Huānga | Awhe ihirangi |
|---|---|
| C (Waro) | 0.17 – 0.24 |
| Si (Hikona) | 0.17 – 0.37 |
| Mn (Mangane) | 0.35 – 0.65 |
| S (Whānariki) | ≤ 0.040 |
| P (Pūhāota) | ≤ 0.035 |
| Kr (Kōromita) | ≤ 0.15 |
| Ni (Nīkara) | ≤ 0.30 |
| Ku (Parahi) | ≤ 0.30 |
Ngā āhuatanga miihini
| Taonga | Uara |
|---|---|
| Kaha kume (σb) | ≥ 410 MPa |
| Te kaha o te hua (σs) | ≥ 245 MPa |
| Te toronga i muri i te whati (δ5) | ≥ 21% – 24% |
| Te pakari o te pānga | ≥ 35 J/cm² |
| Te pakeketanga (HB) | ≤ 207 HB |
Ngā māka ōrite o te ao
| Pūnaha paerewa | Taurite te māka |
|---|---|
| Haina (GB) | 20# / 20G |
| USA (ASTM) | A106 Gr.B |
| Ūropi (EN) | P235GH |
| Tiamana (DIN) | St45.8 |
Ngā wāhi tono noa
Nā te tino pai o te mahi whānui, e whakamahia whānuitia ana ngā paipa maitai tuitui Steel 20 i roto i ngā mara e whai ake nei:
Hinu me te hau: ngā paipa tuku hinu me te hau, te keri pēhanga teitei
Ahumahi hiko: ngā ngongo poiha, ngā whakamahana nui, ngā kaiwhakaora moni
Ahumahi matū: oko pēhanga, paipa matū
Hanganga me ngā mīhini: ngā hanganga whare, ngā wāhanga mīhini, ngā rango waipēhi
4. Te Tautoko i te Pūnaha Paerewa
Ka tukuna e sanonpipe ngā hua i runga i te tino rite ki te pūnaha paerewa GOST katoa, me te whakarite kia tutuki katoa ngā whakaritenga urunga ki te mākete o Ruhia:
| Paerewa | Tūranga |
|---|---|
| GOST 8732-78 | Ngā whakatakotoranga āhua (OD, matotoru pakitara, roa) |
| GOST 8731-74 | Ngā tikanga hangarau (te hanganga matū, ngā āhuatanga miihini, ngā ture tirotiro) |
| GOST 9567-75 | Ngā whakaritenga ā-rahi mō ngā paipa maitai tino tika (ina hiahiatia he ātete pakari ake) |
Te whakapūmautanga kounga:
Ka tukuna ki ia puranga he MTC (Tiwhikete Whakamātautau Rauemi) katoa.
Kei te wātea ngā tiwhikete EN 10204 3.1/3.2 ina tonoa mai
E tautokona ana ngā tirotiro a te hunga tuatoru e SGS, BV, TÜV me ētahi atu.
5. He aha koe i whiriwhiri ai i te sanonpipe?
| Ā Mātou Painga | Ngā Taipitopito |
|---|---|
| Tohungatanga paerewa | Te māramatanga hōhonu ki te pūnaha GOST – te whakamārama tika i ngā whakaritenga hangarau a Rūhia |
| Pūtāhui rauemi | He rite tonu te maitai 20 ki te GOST 8731‑74, he rite ki te ASTM A106 Gr.B |
| Tukunga tere | E whakawhirinaki ana ki te 20,000 tāne o ngā taonga auau, ka tukuna ngā ota tere i roto i ngā rā 7-15 |
| Mōkihi ratonga-katoa | Mai i te uiuinga, te tirotiro papamuri me te whakatau utu ki ngā tuhinga me ngā mahi whakahaere – tuku kotahi-mutu |
| Te whakapau kaha kore-mōrearea | Neke atu i te 240 ngā pūwāhi tirotiro kounga ā-roto, kāore he rerekētanga i runga i ngā tuhinga |
| Kakariki me te waro iti | Kei te wātea ngā pūrongo tapuwae waro hua hei tautoko i te tutuki i ngā whakaritenga ESG |
Tauira o te whakaahuatanga whakatakotoranga paerewa:
*Tuhinga kaitaunaki горячедеформированная 114×6 ГОСТ 8732-78 / В 20 ГОСТ 8731-74*
(He paipa maitai kore-honohono kua hurihia wera 114×6, e rite ana ki te paerewa rahi GOST 8732‑78, rauemi maitai 20, e rite ana ki ngā tikanga hangarau GOST 8731‑74)
6. Whakapā mai
E whakapau kaha ana a sanonpipe ki te whakarato i ngā hua paipa maitai kore hononga kounga teitei, he paerewa GOST, ki ngā kiritaki i Rūhia me ngā mākete CIS. Ahakoa e hiahia ana koe ki ngā whakaritenga paerewa, ki ngā rahi ritenga rānei, ka tukuna e mātou he tautoko hangarau ngaio me ngā otinga tuku ngāwari.
Wā tuku: Pipiri-18-2026
