A rilru a buai em em a, 0 a rilru a hah em em bawk a, a rilru a buai em em bawk a. Hmun
Stainless steel forging process-ah chuan 'annealing' hi thil pawimawh tak a ni. Annealing hi annealing furnace hman nan a tul ngei ang, bright annealing furnace hi a bik takin stainless steel heat treatment siam zawh tawh atan hman a ni. Performance a inang lo a, bright annealing furnaces mamawh pawh a danglam a, heat treatment industry pawh a inang lo. 300 series austenitic stainless steel pipe hmanga heat treatment kalpui dan tlangpui chu solid solution hmanga enkawlna a ni. He heat treatment process-a thil pawimawh ber chu rapid cooling a ni a, 1050 atanga 1150 ° C, hun rei lote chhung atan heat preservation ha tak a ni a, chutiang chuan carbide chu austenite-ah a inthiar vek a, chutah chuan rang takin a lum a, 35 ° C. 400 Series ferritic stainless temperature slow cooling hmanga siam a ni a, chu chu slow cooling hmanga siam a ni. Stage quenching hmanga enkawl a ni tlangpui a, chutah chuan tempering hmangin an enkawl thin.
Annealing hmanrua thiam tak chuan a hnuaia mi ang hian a nihna panga a neih a ngai a ni:
1. Furnace taksa sealing performance a tha a, sealing performance tha lo tak hian furnace taksaah gas a hloh ang a, a chanvo pawh a nei thei lo ang.
2. Furnace taksa chhunga tui hnim chu a lumna tui hnim chu a vawt chhuak ang a, tui hnim hring chu stainless steel tube chung lamah a inbun ang a, a oxidized ang.
3. Furnace taksaa gas pressure, furnace taksaa pawn lam gas luh loh nan, furnace chhunga pressure chu pawn lam pressure aiin a sang zawk tur a ni.
4. Annealing temperature control, steel pipe material annealing temperature tha ber thleng tur leh thlen loh tur.
5. Annealing process-a gas mamawh, stainless steel pipe-a annealing gas hi hydrogen thianghlim thlan hmasak ber a ni a, a chhan chu gas thianghlimna hi a tha ber a, chu chu 100% vel a ni a, oxygen leh tui gas tam lutuk a awm thei lo. A chhan chu gas hi stainless steel pipe quality a nghawng chhan ber a nih vang a ni.
Bright annealing process-ah chuan corrosion condition tlanglawn tak pahnih a awm ang a, intergranular corrosion leh stress corrosion a awm ang. Eng thilin nge heng dinhmun pahnih hi a thlen?
Intergranular corrosion, simply put, chu welded pipe welding process-a intergranular corrosion phenomenon a ni a, hei hi temperature sang tak avanga weld leh material chhunga elements inkara chemical reaction awm vang a ni a, steel-a carbon element leh chromium element te chuan chromium compound (CR23C6) an siam a, chu chuan grain boundary chromium chu chromium a ti chhe hle a, a tawpah chuan interallary corrosion a thlen a ni.
Stress corrosion hi forming stage-a welding process laiin steel strip chu pawn lam pressure-in a tihchhiat chuan reaction force lo chhuak atanga lo chhuak a ni a, welding hnuah welded pipe chhungah a awm reng ang. A hun taka tihbo a nih loh chuan welded pipe khauh tak chu a bik takin a sang hle ang a, a hnuaia processing tih pawh a harsa hle ang.
Heng quality lama harsatna awm thei pahnih te hi ngaihtuah hian engtin nge kan hmanrua hian solution kimchang tak a thlen theih ang?
Hangao Technology Company-a annealing machine êng tak takte thil langsar tak takte chu:
1. Grain tha tak, steel structure leh composition inang tlang tak.
2. Steel chhunga stress awm chu tihbo la, deformation leh cracking awm loh nan.
3. Steel khauhzia tihtlem la, plasticity siam that leh la, chu chu a hnu lama processing awlsam zawk nan.