Dab tsi yog 16Mo3 muab tub lim khoom?
16 hmo 3yog aTS EN 10028 Kev ntsuas siab ntawm cov hlab ntsha qib chrome molybdenum hlau alloyrau siv nyob rau hauv siab ua hauj lwm kub. Cov khoom siv yog siv los ua cov hlau weldable nyob rau hauv fabrication ntawm industrial boilers thiab steel pressurized hlab ntsha nyob rau hauv cov roj, roj thiab tshuaj lom neeg kev lag luam.
16Mo3 yog ib qho qis- alloy chromium-molybdenum steel (EN 10028-2, Werkstoff 1.5415) rau kev ua haujlwm kub kub. Nws yog feem ntau siv hauv cov hlab ntsha siab, cov khoom siv hluav taws xob, cov boilers, thiab cov kav dej. Nws tuav lub zog txhua yam thiab nkag siab txog 500-600 degree. Cov phaj, ntawv, thiab fittings muaj, thiab nws muaj weldability zoo, ua rau nws zoo tagnrho rau tshuaj, zog, thiab petrochemical industries.
Cov yam ntxwv tseem ceeb
Kev sib xyaw:Chromium 0.3-0.5%, molybdenum 0.2-0.3%, manganese rau weldability.
High -Tub kub Reliability:Creep zog thiab tensile zog ruaj khov ntawm 500-600 degree.
Weldability & Tsim:Tsawg- carbon tsim tso cai rau kev nyab xeeb vuam.
Oxidation Resistance:Txo scaling nyob rau hauv siab -kub chav thiab flue gas.
Decoding lub npe
"16" ≈ 0.16% carbon
"Mo"=molybdenum rau siab -kub creep thiab oxidation kuj
"3"=EN series identifier
Qhia qis- alloy steel rau boilers thiab siab hlab ntsha.
Kev sib piv
16Mo3 muaj chromium thiab molybdenum → superior siab - kub lub zog.
St35.8 (dawb carbon steel) txwv rau ~ 300-350℃.
16Mo3 haum rau kev lag luam boilers, superheaters, thiab tshav kub exchangers.
Ob leeg yog weldable, tab sis 16Mo3 yuav tsum tau preheating thiab PWHT ntawm thicker seem.
Cov ntawv thov siv
Muaj boilers thiab superheaters
Thaum tshav kub kub exchangers nyob rau hauv chemical / roj industries
High -kub pipelines
Lub zog hluav taws xob tso tawm thiab cov kav dej kub
Vim li cas 16Mo3 nyiam rau cov hlab ntsha siab?
16Mo3 muaj zog tensile thiab tawm los, zoo heev creep kuj, thiab oxidation stability ntawm siab kub, ua rau nws txhim khu kev qha rau siab hlab ntsha thiab boilers. Nws cov chromium-molybdenum alloy muaj pes tsawg leeg ua kom ntev - lub sij hawm txhua yam kev ruaj ntseg, kev nyab xeeb nyob rau hauv lub siab, thiab tsis kam mus rau thermal qaug zog, thaum seem weldable thiab formable rau industrial fabrication.
16Mo3 puas tuaj yeem welded?
16Mo3 muaj qhov zoo weldability siv TIG, MIG, lossis submerged arc txheej txheem. Preheating (150–250 degree) thiab tom qab-weld kho cua sov yog pom zoo rau cov ntu tuab kom tsis txhob muaj hydrogen-induced cracking, txo cov seem seem, thiab tswj siab -kub txhua yam khoom nyob rau hauv boilers, pipelines, thiab siab hlab ntsha.
Puas yog 16Mo3 haum rau siab - kev pabcuam siab?
Yog lawm, 16Mo3 tuaj yeem ua rau muaj kev nyab xeeb hauv kev kub ntxhov hauv siab - kub boilers, kub exchangers, thiab kav dej. Nws ua ke ntawm tensile zog, tawm los lub zog, thiab creep kuj ua kom ntseeg tau kev ua tau zoo. Cov txheej txheem tsim thiab vuam kom zoo txhim kho cov txheej txheem kev ncaj ncees rau kev ua haujlwm siab -siab thiab siab- kub ua haujlwm.
Cov tshuaj muaj pes tsawg leeg ntawm cov hlau 16Mo3 (1.5415): EN 10028-2-2003
| C | Si | Mn | Ni | P | S | Cr | Mo | N | Cu |
| 0.12 - 0.2 | max 0.35 Nws | 0.4 - 0.9 | max 0.3 hli | max 0.025 | max 0.01 Nws | max 0.3 hli | 0.25 - 0.35 | max 0.012 | max 0.3 hli |
Cov tshuaj muaj pes tsawg leeg ntawm cov hlau 16Mo3 (1.5415): EN 10028-2-2003
| C | Si | Mn | Ni | P | S | Cr | Mo | N | Cu |
| 0.12 - 0.2 | max 0.35 Nws | 0.4 - 0.9 | max 0.3 hli | max 0.025 | max 0.01 Nws | max 0.3 hli | 0.25 - 0.35 | max 0.012 | max 0.3 hli |
Mechanical zog ntawm steel 16Mo3 (1.5415)
| Nominal thickness (hli): | rau 60 | 60 - 100 | 100 - 150 | 150 - 250 |
| Rm- Tensile zog (MPa) (+N) | 440-590 | 430-580 | 420-570 | 410-570 |
| Nominal thickness (hli): | rau 16 | 16 - 40 | 40 - 60 | 60 - 100 | 100 - 150 | 150 - 250 |
| ReH- Yam tsawg kawg nkaus yield zog (MPa) (+N) | 275 | 270 | 260 | 240 | 220 | 210 |
| KV- Impact zog (J) transverse, (+N) | +20 degree 27 |
| KV- Impact zog (J) longitud., (+QT) | +20 degree 50 |
| KV- Impact zog (J) transverse, (+QT) | +20 degree 34 |
| KV- Impact zog (J) longitud., | +20 degree 4 |
| A- Min. elongation ntawm pob txha (%) longitud., (+ QT) | 23 |
| A- Min. elongation ntawm pob txha (%) transverse, (+ N) | 20 |
1. 16Mo3 puas tuaj yeem tiv taus creep ntawm qhov kub thiab txias?
Yog lawm, 16Mo3 khaws lub zog nyob rau hauv ntev -lub sij hawm kev ntxhov siab ntawm qhov kub siab vim yog molybdenum thiab chromium cov ntsiab lus. Nws tiv thaiv cov kev hloov pauv hauv microstructural, tswj qhov kev ruaj ntseg ntawm cov boilers, superheaters, pipelines, thiab cov hlab ntsha siab ua haujlwm txog li 500-600 degree, uas tiv thaiv kev laus ntxov deformation lossis tsis ua haujlwm thaum lub sijhawm ua haujlwm ntev.
2. Puas yog post-weld kev kho cua sov tsim nyog rau 16Mo3?
PWHT raug pom zoo rau cov ntu tuab lossis qhov tseem ceeb txhawm rau txo qis kev ntxhov siab thiab tswj kev nkag siab. Hom tempering li ntawm 600-650 degree. Rau cov phaj nyias lossis tsis yog - cov khoom tseem ceeb, PWHT tuaj yeem xaiv tau. Kev kho kom raug ua kom muaj kev ntseeg tau ntev - lub sij hawm ntev thiab tiv thaiv kev tawg hauv siab - cov cuab yeej kub siab.
3. Lub zog tensile ntawm 16Mo3 yog dab tsi?
Tensile lub zog feem ntau yog li ntawm 440-590 MPa nyob ntawm qhov tuab thiab kev tsim khoom. Ua ke nrog yield zog ntawm 220–275 MPa thiab elongation ntawm 19–24%, 16Mo3 ua kom muaj kev ruaj ntseg thiab ruaj khov nyob rau hauv superheater raj, pipelines, thiab siab -kub siab cov hlab ntsha nyob rau hauv ntev - lub sij hawm thermal stress.
4. 16Mo3 ua haujlwm li cas ntawm qhov kub thiab txias?
16Mo3 tuav lub zog txhua yam, nkag siab, thiab microstructural stability mus txog 500-600 degree. Nws tiv taus oxidation, scaling, thiab thermal degradation, ua rau nws zoo tagnrho rau boilers, superheater raj, pipelines, thiab siab hlab ntsha. Nws cov ntsiab lus alloying kom ntseeg tau tias kev ua haujlwm ruaj khov nyob rau hauv lub sijhawm ntev thermal thiab mechanical stress.
5. 16Mo3 puas tuaj yeem siv rau hauv qhov chaw ib puag ncig?
Yog lawm, 16Mo3 ua tau zoo nyob rau hauv siab - qhov kub thiab txias vim nws cov ntsiab lus chromium thiab molybdenum. Nws tiv taus oxidation, scaling, thiab microstructural degradation, ua rau nws haum rau boilers, superheaters, tshav kub exchangers, thiab pipelines raug mus tas li siab heev -kub chav tej yam kev mob.
6. Kev kho cua sov dab tsi 16Mo3 xav tau?
16Mo3 feem ntau yog muab rau hauv qhov qub lossis kev ntxhov siab-txoj kev kho. Normalizing (~ 890-950 degree) refines cov qauv nplej thiab txhim kho cov khoom siv kho tshuab. Post-weld tempering (600–650 degree) yog pom zoo rau cov khoom siv welded. Kev kho cua sov ua kom muaj kev tiv thaiv kev nkag siab, kev ruaj ntseg, thiab kev cia siab ntev ntev hauv boilers, pipelines, thiab siab -kub siab cov hlab ntsha.
Yog xav paub ntxiv txog GNEE cov khoom steel, tiv tauj peb ntawm info@gneesteels.com. Peb tos ntsoov yuav ua haujlwm nrog koj.
