Yog tias koj xav paub ntau ntxiv, xws li kev hais nqe, cov khoom lag luam, cov kev daws teeb meem, thiab lwm yam, pdaim ntawv xauj tsevtiv tauj peb hauv online.
Tianjin Sanon Steel Pipe Co., Ltd. yog tus muag khoom. Peb lub Hoobkas Tshuag nyob hauv Cangzhou City, Hebei Xeev. Peb cov khoom tseem ceeb yogcov kav dej boiler, thiab cov ntaub ntawv sawv cev yogASTM A335 P5/P11/P91/P92,ASME SA-106/SA-106MGR.B,GB/T 3087-200810 # / 20 #. Cov ntaub ntawv sawv cev ntawm cov kav dej yogAPI 5L,API 5CT, cov ntaub ntawv sawv cev ntawm cov kav dej tawg roj avGB/T 9948yog 15MoG/12CrMoVGGB/T 6479-2013 sawv cev rau cov khoom siv 10#/20#, cov raj xa cua sov SA179/SA210/SA192, thiab lwm yam., cov raj xa khoom siv kho tshuab GB/T 8162 sawv cev rau cov khoom siv 10#/20#/Q345/42CrMo, EN10210 sawv cev rau cov khoom siv S355JOH/S355J2H, cov raj xa roj GB1 8248, sawv cev rau cov khoom siv 34CrMo4/30CrMo.
— Ib Phau Ntawv Qhia Txog Cov Yeeb Nkab Uas Tsis Muaj Qhov Txuas Thiab Cov Khoom Siv Los Ntawm Lavxias
Sanon Yeeb Nkab - Koj Tus Neeg Muab Khoom Uas Ntseeg Tau ntawm GOST-Compliant Precision Steel Tubes
1. Txheej Txheem Txheej Txheem: Kev Sib Raug Zoo Ntawm GOST 8734 thiab GOST 8733
GOST 8734-75 yog tus qauv ntsuas qhov ntev / kev sib xyaw rau cov kav dej hlau tsis muaj qhov txias (kos txias / dov txias) hauv tebchaws Russia (yav tas los USSR). Nws qhia txog qhov dav dav sab nraud, cov koob tuab ntawm phab ntsa, qhov ntev ntawm qhov ntev, hom ntev thiab qhov sib txawv uas tso cai, thiab qhov hnyav theoretical ntawm cov kav dej. Cov txheej txheem kos duab txias ua tiav qhov tseeb ntawm qhov ntev dua li cov kav dej kub dov, ua rau nws yog qhov kev xaiv zoo tshaj plaws rau cov cuab yeej precision, cov tshuab hydraulic, cov qauv kho tshuab siab, thiab cov ntawv thov zoo sib xws.
Hauv cov txheej txheem qauv Lavxias, GOST 8734-75 yuav tsum tau siv ua ke nrog nws cov txheej txheem kev cai lij choj GOST 8733-87. Hauv qhov tseem ceeb, GOST 8734-75 txhais "lub yeeb nkab zoo li cas" (qhov ntev thiab kev kam rau siab), thaum GOST 8733-87 txhais "cov khoom siv nws yog dab tsi thiab nws muaj zog npaum li cas" (kev sib xyaw thiab kev ua tau zoo).
| Tus Qauv | Lub Npe Suav | Scope |
|---|---|---|
| GOST 8733-87 | Cov kav hlau tsis muaj seamless txias - Cov xwm txheej kev siv tshuab | Cov qib hlau, cov tshuaj lom neeg muaj pes tsawg leeg, cov khoom siv kho tshuab, kev ntsuam xyuas cov txheej txheem, kev ntsuam xyuas hydrostatic, cov cai tshuaj xyuas, kev cim, kev ntim khoom |
| GOST 8734-75 | Cov kav hlau tsis muaj qhov txias - Kev xaiv ntau yam | Sab nraud txoj kab uas hla, phab ntsa tuab series, dimensional tolerances, ntev hom thiab tso cai deviations, theoretical hnyav |
Lub Tswv Yim Txog Kev Yuav Khoom: Hauv cov ntaub ntawv engineering lossis cov ntawv xaj yuav khoom, GOST 8733 thiab GOST 8734 yuav luag ib txwm raug xa mus ua ke; lawv tsim cov qauv khoom tiav rau cov yeeb nkab.
2. Cov Khoom Siv Piav Qhia Txog: Hlau 20 (Qib 20)
Hlau 20 (Lavxias lub npe Ст20) yog cov hlau carbon zoo tshaj plaws uas siv ntau tshaj plaws raws li tus qauv GOST 8734, muab kev sib xyaw ua ke zoo. Tsis zoo li cov hlau kub dov 20 hauv GOST 8731, cov hlau txias kos 20 muab qhov tseeb ntawm qhov ntev thiab qhov zoo ntawm qhov chaw.
Cov Tshuaj Muaj pes tsawg leeg (%)
| Khoom | Cov Ntsiab Lus Ntau Yam | Lub Luag Haujlwm / Cov Nyhuv |
|---|---|---|
| C (Cov pa roj carbon) | 0.17 – 0.24 | Ua kom muaj kev sib npaug ntawm lub zog thiab kev tawv nqaij |
| Mn (Manganese) | 0.35 – 0.65 | Ua kom muaj zog thiab tawv dua |
| Si (Silicon) | 0.17 – 0.37 | Txhim kho kev tiv thaiv oxidation |
| P (Phosphorus) | ≤ 0.030 | Tswj cov kev hloov pauv ntawm qhov txias |
| S (Xim av) | ≤ 0.035 | Txo qhov kev pheej hmoo ntawm kev kub hnyiab |
| Cr (Chromium) | ≤ 0.25 | Txhim kho kev tiv thaiv xeb |
| Ni (Nickel) | ≤ 0.30 | Txhim kho kev tawv tawv |
| Cu (Tooj liab) | ≤ 0.30 | Txhim kho kev tiv thaiv huab cua |
Cov Khoom Siv Kho Tshuab
| Vaj tse | Tus nqi | Kev Ntsuas Tus Qauv |
|---|---|---|
| Lub zog tensile (σb) | ≥ 412 MPa | GOST 1497 |
| Lub zog tawm los (σs) | ≥ 245 MPa | GOST 1497 |
| Kev ncab tom qab tawg (δ5) | ≥ 21% | GOST 1497 |
| Qhov nyuaj (HB) | ≤ 156 HB | GOST 9012 |
3. Qhov Ntev thiab Kev kam rau siab (Core ntawm GOST 8734-75)
Qhov Ntev ntawm Qhov Ntev
Cov txheej txheem kos duab txias ua rau cov yeeb nkab muaj qhov tseeb siab heev. Kev kam rau sab nraud ntawm lub cheeb tuaj yeem ncav cuag qhov nruj li ± 0.15 hli lossis ± 0.8%, ua tau raws li cov kev cai nruj ntawm cov tshuab precision thiab cov tshuab hydraulic:
| Cov Qauv | Ntau yam |
|---|---|
| Sab nraud txoj kab uas hla (OD) | 1 – 200 hli |
| Phab ntsa tuab (WT) | 0.2 – 22 hli |
| Ntev | Qhov ntev tsis tu ncua 1.5 – 11.5 m; qhov ntev ruaj khov 4 – 9 m |
Kev kam rau sab nraud
| OD Ntau Yam (hli) | Kev Sib Txawv Tso Cai (hli) |
|---|---|
| 5 ≤ OD ≤ 10 | ±0.15 |
| 10 < OD ≤ 30 | ±0.30 |
| 30 < OD ≤ 50 | ±0.40 |
| Qhov siab tshaj plaws > 50 | ±0.8% |
Kev kam rau siab ntawm phab ntsa
| Qhov hnyav ntau (hli) | Kev Sib Txawv Tso Cai |
|---|---|
| Qhov Hnyav ≤ 1 | ±0.12 hli |
| 1 < Qhov Hnyav ≤ 5 | ±10% |
| Qhov Hnyav > 5 | ±8% |
Kev Cai Ncaj Ncees (ib 'meter' ntev)
| OD Ntau Yam (hli) | Qhov Siab Tshaj Plaws |
|---|---|
| 5 – 8 | ≤ 3 hli |
| 8 – 10 | ≤ 2 hli |
| > 10 | ≤ 1.5 hli |
Lus Cim: Rau cov kav dej uas muaj txoj kab uas hla 20–90 hli, cov kev txwv ncaj dua tuaj yeem muab tau yog tias muaj kev thov tshwj xeeb.
4. Cov Qib Sib Npaug Thoob Ntiaj Teb
Hlau 20 sib raug zoo nrog cov qib hauv lwm cov qauv thoob ntiaj teb, pab txhawb kev xaiv thoob ntiaj teb thiab kev hloov pauv:
| Txheej Txheem Txheem | Qib Sib Npaug |
|---|---|
| Tuam Tshoj (GB) | 20 # (GB/T 699 cov hlau zoo carbon) / 20G (rau cov boilers siab) |
| Tebchaws Meskas (ASTM) | A106 Qib B |
| Nyiv Pooj (JIS) | S20C |
5. Cov Txiaj Ntsig Tseem Ceeb ntawm Cov Txheej Txheem Kos Duab Txias
Piv nrog cov kav dej kub-kuav, GOST 8734‑75 cov kav dej txias-kos seamless muaj cov txiaj ntsig sib txawv hauv qab no:
| Qhov zoo | Kev Piav Qhia Txog Kev Siv Tshuab | Tus nqi ntawm cov neeg siv khoom |
|---|---|---|
| Qhov tseeb ntawm qhov ntev | Kev kam rau siab ua tiav los ntawm kev kos duab txias | Zoo meej haum rau cov tshuab ua haujlwm siab thiab cov tshuab hydraulic |
| Sab hauv du | Txo qhov roughness sab hauv kom txo qhov tsis kam ntawm cov kua dej | Txhim kho kev ua haujlwm zoo hauv cov tshuab hydraulic thiab pneumatic |
| Lub zog kho tshuab zoo | Txaus tensile thiab yield zog | Haum rau kev siv siab thiab kev siv cov qauv |
| Ntau qhov loj me | OD 1–200 hli, WT 0.2–22 hli | Ua tau raws li ntau yam kev xav tau ntawm kev tsim vaj tsev thiab kev tsim qauv |
6. Cov Ntawv Thov Ib Txwm Muaj
GOST 8734‑75 / Hlau 20 cov kav dej txias uas tsis muaj qhov sib txuas tau siv dav hauv cov xwm txheej hauv qab no:
| Thaj Chaw Thov | Kev Siv Tshwj Xeeb | Vim Li Cas Xaiv |
|---|---|---|
| Kev thauj roj thiab roj av | Cov kav dej qis qis | Zoo weldability, nruab nrab lub zog |
| Cov khoom siv pauv cua sov | Cov khoom siv cua sov / condenser tube bundles | Qhov tseeb ntawm qhov ntev, kev hloov pauv cua sov zoo |
| Kev tsim khoom siv tshuab | Cov khoom siv tshuab, cov khoom siv tsheb | Kev siv tshuab zoo heev, qhov ntev sib xws |
| Cov txheej txheem hydraulic | Cov kav dej hydraulic, cov kav roj | Sab hauv du, tsis tshua muaj kua dej tsis kam |
| Cov kav dej lag luam | Cov kav dej dav dav hauv kev lag luam | Kev ua tau zoo tag nrho sib npaug, tsim nyog tus nqi |
Cov khoom siv no muaj kev ua haujlwm zoo thiab weldability, ua rau nws tsim nyog rau cov ntawv thov nruab nrab. Qhov ntau ntawm 10–76 hli OD yog qhov loj me feem ntau rau GOST 8734 cov kav dej txias-kos seamless.
7. Kev Tswj Xyuas Zoo thiab Kev Txhawb Nqa Kev Ua Raws Cai CBAM
Kev Tswj Xyuas Zoo:
Txhua pawg khoom muab nrog MTC (Daim Ntawv Pov Thawj Xeem Zeb) tiav.
Daim ntawv pov thawj EN 10204 3.1/3.2 muaj thaum thov.
Kev tshuaj xyuas los ntawm cov neeg thib peb los ntawm SGS, BV, TÜV, thiab lwm yam tau txais kev txhawb nqa.
Kev taug qab tag nrho los ntawm tus lej yaj mus rau cov khoom tiav.
Kev Txhawb Nqa Kev Ua Raws Cai ntawm CBAM (Lub Tswv Yim Kho Kom Zoo Dua ntawm Ciam Teb Carbon):
Peb tuaj yeem muab cov ntaub ntawv txog kev tso pa roj carbon rau cov khoom lag luam raws li kev ntsuas qhov chaw tiag tiag.
Kev pab hauv kev npaj cov phiaj xwm saib xyuas, cov ntawv qhia txog kev tso pa tawm, thiab lwm cov ntaub ntawv pov thawj.
Pab koj zam kev nplua rau tus nqi tsis raws cai ntawm EU.
8. Vim li cas ho xaiv Sanon Yeeb Nkab Kev Lag Luam?
| Peb Lub Zog | Cov ntsiab lus |
|---|---|
| Kev txawj ntse ntawm cov qauv | Kev nkag siab tob txog GOST 8733/8734 system; kev txhais lus tseeb ntawm cov kev cai lij choj Lavxias |
| Kev ruaj khov ntawm cov khoom siv | Daim ntawv pov thawj tiav rau Steel 20; peb kuj tuaj yeem muab cov ntaub ntawv qib GB / ASTM / JIS sib npaug |
| Kev ua kom raug tseeb tau lees paub | Kev tsim khoom ua raws li GOST 8734‑75 qhov yuav tsum tau ua kom tau zoo - qhov tseeb txhim khu kev qha |
| Kev xa khoom sai | Muaj 20,000 tonnes ntawm cov khoom muag; cov xaj ceev xa tuaj rau hauv 7-15 hnub |
| Kev pabcuam puv ntoob | Kev pabcuam ib zaug xwb, txij li kev nug, kev kuaj keeb kwm yav dhau los, kev hais nqe, cov ntaub ntawv pov thawj, mus txog kev xa khoom |
| Kev cog lus tsis muaj kev pheej hmoo | Muaj ntau tshaj 240 qhov chaw kuaj xyuas sab hauv; tsis muaj qhov sib txawv ntawm cov ntaub ntawv |
9. Tiv Tauj Peb
Sanon Pipe mob siab rau kev muab cov kav hlau tsis muaj qhov tsis zoo uas ua raws li GOST rau cov neeg siv khoom hauv tebchaws Russia, CIS, thiab lwm qhov. Txawm hais tias koj xav tau qhov loj me lossis qhov loj me, peb muab kev txhawb nqa kev tshaj lij thiab kev daws teeb meem yooj yim.
Piv txwv piav qhia txog cov lus qhia tshwj xeeb:
Труба стальная бесшовная холоднодеформированная 57 × 3.5 ГОСТ 8734-75 / В 20 ГОСТ 8733-87
(Cov yeeb nkab hlau tsis muaj qhov tsis sib xws uas rub txias 57 × 3.5, raws li GOST 8734‑75 tus qauv ntsuas, cov khoom siv Hlau 20, ib qho GOST 8733‑87 cov xwm txheej kev siv tshuab)
SANONPIPE
+86 22 58658800
info@sanonpipe.com
www.sanonpipe.com
Cov Qauv Siab · Kev Xa Khoom Sai · Tsis Muaj Kev Pheej Hmoo · Ntsuab thiab Tsis Muaj Carbon
Lub sijhawm tshaj tawm: Lub Rau Hli-26-2026
