Womic Steel tau tsim nws tus kheej ua tus neeg muab kev ntseeg siab ntawm cov ntaub ntawv zoo thiab cov kev daws teeb meem ntau dua 20 xyoo. Nrog rau kev cog lus rau kev ua tau zoo, lub tuam txhab caters rau ntau yam kev lag luam, muab cov kev daws teeb meem kom tau raws li cov kev xav tau tshwj xeeb. Lawv cov khoom muag, uas suav nrog hwm ASTM A335 P91 Hom 2 cov ntaub ntawv, yog los ntawm cov tuam txhab thoob ntiaj teb pom zoo thiab tau hloov kho tsis tu ncua kom ua tau raws li cov qauv siab tshaj plaws. Womic Steel tshwj xeeb hauv kev muab cov ntaub ntawv P91 rau kev siv lub zog siab, nrog rau cov kav dej, fittings, li qub, flanges, thiab lwm yam, kom cov neeg siv khoom tau txais cov khoom ua tau zoo tshaj plaws.

Cov qauv tuaj yeem muab los ntawm Womic Steel Group:

A335 Chrome Moly Pipes

A335 Alloy Steel Pipes

A335 P5 Alloy Steel Pipes

A335 P9 Alloy Steel Pipes

A335 P11 Alloy Steel Pipes

A335 P12 Alloy Steel Pipes

A335 P22 Alloy Steel Pipes

A335 P91 Alloy Steel Pipes

Cov yam ntxwv tseem ceeb ntawm ASTM A335 P91 Hom 2 raj
ASTM A335 P91 Hom 2 yog chrome-moly alloy hlau paub txog nws lub zog tshwj xeeb, kub tsis kam, thiab lub zog nkag. Nws raug cais raws li lub zog creep-enhanced ferritic (CSEF) steel, ua rau nws zoo tagnrho rau kev siv high-temperature thiab high-pressure applications. Cov khoom siv tau txais kev kho cua sov tshwj xeeb:

Normalizing ntawm 1050 ° C.

Cua txias rau 200 ° C.

Tempering ntawm 760 ° C.

Cov txheej txheem no txhim kho nws lub zog creep thiab durability, ua rau nws muaj kev xaiv zoo tshaj plaws rau kev xav tau ib puag ncig.

Muaj pes tsawg leeg thiab cov txiaj ntsig ntawm ASTM A335 P91 Steel Tubes
Chromium (9%): Txhim kho qhov kub thiab txias zog, oxidation kuj, thiab txhua yam khoom.

Molybdenum (1%): Txhim kho elasticity, hnav tsis kam, thiab siab kub nkag zog.

Vanadium thiab Columbium / Niobium: Ntxiv rau kev txhim kho creep zog thiab thermal qaug zog tiv thaiv.

Qhov zoo ntawm ASTM A335 P91 Steel Tubes
Txo cov phab ntsa tuab: tso cai rau cov khoom sib zog, txo lub sijhawm vuam, thiab cov hlau muab tub lim tsawg dua.

Lub neej thermal qaug zog ntau dua: Txog 10 npaug zoo dua li cov neeg ua ntej xws li T22 lossis P22.

Kev ua haujlwm kub nce ntxiv: Txhim kho kev ua haujlwm hauv cov ntawv thov kub.

Daim ntawv thov ntawm ASTM A335 P91 Steel Tubes
P91 yog siv dav hauv kev lag luam uas xav tau cov ntaub ntawv muaj peev xwm tiv taus qhov kub thiab txias. Cov ntawv thov uas muaj xws li:

Kev tsim hluav taws xob: boilers, reheat kab, thiab cov nroj tsuag sib xyaw ua ke.

Petrochemical cov nroj tsuag: cov cua sov, cov khoom siv roj ua haujlwm, thiab cov kev pabcuam roj av.

High-temperature piping systems: Haum rau kev khoov, flanging, thiab vuam ua haujlwm.

Tshuaj muaj pes tsawg leeg ntawm ASTM A335 P91 Steel Tubes
Cov tshuaj muaj pes tsawg leeg ntawm P91 ua kom nws cov kev ua tau zoo tshaj:

Cov pa roj carbon: 0.08% - 0.12%

Manganese muaj pes tsawg leeg: 0.30% - 0.60%

Chromium: 8.00% - 9.50% cov ntsiab lus

Molybdenum: 0.85% - 1.05%

Vanadium: 0.18% - 0.25%.

Nitrogen: 0.030% - 0.070%.

Lwm cov ntsiab lus: Nickel, aluminium, columbium, titanium, thiab zirconium hauv cov nqi tswj.

Mechanical Properties
Tensile zog: Yam tsawg kawg nkaus 85,000 PSI (585 MPa).

Tawm Zog: Tsawg kawg 60,000 PSI (415 MPa).

Vuam thiab kho cua sov ASTM A335 P91 Steel Tubes
Vuam P91 yuav tsum tau ua raws li cov txheej txheem los tswj nws cov khoom:

Preheating: Qhov tseem ceeb los tiv thaiv hydrogen-induced cracking.

Inter-pass kub tswj: Tswj siv cov tshuab cua sov niaj hnub.

Kev kho cua sov tom qab vuam (PWHT): Qhov tseem ceeb kom ua tiav qhov xav tau microstructure thiab zam kev ua tsis tiav.

Vuam electrodes: Yuav tsum phim cov khoom niam txiv cov khoom muaj pes tsawg leeg.

Vim li cas thiaj xaiv Womic Steel ASTM A335 P91 Hlau Tubes?
Cov lus nug dav dav: Cov ntaub ntawv P91 zoo rau txhua yam koj xav tau.

Kev txawj ntse: pab neeg muaj kev paub dhau los coj koj los ntawm kev xaiv cov khoom siv thiab daim ntawv thov.

Kev cog lus rau qhov zoo: Tsuas yog cov ntaub ntawv zoo tshaj plaws los ntawm cov tuam txhab pom zoo.

Rau txhua yam koj xav tau ASTM A335 P91 Hom 2, hu rau Womic Steel hnub no. Lawv pab neeg tau npaj los muab cov kev daws teeb meem uas tshaj qhov koj xav tau thiab xa cov ntaub ntawv zoo tshaj plaws rau koj cov haujlwm.