Haeba o batla ho tseba tlhahisoleseding e batsi, jwalo ka khotheishene, dihlahiswa, ditharollo, jj., pkhirisoikopanye le rona inthaneteng.
Tianjin Sanon Steel Pipe Co., Ltd. ke morekisi oa thepa. Feme ea rona ea thepa e Motseng oa Cangzhou, Profinseng ea Hebei. Mehloli ea rona e meholo ea thepa keliphaephe tsa boiler, 'me thepa e emelang keASTM A335 P5/P11/P91/P92,ASME SA-106/SA-106MGR.B,GB/T 3087-200810#/20#. Lisebelisoa tse emelang liphaephe tsa liphaephe keAPI 5L,API 5CT, thepa e emelang liphaephe tsa peterole tse petsohangGB/T 9948ke 15MoG/12CrMoVGGB/T 6479-2013 e emela thepa 10#/20#, liphaephe tsa phapanyetsano ea mocheso SA179/SA210/SA192, jj., liphaephe tsa mechini GB/T 8162 li emela thepa 10#/20#/Q345/42CrMo, EN10210 e emela thepa S355JOH/S355J2H, liphaephe tsa silindara ea khase GB1 8248, li emela thepa 34CrMo4/30CrMo.
Sanonpipe – Mofani oa Hao oa Liphaephe tsa Tšepe tse Tloaelehileng tsa GOST ea Tšepahalang bakeng sa 'Maraka oa Russia
1. Kakaretso ea Sistimi e Tloaelehileng ea Pipe ea Tšepe e se Nang Seamless ea Russia
Sistimi e tloaelehileng ea GOST ea Russia ke e 'ngoe ea litekanyetso tse thata ka ho fetisisa tsa indasteri lefatšeng, e sebelisoa haholo makaleng a tlhahiso ea oli, khase, lik'hemik'hale, matla, kaho le mechini. Bakeng sa liphaephe tsa tšepe tse se nang mohele tse phuthoang ka mocheso, litekanyetso tsa mantlha li na le litlhaloso tsa boholo le maemo a tekheniki - ka bobeli li tlameha ho sebelisoa hammoho 'me li ke ke tsa aroloa.
| E tloaelehileng | Mabitso a felletseng | Morero |
|---|---|---|
| GOST 8732-78 | Liphaephe tsa tšepe tse se nang mohele tse chesitsoeng tse chesang – Mefuta e fapaneng | E totobatsa bophara ba kantle, botenya ba lebota, bolelele le liparamente tse ling tse lekanang |
| GOST 8731-74 | Liphaephe tsa tšepe tse se nang mohele tse chesitsoeng tse nang le sebopeho se chesang – Maemo a tekheniki | E totobatsa sebopeho sa lik'hemik'hale, thepa ea mechini, melao ea tlhahlobo, jj. |
Tlhokomeliso ea Bohlokoa: GOST 8732-78 e tla nkeloa sebaka ke GOST 8732-2025 ka la 1 Hlakubele, 2026. sanonpipe e ka fana ka lihlahisoa tse lumellanang le maemo a khale le a macha, e netefatsa hore merero ea hau e latela melao ka botlalo.
2. GOST 8732-78: Tekanyetso e Hlakileng ea Litekanyo
GOST 8732-78 e sebetsa ho liphaephe tsa tšepe tse se nang sekoli tse chesang tse feto-fetohang (tse phutholohileng ka ho chesa) tse entsoeng ka morero o akaretsang, tse entsoeng ho latela bophara ba kantle, botenya ba lebota le bolelele.
Mefuta e fapaneng:
Bophara bo tloaelehileng ba kantle: 32 - 426 mm
Botenya ba lebota: bo lokisitsoe ho latela kopo
Bolelele: bo fumaneha ka bolelele bo sa reroang kapa bo sa fetoheng, ho fihlela ho limithara tse 30
Tokoloho ea bophara ba kantle:
| Mefuta ea OD | Ho kheloha ho lumelletsoeng |
|---|---|
| 32 – 50 mm | ± 0.5 mm |
| 51 – 219 mm | ± 1% |
Mamello ea botenya ba lebota:
| Botenya ba lebota bo fapaneng | Ho kheloha ho lumelletsoeng |
|---|---|
| 3 – 15 mm | +12.5% / –15% |
| 16 – 30 mm | ± 12.5% |
| 32 – 45 mm | +10% / –12.5% |
3. Tlhaloso ea Tšepe ea Thepa ea 20 (Ст20)
Tšepe 20 (lebitso la Serussia Ст20) ke tšepe ea sebopeho sa khabone ea boleng bo holimo e sebelisoang haholo litekanyetsong tsa Serussia, e sebelisoang haholo liphaepheng tsa khatello le likarolong tsa sebopeho.
Sebopeho sa lik'hemik'hale (%)
| Karolo | Mefuta ea litaba |
|---|---|
| C (Khabone) | 0.17 – 0.24 |
| Si (Silicone) | 0.17 – 0.37 |
| Mn (Manganese) | 0.35 – 0.65 |
| S (Sebabole) | ≤ 0.040 |
| P (Fosforase) | ≤ 0.035 |
| Cr (Chromium) | ≤ 0.15 |
| Ni (Nikele) | ≤ 0.30 |
| Cu (Koporo) | ≤ 0.30 |
Thepa ea mechini
| Thepa | Boleng |
|---|---|
| Matla a ho thapolla (σb) | ≥ 410 MPa |
| Matla a tlhahiso (σs) | ≥ 245 MPa |
| Ho lelefatsa ka mor'a ho robeha (δ5) | ≥ 21% – 24% |
| Matla a tshusumetso | ≥ 35 J/cm² |
| Boima (HB) | ≤ 207 HB |
Mekhahlelo e lekanang ea machabeng
| Sistimi e tloaelehileng | Sehlopha se lekanang |
|---|---|
| Chaena (GB) | 20# / 20G |
| USA (ASTM) | A106 Gr.B |
| Yuropa (EN) | P235GH |
| Jeremane (DIN) | St45.8 |
Libaka tse tloaelehileng tsa ts'ebeliso
Ka lebaka la ts'ebetso ea eona e ntle ka kakaretso, liphaephe tsa tšepe tse se nang sekoli tsa Steel 20 li sebelisoa haholo masimong a latelang:
Oli le khase: liphaephe tsa phetisetso ea oli le khase, ho cheka ka khatello e phahameng
Indasteri ea motlakase: liphaephe tsa boiler, li-superheater, li-economizer
Indasteri ea lik'hemik'hale: likepe tsa khatello, liphaephe tsa lik'hemik'hale
Kaho le mechini: meaho ea meaho, likarolo tsa mechini, lisilindara tsa hydraulic
4. Sistimi e Tloaelehileng e Tšehetsang
sanonpipe e fana ka lihlahisoa ho latela ka tieo sistimi e felletseng ea maemo a GOST, e netefatsa hore e latela ka botlalo litlhoko tsa phihlello ea 'maraka oa Russia:
| E tloaelehileng | Karolo |
|---|---|
| GOST 8732-78 | Litlhaloso tsa litekanyo (OD, botenya ba lebota, bolelele) |
| GOST 8731-74 | Maemo a tekheniki (motsoako oa lik'hemik'hale, thepa ea mechini, melao ea tlhahlobo) |
| GOST 9567-75 | Litlhaloso tsa litekanyo bakeng sa liphaephe tsa tšepe tse nepahetseng haholo (ha ho hlokahala mamello e thata) |
Netefaletso ea boleng:
Sehlopha se seng le se seng se tla le MTC (Setifikeiti sa Teko ea Lintho) se felletseng
Lisetifikeiti tsa EN 10204 3.1/3.2 lia fumaneha ha ho kopuoa
Litlhahlobo tsa mokga wa boraro tse etswang ke SGS, BV, TÜV jj. di a tshehetswa
5. Ke Hobane'ng ha U Khetha Sanonpipe?
| Melemo ea Rona | Lintlha tse qaqileng |
|---|---|
| Tsebo e tloaelehileng | Kutloisiso e tebileng ea sistimi ea GOST - tlhaloso e nepahetseng ea litlhoko tsa tekheniki tsa Russia |
| Tiisetso ea thepa | Tšepe 20 e latela ka botlalo GOST 8731‑74, e lekanang le ASTM A106 Gr.B |
| Phano e potlakileng | Ho itshetlehile ka ditone tse 20,000 tsa thepa e tlwaelehileng, ditaelo tse potlakileng tse fanwang ka matsatsi a 7-15 |
| Sephutheloana sa tšebeletso e felletseng | Ho tloha dipatlisisong, ditekong tsa nalane le khotheishene ho isa ditokomaneng le ditsamaisong – ho tlisa thepa sebakeng se le seng |
| Boitlamo ba ho se be le kotsi | Libaka tsa tlhahlobo tsa taolo ea boleng ba kahare tse fetang 240, ha ho na phapang litokomaneng |
| Botala le khabone e tlase | Litlaleho tsa carbon footprint tsa sehlahisoa lia fumaneha ho tšehetsa ho latela melao ea ESG |
Mohlala oa tlhaloso e tloaelehileng ea litlhaloso:
*Труба стальная бесшовная горячедеформированная 114×6 ГОСТ 8732-78 / В 20 ГОСТ 8731-74*
(Phaephe ea tšepe e se nang mohele e phutholohileng e chesang ea 114×6, e lumellanang le maemo a GOST 8732‑78, thepa ea Tšepe 20, e lumellanang le maemo a tekheniki a GOST 8731‑74)
6. Ikopanye le Rona
Sanonpipe e ikemiselitse ho fana ka lihlahisoa tsa boleng bo holimo tsa GOST tse se nang sekoli tsa tšepe tse tloaelehileng ho bareki ba Russia le limmarakeng tsa CIS. Hore na o hloka litlhaloso tse tloaelehileng kapa boholo bo ikhethileng, re fana ka tšehetso ea botekgeniki ea litsebi le litharollo tse tenyetsehang tsa phepelo.
Nako ea poso: Phuptjane-18-2026
