GRB / GRC Seamless Boiler Yeeb Nkab

Engineered rau Boilers & High -Cov Nkoj Siab

Hauv kev thov cov ntawv thov xws li lub tshuab hluav taws xob tsim hluav taws xob, cov tshuab hluav taws xob muaj hluav taws xob, thiab cov tshuab hluav taws xob petrochemical, cov yeeb nkab kev ntseeg tau txiav txim siab cov khoom siv lifespan thiab kev nyab xeeb ntawm kev ua haujlwm. CovGRB / GRC series seamless boiler kavyog tsim los ntawm kev kub siab- dov lossis txias- cov txheej txheem kos duab, muab cov kev nkag siab zoo heev, oxidation tsis kam, thiab thermal qaug zog ua haujlwm, ua raws li cov qauv nruj hauv tsev thiab thoob ntiaj teb.

Manufacturing Process Flow

Kev tshuaj xyuas Billet → 2. Cua sov & tho → 3. Nruam los yog kub dov → 4. Sizing/txo → 5. Cold drawing/rolling (optional) → 6. Heat treatment (normalizing + tempering) → 7. Straightening → 8. Non-destructive testing. ntim

Ntsiab Mechanical Properties

Khoom	PEB (20G)	GRC (15CrMoG)
Tensile zog Rm (MPa)	410 – 550	450 – 600
Yield zog ReL (MPa)	Ntau dua lossis sib npaug li 245	Ntau dua lossis sib npaug li 295
Elongation tom qab tawg (%)	Ntau dua lossis sib npaug li 24	Ntau dua lossis sib npaug 22
Creep rupture zog (400℃/ 1000h)	~ 180 MPa	~ 240 MPa
Max Hardness (HB)	Tsawg dua lossis sib npaug li 156	Tsawg dua lossis sib npaug li 179

Cov qauv siv tau

Txuj	Cov Qib uas siv tau	Daim ntawv thov tseem ceeb
ASTM A192 / ASME SA192	SIB 192	Cov pa roj carbon steel boiler raj
ASTM A 210 Cov Lus Qhia	A210 C	Nruab nrab/siab-siab superheaters/reheaters
ASTM A106 1	A106 B/C	High -kub kav

Tsis yog -Kev Ntsuam Xyuas Kev Puas Tsuaj (NDT) System

Txoj kev	Lub hom phiaj
Kev kuaj ultrasonic (UT)	Longitudinal/transverse defects
Eddy Current Testing (ET)	Nto / ze - defects
Hydrostatic Test	Lub zog & xau nruj
Kev ntsuam xyuas Metallographic	Cov qoob loo loj, suav nrog

Txhua lub yeeb nkab yog ib tus kheej cim nrog cov ntaub ntawv xeem uas tuaj yeem ua tiav.

Dimensions & Tolerances

Parameter	Ntau yam
Sab nraud Diameter (OD)	21.3 hli - 762 hli
Phab ntsa Thickness (WT)	1.65mm-50mm
Ntev	raws li tus neeg siv khoom xav tau

Tej yam kev siv Engineering

Lub zog cog: 350 MW supercritical chav dej phab ntsa

Muaj boiler: 75 t / h CFB boiler superheater

Petrochemical rhaub: Convection seem tubes

Thaum tshav kub kub exchanger: High-siab feedwater heater bundles

Vim li cas thiaj xaiv peb GRB / GRC Seamless Pipes?

● Xaus-rau- xaus kev tswj hwm- los ntawm steelmaking mus rau cov yeeb nkab tiav
● Cov ntawv pov thawj thoob ntiaj teb- ISO 9001, ISO 14001, Tuam Tshoj Cov Khoom Siv Tshwj Xeeb Daim Ntawv Tso Cai (Class A boiler raj)
● Kev pab txhawb nqa- xaiv cov khoom siv, WPS pom zoo, kev soj ntsuam tsis ua haujlwm

Peb tsis yog muag cov kav dej xwb - peb xa cov khoom tiav siab -kub, siab - cov kev daws teeb meem piping.