Rau cov engineers hauv aerospace, lub zog, thiab petrochemical kev lag luam, qhov kev sib tw loj tshaj plaws hauv vuamGH4169 steel yeeb nkabnyob rau hauv kev ncaj ncees ntawm cov weld thiab tshav kub- cuam tshuam cheeb tsam (HAZ). Thaum lub sij hawm vuam, qhov kub siab heev tuaj yeem ua rau:
Thaum tshav kub kub- cuam tshuam thaj chaw softening:Cov theem ntxiv dag zog dissolves, ua rau lub zog qis dua nyob rau hauv qhov chaw weld piv rau lub hauv paus hlau.
Lim -aging cracking:Cov kev ntxhov siab uas seem los ntawm kev vuam tuaj yeem ua rau muaj kev tawg thaum lub caij txias lossis pib qhov kub siab - kev pabcuam kub.
Siab tawg txaus ntshai:Nyob rau hauv siab - kev caij tsheb kauj vab siab, tsis muaj zog welds muaj zog heev rau kev sib tsoo tawg.
NtawmGnee Steel, peb tau cog lus tias yuav tshem tawm cov kev pheej hmoo no. PebASME SB168 GH4169 welded steel yeeb nkabtsis yog tsuas yog tsim; nws tau dhau los ua tus tswv ob - txheej txheem kev laus kom ntseeg tau tias thaj chaw vuam ua tiav tib yam kev ncaj ncees raws li lub hauv paus hlau.
Tau txais daim ntawv tsocai rau GH4169 cua sov-kho cov kav dej tam sim no
ASME SB168 GH4169 Kev kho cua sov txheej txheem rau Welded Steel kav
ASME SB168 GH4169 Kev kho cua sov txheej txheem rau Welded Steel kav
ASME SB168 GH4169 (Inconel 718) welded yeeb nkab yuav tsum muaj ob -theem kev laus thaum tshav kub kub kho kom zoo siab - qhov kub thiab txias zog thiab rov ua kom tawv tawv ntawm cov cua sov- thaj chaw cuam tshuam (HAZ). Cov txheej txheem kev kho mob yog raws li hauv qab no: ua ntej, kev laus ntawm 720℃rau 8 teev, tom qab ntawd cub txias rau 620℃thiab tuav ntawm qhov kub ntawm 8 teev, thiab thaum kawg cua txias.
GH4169 sib npaug li cas?
ib 718
GH4169 (sib npaug rau American hom Inconel 718) yog nag lossis daus -nickel hardening-raws li superalloy dav siv nyob rau hauv kev lag luam aerospace vim nws cov khoom zoo heev (Lu li al., 2014).
1. GH4169 Pipe Technical Specifications thiab Scope of Supply
| Feature | Specification Paub meej | Industrial Advantage |
| Txuj | ASME SB 168/ ASTM B168 | International siab nkoj ua raws. |
| Lub npe | GH4169 /UNS N07718 | Direct ntiaj teb sib npaug rau Alloy 718. |
| Sab nraud txoj kab uas hla | 150mm rau1200 hli | Zoo tagnrho rau hnyav- lub luag haujlwm tso pa tawm & ducting. |
| Phab ntsa Thickness | 2.0mm txog 30.0mm | Siab -siab ntsuas kev txhawb nqa. |
| Nto tiav | Pickled, Polished, los yog BA | Npaj rau precision aerospace sib dhos. |
2. ASME SB168 GH4169 Pipe Chemical Composition (los ntawm qhov hnyav)
| Element | Cov ntsiab lus (%) | Txuj Kev Cai | Muaj nuj nqi |
|---|---|---|---|
| Nickel (Ni) | 50.0 – 55.0 | 50.0 – 55.0 | Matrix ntsiab; muab corrosion kuj thiab siab -kub stability |
| Chromium (Cr) | 17.0 – 21.0 | 17.0 – 21.0 | Oxidation thiab corrosion kuj |
| Hlau (Fe) | Sib npaug (~18-20) | Tshuav | Fe-Ni-Cr puag alloy |
| Niobium (Nb) | 4.75 – 5.50 | 4.75 – 5.50 | Primary ″ ntxiv dag zog- tseem ceeb rau lub zog tom qab kev kho cua sov |
| Molybdenum (hli) | 2.80 – 3.30 | 2.80 – 3.30 | Khoom- daws teeb meem; txhim khu pitting thiab creep kuj |
| Titanium (Ti) | 0.65 – 1.15 | 0.65 – 1.15 | Forms ′ zog theem (Ni₃(Al, Ti)) |
| Aluminium (Al) | 0.20 – 0.80 | 0.20 – 0.80 | Cov ntawv 'theem ntxiv dag zog |
| Cov pa roj carbon (C) | Tsawg dua lossis sib npaug li 0.08 | Tsawg dua lossis sib npaug li 0.08 | Tsawg carbon rau weldability |
| Manganese (Mn) | Tsawg dua los yog sib npaug li 0.35 | Tsawg dua los yog sib npaug li 0.35 | Deoxidizer |
| Silicon (Si) | Tsawg dua los yog sib npaug li 0.35 | Tsawg dua los yog sib npaug li 0.35 | Deoxidizer |
| Phosphorus (P) | Tsawg dua lossis sib npaug li 0.015 | Tsawg dua lossis sib npaug li 0.015 | Xyuas kom toughness |
| Sulfur (S) | Tsawg dua lossis sib npaug li 0.015 | Tsawg dua lossis sib npaug li 0.015 | Xyuas kom kub ua haujlwm |
| Boron (B) | 0.002 – 0.006 | 0.002 – 0.006 | Grain ciam teb reinforcer |
| Cobalt (zeeg) | Tsawg dua lossis sib npaug li 1.00 | Tsawg dua lossis sib npaug li 1.00 | Cov khoom seem |
| Copper (Cu) | Tsawg dua los yog sib npaug li 0.30 | Tsawg dua los yog sib npaug li 0.30 | Cov khoom seem |
Nyem rau rub tawm GH4169 alloy PDF ntaub ntawv tam sim no
3. Lub cev muaj zog ntawm GH4169 welded yeeb nkab (tom qab kev kho cua sov)
| Khoom | Tus nqi | |
|---|---|---|
| Qhov ntom | 8.19 g / cm³ | |
| Melting Range | 1260 - 1336 degree | |
| Thermal conductivity (20 degree) | 11.4 W/m·K | |
| Thermal conductivity (500 degree) | ~16.0 W/m·K | |
| Coefficient ntawm Thermal Expansion (20-100 degree) | 13.0 × 10⁻⁶ / degree | |
| Coefficient ntawm Thermal Expansion (20-600 degree) | ~ 14.5 × 10⁻⁶ / degree | |
| Thaum tshav kub kub (20 degree) | 435 J/kg · K | |
| Modulus ntawm Elasticity (20 degree) | ~ 200 GPa | |
| Poisson tus ratio | 0.29 – 0.30 | |
| Sib nqus Permeability | ~ 1.005 (me ntsis sib nqus) |
4. GH4169 yeeb nkab ob chav aging cua sov txheej txheem
| Txheej txheem theem | Qhov kub thiab txias | Duration | Lub Hom Phiaj Metallurgical |
| Kev daws Anneal | 940℃- 1010 degree | 1 - 2 Teev | Relieves weld stress & dissolves brittle theem. |
| Kev laus thaum pib | 718℃(1325℃F) | 8 teev | Tswj nag lossis daus ntawm ′′ ′′ (Gamma Ob chav Prime). |
| Kev laus theem nrab | 621℃(1150℃F) | 8 teev | Thaum kawg matrix stabilization rau lub siab tshaj tawm lub zog. |
Cov txheej txheem no ua kom ntseeg tau tias qhov nyuaj ntawm tag nrho cov yeeb nkab yog sib npaug 36-44 HRC, ua kom nws lub zog muaj zog thiab lub neej qaug zog.
5. GH4169 yeeb nkab kev ruaj ntseg
Raws li ib tugTier-1 Chaw tsim tshuaj paus, peb nkag siab tias "zoo txaus" tsis yog ib qho kev xaiv rau siab - kev pabcuam siab. Peb muab tag nrhoZero-LakageKev paub tseeb los ntawm kev sim NDT nruj:
100% Radiographic Testing (RT):Txhua nti ntawm lub vuam seam yog X-ray tshuaj xyuas kom paub tseeb tias xoom porosity, slag inclusions, los yog tsis muaj fusion.
Kev Ntsuas Hydrostatic:Txhua cov yeeb nkab raug kuaj mus txog200 Bar (2900 PSI)txhawm rau txheeb xyuas nws txoj kev nyab xeeb hauv kev ua haujlwm hnyav.
Dye Penetrant Inspection (FPI):Kev tshuaj ntsuam xyuas microscopic nto kev ntxhov siab tawg uas cov kev tshuaj ntsuam ib txwm tuaj yeem nco.
MTC 3.1 Traceability:Tag nrho EN 10204 ua raws li cov ntaub ntawv qhia tseeb txog tshuaj lom neeg kub thiab kho cua sov daim ntawv qhia.
Vim li cas thiaj xaiv Gnee Alloy?
✅ Tus nqi -kev daws teeb meem:Peb cov cua sov-kho cov kav dej welded muab qhov kev sib piv rau cov raj seamless ntawm tus nqi tseem ceeb txuag rau cov kab loj.
✅Direct Factory Nqe:Tshem tawm kev lag luam markups thiab yuav ncaj qha los ntawm tus thawj superalloy processor.
✅ Custom Fabrication:Peb muab precision txiav, beveling, thiab tshwj xeeb dabtsi yog khoov cov kev pab cuam kom phim koj los ua ke drawings.
✅ Kev xa khoom sai thoob ntiaj teb:Optimized logistics kom txo tau cov sij hawm txhuas rau kev saib xyuas thoob ntiaj teb thiab kev tsim khoom.
Gnee Steel GH4169 (inconel 718) Daim ntawv pov thawj
📦 Ntim thiab Shipping
Tag nrhoNickel Raws li Alloycov khoom tau ntim nrog cov txheej txheem hauv qab no:
Ntoo pallets los yog crates
Moisture -cov ntaub ntawv pov thawj
Daim ntawv lo nrog rau lub tshuab hluav taws xob, tus qauv, thiab cov ntawv loj
Shipped thoob ntiaj teb los ntawm hiav txwv, huab cua, los yog nthuav qhia
Gnee Steel GH4169 Khoom Ntim
Tiv tauj peb rau tus nqi xa tawm tshiab tshaj plaws rau GH4169 Alloy
FAQ
Q1: Puas yog ASME SB168 cov khoom tsim nyog rau lub tshuab hluav taws xob hauv lub tshuab hluav taws xob?
A: Yog lawm.Thaum tsim muaj siab -purityVIM+VARcov khoom siv hauv paus thiab 100% RT- kuaj welds, peb SB168 GH4169 cov kav dej ua tau raws li cov qauv kev nyab xeeb thiab ruaj khov uas yuav tsum tau muaj rau cov tswv cuab ntawm cov khoom siv nuclear.
Q2: Yuav ua li cas ob - txheej txheem kev laus tiv thaiv kab mob - hnub nyoog tawg?
A: Los ntawm kev tswj hwm cov nag lossis daus ntawm 'theem' thaum lub sijhawm 16- teev, peb tso cai rau cov hlau kom muaj kev ntxhov siab hauv kev tswj hwm, tiv thaiv qhov "embrittlement" uas ua rau tawg ntawm cov welds tsis zoo.
Q3: Koj puas tuaj yeem muab cov tsis yog - tus qauv kev cai phab ntsa thicknesses?
A: Yog lawm. Peb lub khw fabrication tuaj yeem dov thiab vuam GH4169 daim hlau rau hauv cov phab ntsa tshwj xeeb thiab tsis yog - tus qauv diameters kom tau raws li koj qhov kev ntsuas thermal engineering.
Q4: Koj puas muab kev txo nqi ntau rau petrochemical refinery overhals?
A: Yog. Raws li ib tugTxhim khu kev lag luamrau cov kev pab cuam lub zog loj, peb muab cov nqi sib tw txaus nyiam rau siab - ntim khoom thiab ntev - daim ntawv cog lus MRO.
