Ukuba ufuna ukwazi ulwazi oluthe kratya, olufana neekowuteshini, iimveliso, izisombululo, njl.njl., pqeshisanxibelelana nathi kwi-intanethi.
I-Tianjin Sanon Steel Pipe Co., Ltd. ngumthengisi wempahla. Ifektri yethu yempahla ikwiSixeko saseCangzhou, kwiPhondo laseHebei. Imithombo yethu ephambili yeempahla yileimibhobho yebhoyila, kwaye izixhobo ezimeleyoI-ASTM A335 P5/P11/P91/P92,I-ASME SA-106/SA-106MGR.B,GB/T 3087-200810#/20#. Izinto ezimele imibhobho yepayipi zeziI-API 5L,I-API 5CT, izinto ezimele imibhobho yokuqhekeka kwepetroliyamI-GB/T 9948ziyi-15MoG/12CrMoVG. I-GB/T 6479-2013 imele izinto ezi-10#/20#, iityhubhu zokutshintsha ubushushu i-SA179/SA210/SA192, njl.njl., iityhubhu zoomatshini i-GB/T 8162 zimele izinto ezi-10#/20#/Q345/42CrMo, i-EN10210 imele izinto ezi-S355JOH/S355J2H, iityhubhu zesilinda yegesi i-GB1 8248, zimele izinto ezi-34CrMo4/30CrMo.
I-Sanonpipe – Umthengisi wakho weMibhobho yeNsimbi eQhelekileyo ye-GOST othembekileyo kwiMarike yaseRashiya
1. Isishwankathelo seNkqubo yeMibhobho yeNtsimbi engenamthungo yaseRashiya iGOST
Inkqubo yemigangatho ye-GOST yaseRashiya yenye yezona migangatho zoshishino zinzima kakhulu ehlabathini, isetyenziswa kakhulu kumacandelo okuvelisa ioyile, igesi, iikhemikhali, amandla, ulwakhiwo, kunye noomatshini. Kwimibhobho yentsimbi engenamthungo eshukumayo, imigangatho ephambili iqulathe iinkcukacha zobukhulu kunye neemeko zobugcisa - zombini kufuneka zisetyenziswe kunye kwaye azinakwahlulwahlulwa.
| Umgangatho | Igama eliphelele | Injongo |
|---|---|---|
| I-GOST 8732-78 | Imibhobho yentsimbi engenamthungo eshushu – Uluhlu lobukhulu | Icacisa ububanzi bangaphandle, ubukhulu bodonga, ubude kunye nezinye iiparameter ezinobukhulu |
| I-GOST 8731-74 | Imibhobho yentsimbi engenamthungo eshushu – Iimeko zobugcisa | Icacisa ukwakheka kweekhemikhali, iimpawu zoomatshini, imithetho yokuhlola, njl. |
Inqaku elibalulekileyo: I-GOST 8732-78 iza kutshintshwa yi-GOST 8732-2025 nge-1 kaMatshi 2026. I-sanonpipe inokubonelela ngeemveliso ezihambelana nemigangatho emidala nemitsha, iqinisekisa ukuthotyelwa ngokupheleleyo kweeprojekthi zakho.
2. GOST 8732-78: Umgangatho oNzulu woBume
I-GOST 8732-78 isebenza kwiipayipi zentsimbi ezingenamthungo ezishushu (eziqengqelekayo) ezisebenza ngokwenjongo eqhelekileyo, ezenziwe ngokwedayamitha yangaphandle, ubukhulu bodonga kunye nobude.
Uluhlu lwemilinganiselo:
Ububanzi obuqhelekileyo bangaphandle: 32 - 426 mm
Ubukhulu bodonga: luhlengahlengiswe ngokwesicelo
Ubude: bufumaneka ngobude obungacwangciswanga okanye obungaguqukiyo, ukuya kuthi ga kwiimitha ezingama-30
Ukumelana nobubanzi obungaphandle:
| Uluhlu lwe-OD | Ukuphambuka okuvumelekileyo |
|---|---|
| 32 – 50 mm | ± 0.5 mm |
| 51 – 219 mm | ± 1% |
Ukunyamezelana kobukhulu bodonga:
| Uluhlu lobukhulu bodonga | Ukuphambuka okuvumelekileyo |
|---|---|
| 3 – 15 mm | +12.5% / –15% |
| 16 – 30 mm | ± 12.5% |
| 32 – 45 mm | +10% / –12.5% |
3. Inkcazo yentsimbi yezinto ezingama-20 (Ст20)
Intsimbi 20 (igama lesiRashiya elithi Ст20) yeyona ntsimbi yesakhiwo sekhabhoni esemgangathweni esetyenziswa kakhulu kwimigangatho yaseRashiya, esetyenziswa kakhulu kwimibhobho yoxinzelelo kunye nezinto zesakhiwo.
Ukwakheka kweekhemikhali (%)
| I-elementi | Uluhlu lomxholo |
|---|---|
| C (Ikhabhoni) | 0.17 – 0.24 |
| I-Si (iSilicon) | 0.17 – 0.37 |
| I-Mn (iManganese) | 0.35 – 0.65 |
| S (iSulphur) | ≤ 0.040 |
| I-P (iPhosphorus) | ≤ 0.035 |
| I-Cr (iChromium) | ≤ 0.15 |
| I-Ni (iNickel) | ≤ 0.30 |
| I-Cu (ubhedu) | ≤ 0.30 |
Iipropati zoomatshini
| Ipropati | Ixabiso |
|---|---|
| Amandla okuxinana (σb) | ≥ 410 MPa |
| Amandla okuvelisa (σs) | ≥ 245 MPa |
| Ukwandiswa emva kokuqhekeka (δ5) | ≥ 21% – 24% |
| Ukuqina kwempembelelo | ≥ 35 J/cm² |
| Ubunzima (HB) | ≤ 207 HB |
Amanqaku alinganayo ngamazwe ngamazwe
| Inkqubo esemgangathweni | Ibanga elilinganayo |
|---|---|
| ITshayina (GB) | 20# / 20G |
| I-USA (ASTM) | A106 Gr.B |
| iYurophu (EN) | P235GH |
| IJamani (i-DIN) | ISt45.8 |
Iindawo eziqhelekileyo zokusetyenziswa
Ngenxa yokusebenza kwayo okugqwesileyo iyonke, imibhobho yentsimbi engenamthungo yeSteel 20 isetyenziswa kakhulu kwezi ndawo zilandelayo:
Ioyile negesi: imibhobho yokuhambisa ioyile negesi, ukubhola ngoxinzelelo oluphezulu
Ishishini lamandla: iityhubhu zebhoyila, ii-superheater, ii-economisers
Ishishini leekhemikhali: iinqanawa zoxinzelelo, imibhobho yeekhemikhali
Ulwakhiwo kunye noomatshini: izakhiwo zokwakha, iindawo zoomatshini, iisilinda ze-hydraulic
4. Inkqubo eXhasayo esemgangathweni
i-sanonpipe inika iimveliso ngokuhambelana ngqo nenkqubo epheleleyo ye-GOST standard, iqinisekisa ukuthotyelwa ngokupheleleyo kweemfuno zokufikelela kwimarike yaseRashiya:
| Umgangatho | Indima |
|---|---|
| I-GOST 8732-78 | Iinkcukacha zobukhulu (i-OD, ubukhulu bodonga, ubude) |
| I-GOST 8731-74 | Iimeko zobugcisa (ukwakheka kweekhemikhali, iimpawu zoomatshini, imithetho yokuhlola) |
| I-GOST 9567-75 | Iinkcukacha zobukhulu beemibhobho zentsimbi ezichanekileyo kakhulu (xa kufuneka ukunyamezelana okuqinileyo) |
Ukuqinisekisa umgangatho:
Ibhetshi nganye inikwa iMTC epheleleyo (iSatifikethi soVavanyo lweZinto)
Izatifikethi ze-EN 10204 3.1/3.2 ziyafumaneka xa ziceliwe
Ukuhlolwa kweqela lesithathu yi-SGS, i-BV, i-TÜV njl.njl. kuyaxhaswa
5. Kutheni Ukhetha i-sanonpipe?
| Iingenelo Zethu | Iinkcukacha |
|---|---|
| Ubuchule obuqhelekileyo | Ukuqonda okunzulu kwenkqubo ye-GOST - ukutolikwa ngokuchanekileyo kweemfuno zobugcisa zaseRashiya |
| Isiqinisekiso sezinto eziphathekayo | I-Steel 20 ihambelana ngokupheleleyo ne-GOST 8731‑74, elingana ne-ASTM A106 Gr.B |
| Ukuhanjiswa okukhawulezayo | Ukuthembela kwiitoni ezingama-20,000 zesitokhwe esiqhelekileyo, iiodolo ezingxamisekileyo ezithunyelwa kwiintsuku ezisi-7-15 |
| Iphakheji yenkonzo epheleleyo | Ukususela kuphando, uhlolo lwemvelaphi kunye nekoteyishini ukuya kumaxwebhu kunye ne-logistics - ukuhanjiswa kwento yonke |
| Ukuzibophelela okungenamngcipheko | Iindawo zokujonga umgangatho zangaphakathi ezingaphezu kwama-240, akukho mahluko kumaxwebhu |
| Iluhlaza kunye nekhabhoni ephantsi | Iingxelo ze-carbon footprint zemveliso ziyafumaneka ukuxhasa ukuthotyelwa kwe-ESG |
Umzekelo wenkcazo yeenkcukacha ezisemgangathweni:
*Труба стальная бесшовная горячедеформированная 114×6 ГОСТ 8732-78 / В 20 ГОСТ 8731-74*
(Ipayipi yentsimbi engenamthungo eqengqelekayo eshushu eyi-114×6, ehambelana nomgangatho we-GOST 8732‑78, intsimbi yentsimbi engu-20, ehambelana neemeko zobugcisa ze-GOST 8731‑74)
6. Qhagamshelana Nathi
I-sanonpipe izibophelele ekuboneleleni ngeemveliso zemibhobho yentsimbi engenamthungo esemgangathweni ophezulu ye-GOST kubathengi baseRashiya nakwiimarike ze-CIS. Nokuba ufuna iinkcukacha ezisemgangathweni okanye ubungakanani obulungiselelwe wena, sinikezela ngenkxaso yobuchwephesha yobuchwephesha kunye nezisombululo zokubonelela eziguquguqukayo.
Ixesha leposi: Juni-18-2026
