ASTM A335 / ASME SA335 P92 yog qhov zoo tshaj plaws seamless ferritic Cr-Mo-V-Nb alloy steel yeeb nkab rau ultra- kub & kev pabcuam siab.

Piv nrog P91, P92 ntxiv tungsten & Boron los ua kom muaj zog ntau ntxiv, lub sijhawm ntev - microstructure stability thiab siab - kub oxidation kuj, ua hauj lwm yam xyuam xim nyob rau hauv 600-650℃ultra-supercritical kev khiav hauj lwm tej yam kev mob. Tag nrho cov kav dej yog seamless kub - dov / txias - kos, tsis muaj vuam tsis xws luag, nrog tag nrho cov tsis muaj -kev kuaj kev puas tsuaj (UT, ET, Hydrostatic Test) thiab official Mill Test Certificate EN 10204 3.1 rau lub ntiaj teb no fais fab & petrochemical tej yaam num.

Ua kom tiav Technical Parameters:

1. Tshuaj muaj pes tsawg leeg (Qhov hnyav, ASTM A335 Standard)

Element	Min (%)	Max (%)	Function Description
C	0.07	0.13	Txhim kho qhov yooj yim tensile & hardening kev ua tau zoo
Si	-	0.50	Anti-oxidation ntawm qhov kub thiab txias
Mn	0.30	0.60	Refine grain, txhim khu ductility
P	-	0.020	impurity txwv, zam brittleness
S	-	0.010	Impurity txwv, tiv thaiv kub tawg
Cr	8.50	9.50	Anti-corrosion & siab- kub oxidation kuj
Mo	0.30	0.60	Txhawb nqa creep kuj, stabilize carbide
V	0.15	0.25	Cov dej nag ntxiv dag zog, txhim kho toughness
W	1.50	2.00	Cov ntsiab lus tseem ceeb los hloov kho siab -kub creep kev ua tau zoo vs P91
N	0.03	0.07	Txhim kho matrix, stabilize microstructure
Nb	0.04	0.09	Fine MX precipitate, ncua kev pab cuam lub neej
B	0.001	0.006	Txhawb ntev - lub sij hawm rupture zog

2. Mechanical Properties (chaw kub, Min. Tus nqi)

Cov khoom kuaj	Txuj Kev Cai
Tensile zog (Rm)	Ntau dua lossis sib npaug li 620 MPa
Yield zog (Rp0.2)	Ntau dua lossis sib npaug li 440 MPa
Elongation (A)	Ntau dua lossis sib npaug li 20%
Hardness (HB)	Tsawg dua lossis sib npaug li 250 HB

3 .Kev tsim khoom & Dimension Specifications

Cov txheej txheem tsim khoom: EAF Smelting → LF + VD Nqus Refining → Billet Piercing → Kub Rolling / Cold Drawing → Normalizing + Tempering Thaum tshav kub kub kho → Straightening → Finishing

Loj Scope

Sab nraud txoj kab uas hla: 16mm ~ 1422mm

Phab ntsa Thickness: 2mm ~ 140mm

Standard Length: Ib qho Random 5-7m, Ob Chav Random 10-12m, Custom Cut Length

Pipe End: Plain End / Beveled End rau Vuam

Nto tiav: Dub kub- dov tiav / Lub teeb tiv thaiv- xeb roj / Varnish txheej

Kev ua raws cai: nruj ASTM A335 qhov ntev kam rau ua rau OD, WT, ncaj

NDE Inspection: 100% Ultrasonic Test, Eddy Tam sim no Test, Hydrostatic Pressure Test

Tsim nyog Suav P92 yeeb nkab Manufacturers & lwm tus neeg

Tag nrho cov hauv qab no factories tuav ISO, CE, ASME boiler siab nkoj ntawv pov thawj, loj ruaj khov tso zis ntawm A335 P92 seamless alloy yeeb nkab rau thoob ntiaj teb export:

Tianjin Pipe Group (TPCO / Tianjin Seamless)

Tuam Tshoj sab saum toj lub xeev- muaj seamless steel yeeb nkab zeb, tag nrho OD ntau yam P92 kub- dov tuab- cov yeeb nkab phab ntsa, thawj tus neeg muag khoom rau domestic & txawv teb chaws ultra-supercritical fais fab nroj tsuag, nruj PMI khoom soj ntsuam.

Yangzhou Chengde Steel Yeeb Nkab Co., Ltd.

Loj - txoj kab uas hla hnyav phab ntsa alloy yeeb nkab tshwj xeeb (OD 219-1422mm), loj txhua xyoo export ntim rau cov teb chaws Asia, Middle East fais fab chaw nres tsheb tej yaam num.

Baowu Steel Group (Shanghai Baosteel / Inner Mongolia Baosteel)

Hwm siab -alloy tube ntau lawm kab, ruaj khov siab -purity P92 billet raw khoom, muab rau siab -kawg AUSC zog chav tsev lub ntsiab chav pipeline.

Yuhong Group (Ningbo)

Integrated alloy yeeb nkab ntau lawm & export lag luam, me & nruab nrab loj txias -kos P92 raj Tshuag, hloov tau MOQ rau engineering distributors.

Cangzhou Baoyang / Hebei Hongcheng Pipeline Kev Lag Luam

Loj qhov chaw warehouse ntawm P92 seamless yeeb nkab, tag nrho - cov lus nug loj, xa ceev ceev rau qhov kev txiav txim ceev, koom tes nrog cov hlau loj saum toj no raws li kev tso cai xa tawm.

Daim ntawv thov teb

1.Thermal Power Generation (Core Application)

Ultra-supercritical (USC) & Advanced Ultra-supercritical (AUSC) boiler plaub loj kav dej
Main steam pipeline, reheat steam pipeline, superheater & reheater header hlab
Siab - kub siab - siab boiler superheater coils, rauv phab ntsa hlab
Combined cycle gas turbine siab -kub kua pipelines

2. Kev lag luam Petrochemical & Refinery

High -kub reactor cua sov coils, hydrogenation unit txheej txheem kav
Crude roj refining siab -siab kub exchanger raj
Coal chemical synthetic gas siab -kub kis kab mob

3 .Lwm kev lag luam hnyav

Pov tseg-rau- lub zog boiler siab- qhov kub thiab txias siab
Hnub ci thermal fais fab cua sov cov kav dej
Kev lag luam hnyav siab -kub siab lub nkoj txuas cov kav dej

FAQ

Q1: Dab tsi yog qhov siab tshaj plaws kev pabcuam kub ntawm A335 P92 yeeb nkab?
A1: Ntev-lub sij hawm ruaj khov ua hauj lwm kub txog 620 degree, luv-lub sij hawm ncov kub 650 degree; Qhov kev ua tau zoo tshaj plaws ntawm kev nkag siab zoo dua li P91 rau 600℃-chav kawm ultra-supercritical power stations.
Q2: Puas yog P92 weldable? Peb yuav tsum ua raws li qhov yuav tsum tau welding?
A2: Yog, weldability zoo. Ua ntej-heat Ntau dua lossis sib npaug li 200℃ua ntej vuam; Yuav tsum tau Post-Weld Heat Treatment (PWHT) ntawm 750-780℃tom qab vuam kom tsis txhob martensite hardening & tawg. Matched welding consumable: P92 alloy vuam pas nrig / hlau.
Q3: Tuam Tshoj cov tuam txhab lag luam puas tuaj yeem muab tag nrho MTC & thib peb-kev tshuaj xyuas tog?
A3: Tag nrho peb cov kev sib koom ua haujlwm mills teeb meem EN 10204 3.1 Daim Ntawv Pov Thawj Zeb Xeem nrog cov ntaub ntawv kuaj tshuaj thiab cov khoom siv tag nrho. Peb txhawb peb -kev tshuaj ntsuam xyuas ua ntej xa khoom: SGS, BV, TUV, raws li tus neeg yuav khoom thov.
Q4: MOQ & lub sijhawm xa khoom yog dab tsi?
A4: Cov khoom muag MOQ: 3 tons rau ntau qhov ntau thiab tsawg; Kev cai kub - dov ntau lawm MOQ: 10 tons. Pom cov khoom xa tuaj hauv 7-15 hnub; Kev cai ntau lawm ua lub sij hawm 30-45 hnub.
Q5: Cov nqe lus them nqi twg peb tuaj yeem lees txais?
A5: FOB Tianjin / Shanghai Chaw nres nkoj, CFR / CIF chaw nres nkoj, EXW Hoobkas nqi tag nrho muaj. Peb muab cov Hoobkas sib tw- tus nqi ncaj qha yam tsis muaj tus neeg nruab nrab kos npe.
Q6: Yuav ua li cas paub qhov txawv P92 los ntawm P91 ntawm qhov chaw?
A6: 1. Txheeb xyuas cov yeeb nkab txau cov cim kub & MTC tshuaj muaj pes tsawg leeg (P92 muaj W 1.5–2.0%, P91 muaj pes tsawg tungsten); 2. Nyob rau -site PMI portable khoom soj ntsuam rau ceev ceev alloy caij qhia.
Q7: Peb puas tuaj yeem hloov kho qhov ntev & yeeb nkab kawg bevel kaum?
A7: Txhawb nqa kev cai txiav ntev, customized bevel kaum sab xis 30℃/ 37.5℃/ 45 degree, yeeb nkab kawg chamfer, tiv thaiv - xeb txheej, logo luam ntawv ib tus neeg yuav khoom qhov yuav tsum tau ua.
Q8: Puas yog P92 yeeb nkab haum rau sulfur- muaj cov kua dej kub -?
A8: Nws 8.5-9.5% Cr cov ntsiab lus muab nruab nrab los tiv thaiv -oxidation & sulfur corrosion kuj; rau qhov hnyav siab - nruab nrab sulfur, peb pom zoo ntxiv los tiv thaiv - cov tshuaj tiv thaiv corrosion.