— Ib Phau Ntawv Qhia Tag Nrho rau Lavxias Nuclear thiab Supercritical Power Plant Cov Khoom Siv Kav Dej Kub thiab Siab

Sanonpipe - Koj Tus Neeg Muab Kev Ntseeg Siab ntawm Lavxias TU Standard Boiler Tubes

I. Kev Tso Chaw Txheem: Ib qho "Cov Lus Qhia Tshwj Xeeb" rau Cov Hlab Boiler Hluav Taws Xob Nuclear thiab Thermal

TU 3-923-75yog ib qho kev qhia tshwj xeeb (ТУ - Technical Conditions) tsim los ntawm Russia rau cov kav hlau tsis muaj seamless siv rau hauvLub chaw tsim hluav taws xob nuclear thiab lub chaw tsim hluav taws xob thermal boiler systemsTsis zoo li cov qauv thoob tebchaws (ГОСТ), cov qauv TU feem ntau yog tsim los rau cov ntawv thov kev lag luam tshwj xeeb, ua rau muaj kev cai nruj dua thiab tsom mus rau cov kev cai lij choj.

Tus qauv no feem ntau yog siv los ntawm cov tuam txhab tsim khoom siv hnyav hauv Lavxias xws liНКМЗ (Novokramatorsk Tshuab Tsim Hoobkas)thiab yog ib qho ntawm cov qauv khoom siv tseem ceeb rau cov kav dej kub thiab siab hauv Lavxias teb sab nuclear thiab thermal fais fab nroj tsuag. Thoob plaws Lavxias teb sab thiab CIS kev ua lag luam, cov qauv no yog siv dav rau cov kav dej loj hauv nuclear fais fab nroj tsuag, cov kav dej boiler superheater, cov kav dej reheater, thiab lwm yam khoom siv tseem ceeb, ua rau nws yog lub hauv paus tseem ceeb rau kev yuav cov kav dej hauv nuclear thiab thermal fais fab nroj tsuag.

Cov yam ntxwv tseem ceeb ntawm tus qauvTU 3-923-75 tsim cov kev cai nruj heev rau cov tshuaj lom neeg sib xyaw, cov khoom siv kho tshuab, cov txheej txheem kho cua sov, thiab kev tswj hwm cov khoom tsis yog hlau, ua kom muaj kev nyab xeeb ua haujlwm ntev nyob rau hauv cov xwm txheej ua haujlwm hnyav ntawm cov chaw tsim hluav taws xob nuclear thiab cov chaw supercritical.

Cov khoom siv sib xyawTus qauv no feem ntau npog ob qib tseem ceeb -16GS (16GS)cov hlau tsis tshua muaj hlau thiab15Х1М1Ф (15Kh1M1F)cov hlau tsis tshua muaj hlau uas tiv taus cua sov.

II. Cov Khoom Siv 16ГС (16GS) hauv Kev Nthuav Dav - Cov Hlau Uas Muaj Zog Tsawg

16ГС(Kev txhais lus Latin:16GS) yog cov hlau tsis tshua muaj zog thiab muaj zog raws li tus qauv Lavxias, siv dav hauv boiler, lub thawv siab, thiab kev tsim cov khoom siv vuam.

Cov qib sib npaug thoob ntiaj teb:

Txheej Txheem Txheem	Qib Sib Npaug	Cov Lus Cim
Tuam Tshoj (GB)	Q345D(yav tas los16Mn)	Cov hlau tsis tshua muaj zog thiab muaj zog
Thoob ntiaj teb dav dav	Cov hlau tsis tshua muaj hlau Mn-Si system	—

Cov tshuaj lom neeg muaj pes tsawg leeg (wt%)Nws yog cov hlau uas muaj cov pa roj carbon tsawg, cov manganese siab nrog cov pa roj carbon ≤0.20%, manganese 1.30–1.70%, thiab silicon 0.50–0.80%, muab kev vuam zoo heev thiab kev tawv thaum kub tsawg.

Cov khoom siv kho tshuab:

Lub zog tensile: 470–640 MPa

Lub zog tawm los: 305–345 MPa (nyob ntawm seb tuab npaum li cas)

Kev cuam tshuam tsis kub: ua tau raws li qhov yuav tsum tau ua ntawm -40 ° C

Cov ntawv thov ib txwm muaj:

Cov kav dej boiler hauv cov chaw tsim hluav taws xob nuclear thiab thermal

Cov khoom siv rau cov boiler thiab cov hlab siab

Cov khoom siv vuam siab thiab cov qauv hlau

Cov yam ntxwv ntawm cov khoom siv: 16ГС ntazoo heev weldability, zoo qis-kub toughness, thiab kuj siab zog, ua rau nws yog ib qho khoom siv tseem ceeb rau cov kav dej boiler hauv kev siv hluav taws xob nuclear thiab thermal.

III. Cov Khoom Siv 15Х1М1Ф (15Kh1M1F) hauv Kev Nthuav Dav - Ib qho Benchmark Low-Alloy Heat-Resistant Steel

15Х1М1Ф(Kev txhais lus Latin:15Kh1M1F) yog cov hlau uas tsis tshua muaj hlau uas tiv taus cua sov raws li tus qauv Lavxias, feem ntau yog raulub zog hluav taws xob nuclear thiab supercritical thermal fais fab kub siab, kev pabcuam siabCov hlau pearlitic no muaj cov khoom sib xyaw xws li chromium (Cr), molybdenum (Mo), thiab vanadium (V) los txhim kho lub zog nkag ntawm qhov kub siab, tiv taus oxidation, thiab kev ruaj khov mus sij hawm ntev.

Kev faib tawm ntawm cov khoom siv: 15qhia txog cov pa roj carbon ntawm kwv yees li 0.15%,Хsawv cev rau chromium (Cr),1rau cov ntsiab lus chromium ntawm kwv yees li 1%,Мrau molybdenum (Mo),1rau cov ntsiab lus molybdenum ntawm kwv yees li 1%, thiabФrau vanadium (V).

Cov qib sib npaug thoob ntiaj teb:

Txheej Txheem Txheem	Qib Sib Npaug	Cov Lus Cim
Tuam Tshoj (GB/T 3077)	15Cr1Mo1V	Cov hlau tsis tshua muaj zog tiv taus cua sov, cov khoom siv tseem ceeb rau cov chaw tsim hluav taws xob thermal hauv tsev
Lub teb chaws Yelemees (DIN/EN)	15CrMoV5-9 / 1.8521	—

Cov tshuaj lom neeg muaj pes tsawg leeg (wt%)– Cov kev cai ib txwm muaj rau TU 3-923-75:

Khoom	Cov Ntsiab Lus Ntau Yam	Lub Luag Haujlwm/Kev Piav Qhia
C (Cov pa roj carbon)	0.10 – 0.16	Sib npaug zog thiab kev tawv
Si (Silicon)	0.17 – 0.37	Txhim kho kev tiv thaiv oxidation
Mn (Manganese)	0.40 – 0.70	Ua kom muaj zog thiab tawv dua
Cr (Chromium)	1.00 – 1.40	Tsim ib zaj duab xis oxide ntom ntom, muab kev tiv thaiv corrosion thiab cua sov
Mo (Molybdenum)	0.90 – 1.10	Ua kom muaj zog kub thiab tiv taus kev nkag mus
V (Vanadium)	0.20 – 0.25	Txhim kho cov qauv ntawm cov noob thiab txhim kho lub zog thermal
Ni (Nickel)	≤ 0.25	Txhim kho qhov tawv
S (Xim av)	≤ 0.025	—
P (Phosphorus)	≤ 0.025	—

15Х1М1Ф yog tshuaj lom neeg ze heev rau Tuam Tshoj15Cr1Mo1V, uas tau siv dav hauv ntau dua 20 lub chaw xa khoom tuaj txawv teb chaws 300 MW thiab siab dua thermal fais fab rau cov kav dej loj, cov kav dej rov ua kom sov, thiab cov taub hau. Nws qhov kev loj hlob ntawm kev siv tshuab thiab kev ntseeg siab ntawm engineering tau raug lees paub tag nrho.

Cov khoom siv kho tshuab:

Lub zog tensile: ≥ 500 MPa

Lub zog tawm los: ≥ 320 MPa

Kev ntev (δ5): ≥ 18% (ntev) / ≥ 16% (transverse)

Kev cuam tshuam toughness (KCU): ≥ 500 kJ / m² (longitudinal) / ≥ 400 kJ / m² (transverse)

Cov yam ntxwv tseem ceeb ntawm kev ua tau zoo:

Lub zog thermal: Kev sib ntxiv ua ke ntawm Mo thiab V ua rau lub zog tawg ntawm qhov kub siab dua zoo dua.

Kev ruaj khov ntawm cov qauv me meTom qab normalizing thiab high-tempering, ib qho ruaj khov bainite / tempered sorbite qauv tau txais.

Qhov kub thiab txias uas pom zoo: Muaj peev xwm ua haujlwm tau ntev ntawm qhov kub thiab txiastxog li + 585 ° C.

Kev tsim nyog ntawm nuclear: Haum rau cov khoom siv fais fab nuclear (AC) thiab cov kav dej.

Cov cheeb tsam thov ib txwm muaj:

Daim Ntawv Thov	Kev Siv Tshwj Xeeb	Cov Cai ntawm Kev Pabcuam
Lub zog nuclear	Cov kav dej loj, cov kav dej siv siab	Kub siab, siab siab, hluav taws xob ib puag ncig
Lub zog thermal	Cov raj xa dej kub heev / ultra-supercritical boiler superheater, cov raj xa dej rov ua kom sov, cov kav dej loj	Kub ≤585 ° C, kev nyuaj siab supercritical
Kev tsim khoom siv boiler	Cov raj xa dej siab siab, cov kav dej boiler	Cov txheej txheem ua pa siab, kev pabcuam ntev
Cov hlab ntsha siab	Cov hlab ntsha kub siab	Kub siab

IV. Kev Rigidity ntawm TU 3-923-75 Tus Qauv

Raws li tus qauv tshwj xeeb rau cov raj xa dej fais fab nuclear thiab thermal, TU 3-923-75 tsim cov kev cai nruj heev:

Cov txheej txheem kho cua sovTus qauv qhia meej txog kev kho cua sov rau 15Х1М1Ф, feem ntaunormalizing + kub tempering, kom ua tiav cov qauv bainite/tempered sorbite ruaj khov. Kev tswj hwm qhov tseeb ntawm cov txheej txheem kho cua sov ncaj qha txiav txim siab qhov ruaj khov ntawm cov qauv me me thiab cov khoom siv kho tshuab thaum lub sijhawm ua haujlwm kub ntev.

Kev tswj cov tshuaj lom neeg nrujKev txwv nruj rau cov khoom tsis huv xws li sulfur thiab phosphorus ua kom cov khoom huv thiab ntseeg tau thaum ua haujlwm kub ntev.

Kev sim tsis puas tsuajTxhua lub raj yuav tsum dhau los ntawm kev kuaj ultrasonic (UT) thiab kev kuaj eddy tam sim no (ET) kom lav qhov tsis muaj qhov tsis zoo sab hauv.

V. Kev Tswj Xyuas Zoo thiab Kev Txhawb Nqa Kev Ua Raws Cai CBAM

Kev ruaj ntseg zoo:

Txhua lub batch muaj ib daim ntawv qhia tiavMTC (Daim Ntawv Pov Thawj Xeem Zeb)

EN 10204 3.1/3.2daim ntawv pov thawj muaj thaum thov

Kev tshuaj xyuas los ntawm cov neeg thib pebSGS, BV, TUVtxhawb nqa

Kev taug qab tag nrho los ntawm tus lej cua sov mus rau cov khoom tiav

Kev txhawb nqa kev ua raws li EU CBAM carbon tariff:

Peb muab cov ntaub ntawv txog kev tso pa roj carbon rau cov khoom 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 tshuaj xyuas

Pab koj zam kev nplua rau tus nqi tsis raug ntawm EU thiab txo cov nqi them rau cov pa roj carbon

VI. Vim li cas ho xaiv Sanonpipe?

Peb Qhov Zoo	Cov ntsiab lus
Kev txawj ntse txheem	Kev nkag siab tob txog TU 3-923-75 thiab lub tshuab thev naus laus zis Lavxias, nrog rau kev txhais lus tseeb ntawm cov kev xav tau ntawm lub raj xa dej fais fab nuclear thiab thermal.
Kev lees paub khoom siv	Daim ntawv pov thawj khoom siv tiav rau 16ГС thiab 15Х1М1Ф, nrog rau kev muab cov ntaub ntawv qib sib npaug ntawm Lavxias thiab Suav tib lub sijhawm
Muaj ntau qhov loj me sib txawv	Muaj nyob rau hauv sab nraud diameters10–630 hlithiab phab ntsa thicknesses1–32 hli, uas suav nrog cov kev xav tau tseem ceeb
Kev xa khoom sai	Muaj 20,000-tonne khoom seem; cov xaj xwm txheej ceev xa tuaj tsis pub dhau 7-15 hnub
Kev pabcuam puv ntoob	Txij li kev nug, kev piav qhia txog kev siv tshuab, thiab kev hais nqe mus rau cov ntaub ntawv thiab kev xa khoom - kev xa khoom ib zaug xwb
Kev cog lus tsis muaj kev pheej hmoo	Muaj ntau tshaj 240 qhov chaw kuaj xyuas kev tswj xyuas zoo sab hauv thiab tsis muaj qhov tsis sib xws ntawm cov ntaub ntawv sau cia

 VII. Tiv Tauj Peb

Sanonpipe mob siab rau kev muab cov raj xa dej zoo seamless raws li TU 3-923-75 rau cov chaw fais fab nuclear thiab thermal hauv Russia thiab thaj tsam CIS. Txawm hais tias koj xav tau cov lus qhia txheem lossis cov qhov ntau thiab tsawg, peb muab kev txhawb nqa kev tshaj lij thiab kev daws teeb meem yooj ywm.

Cov piv txwv piav qhia txog cov lus qhia tshwj xeeb:

Труба стальная бесшовная горячедеформированная 630 × 25 ТУ 3-923-75 / 16ГС
(Kub-dov seamless hlau raj 630 × 25, ib TU 3-923-75, qib 16ГС)

Труба стальная бесшовная горячедеформированная 530 × 18 ТУ 3-923-75 / 15Х1M1Ф
(Kub-kuav seamless hlau raj 530 × 18, ib TU 3-923-75, qib 15Х1М1Ф)

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Cov Qauv Siab · Kev Xa Khoom Sai · Tsis Muaj Kev Pheej Hmoo · Cov Pa roj Carbon Tsawg