Whatsapp:+8613252436578 E-mail:sale@welding-honest.com
1. Fa'avasegaga ma uiga fa'aletino
Faiga fa'alapotopotoga | masani | Fa'apitoa | masani |
Ituaiga tino feritic | 1. maualuga resistivity | 1 Lelei faʻamalosi faʻamaʻi tetee | 0Cr13(405) |
1Cr17(430) | |||
Ituaiga Martensitic | 1. O le fa'ama'a'a e tele, ma fa'ateleina le kaponi i totonu. | 1Cr13(410) | |
ituaiga Austenitic | 1O le coefficient o le faalauteleina laina e tele | 0Cr18Ni9(304) | |
0Cr19Ni11(308) | |||
0Cr23Ni13(309) | |||
0Cr25Ni20(310) | |||
0Cr17Ni12Mo(316) | |||
0Cr17Ni12Mo2Nb/Ti(318) | |||
0Cr19Ni13Mo3(317) | |||
1Cr18Ni9Ti(321) | |||
0Cr18Ni11Nb(347) | |||
0Cr20Ni25Mo5Cu2(385) | |||
O-iron duplex | 1. Intergranular tete'e corrosion 2 fa'amamafa tete'e 3 pitting tete'e | 00Cr22Ni5Mo3N(2205) | |
Ituaiga maaa timuga | 1. Malosi maualuga 2 palasitika leaga | 0Cr17Ni4Cu4Mo2(630) |
Ituaiga tino feritic
Ituaiga Martensitic
ituaiga Austenitic
Fa'amalo o timuga
Lua: fa'agasologa uelo
O le filifiliga o mea faʻapipiʻi uamea e tatau ona mulimulitaʻi i le mataupu faavae o le "homogeneity".
1. Ferritic uʻamea uʻamea Afai e vevela le faiga uʻamea i le 430-480 °C mo se taimi umi ma cooled lemu, e matua faigofie lava e maua ai le 475 °C brittleness, ma le le mama o le a faia se vaega catalytic.O le fa'agasologa o le uelo e fautuaina ai le maualalo o le taimi nei, fa'atosina vave, leai se oscillation, ma le maualalo o le interlayer le vevela i le taimi o le multilayer welding.Ina ia ueloina mea faigaluega mafiafia, e tatau ona samala le su'iga e fa'aitiitia ai le mamafa o le fa'aitiitia.
2. Martensitic uamea u'amea vevela sone embrittlement ma uelo mālūlū ta'eta'e e mana'omia e aloese ai i le tele e mafai pe a uelo, e masani ona ave le preheating talafeagai i luma o le uelo (150-300 °C) ma post-uelo togafitiga vevela (700-750 °. C) fua, le faʻaogaina o le malosi laina tele, pe a manaʻomia, e mafai ona e filifilia mea faʻapipiʻi austenitic.
3. Austenitic uʻamea uʻamea O aʻafiaga o aʻafiaga o vevela vevela ma intergranular corrosion o manatu muamua ia mo le faʻapipiʻiina o ia uʻamea uʻamea, i le vaʻaia o ona uiga faʻaletino, e tatau ona ave se laʻititi laina eletise mo le uʻamea, faʻafefe vave, ma maualalo le vevela interlayer. e tatau ona pulea pe a uelo multilayer.Taumafai e fa'amauina le aofa'i sa'o o le ferrite pe a ueloina e puipuia ai le tupu mai o ta'eta'e vevela.I totonu ole alamanuia petrochemical e pei ole hydrogenation reactors ma isi oloa faʻapitoa, o le numera o ferrites (FN) o le weld ua faʻamaonia manino, e masani ona manaʻomia 3-10.
4. Austria-u'amea u'amea u'amea u'amea u'amea e maualalo le ta'e fa'atusatusa i austenitic sila;Pe a faatusatusa i uʻamea ferritic, embrittlement post-weld e maualalo, o lea e sili ona lelei weldability, e le preheating po o post-faavevela, ma e leai se ta'e uelo e gaosia.Ae ui i lea, pe a faʻamafanafanaina i le maualuga o le vevela, o loʻo i ai se uiga o le saito e tupu, ma e tatau ona ave le malosi laina laiti pe a faʻapipiʻi.
5. Fa'amalo-maaa u'amea u'amea Ona o le maaa maualuga, le lelei toughness ma palasitika o lenei ituaiga o u'amea, ma le mamafa uelo totoe mamafa, e faigofie ona maua ta'e.O se faiga uelo tutusa ma martensitic uʻamea uʻamea e fautuaina, ae o le vevela preheating e tatau ona faateleina.
Fa'aaliga:O le AWSA5.9 Standard for Stainless Steel Optical and Filler Wires ma le YB/T5092 Standard for Stainless Steel for Welding o loʻo faʻamaonia ai o le suʻesuʻeina o vailaʻau o faʻataʻitaʻiga faʻafefeteina o uaea tuʻufaʻatasia poʻo uaea faʻatumu na o le pau lea o le suʻega e manaʻomia mo le faʻavasegaina o nei oloa. fomu.O lona uiga, mea faʻainisinia ma isi suʻega, e tusa ai ma manaʻoga o tagata faʻatau.
u'amea lima u'amea eletise GES faasologa, o le mataitusi mulimuli B i le igoa oloa o loʻo faʻaalia ai le peleue lanumoana, R o loʻo faʻaalia ai le peleue mumu, e pei o le GES-308R o loʻo faʻatusalia le ofu mumu GES-308, GES-312B o loʻo faʻatusalia le paʻu piliki lanumoana GES-312 .
Taimi meli: Oke-13-2022