Phaliso e Ncha bakeng sa Li-tubes tsa Boiler tsa Seamless Steel tsa China bakeng sa Tšebeletso ea Khatello e Phahameng
Litharollo tsa rona li atisa ho nkoa le ho tšeptjoa ke basebelisi 'me li ka phethahatsa litlhoko tsa lichelete le tsa sechaba bakeng sa New Delivery bakeng sa.China Seamless Steel Boiler Tubesbakeng sa Tšebeletso ea Khatello e Phahameng, Re ba bang ba bahlahisi ba kholo ka ho fetisisa ba 100% Chaena. Lik'hamphani tse ngata tse kholo tsa khoebo li kenya lihlahisoa ho rona, kahoo re ka u fa theko e ntle ka ho fetisisa ka boleng bo tšoanang haeba u thahasella rona.
Litharollo tsa rona li atisa ho nkoa le ho tšeptjoa ke basebelisi 'me li ka phethahatsa litlhoko tsa lichelete le tsa sechaba tse tsoelang peleChina Seamless Steel Boiler Tubes, phala ea tšepe e se nang moroalo, Lihlahisoa li na le botumo bo botle ka theko ea tlhōlisano, pōpo e ikhethang, e etellang pele mekhoa ea indasteri. Khampani e tsitlallela molao-motheo oa khopolo ea win-win, e thehile marang-rang a thekiso ea lefats'e le marang-rang a tšebeletso ea morao-rao.
Kakaretso
Kopo
E sebelisoa haholo ho etsa phala ea boleng bo holimo ea tšepe ea alloy, phala e fapanyetsanoang mocheso, phala e matla ea mouoane bakeng sa indasteri ea peterole le ea lik'hemik'hale.
Kereiti e ka Sehloohong
Mophato oa phala ea boleng bo holimo ea alloy1,P2,P5,P9,P11,P22,P91,P92 joalo-joalo
Karolo ea Lik'hemik'hale
Kereiti | UN | C≤ | Mn | P≤ | S≤ | Si≤ | Cr | Mo |
Sequiv. | ||||||||
P1 | K11522 | 0.10~0.20 | 0.30~0,80 | 0.025 | 0.025 | 0.10~0,50 | - | 0.44 ~ 0,65 |
P2 | K11547 | 0.10~0.20 | 0.30~0,61 | 0.025 | 0.025 | 0.10~0.30 | 0.50~0,81 | 0.44 ~ 0,65 |
P5 | K41545 | 0.15 | 0.30~0,60 | 0.025 | 0.025 | 0.5 | 4.00~6.00 | 0.44 ~ 0,65 |
P5b | K51545 | 0.15 | 0.30~0,60 | 0.025 | 0.025 | 1.00~2.00 | 4.00~6.00 | 0.44 ~ 0,65 |
P5c | K41245 | 0.12 | 0.30~0,60 | 0.025 | 0.025 | 0.5 | 4.00~6.00 | 0.44 ~ 0,65 |
P9 | S50400 | 0.15 | 0.30~0,60 | 0.025 | 0.025 | 0.50 ~ 1.00 | 8.00~10.00 | 0.44 ~ 0,65 |
P11 | K11597 | 0.05~0.15 | 0.30~0,61 | 0.025 | 0.025 | 0.50 ~ 1.00 | 1.00 ~ 1.50 | 0.44 ~ 0,65 |
P12 | K11562 | 0.05~0.15 | 0.30~0,60 | 0.025 | 0.025 | 0.5 | 0.80~1.25 | 0.44 ~ 0,65 |
P15 | K11578 | 0.05~0.15 | 0.30~0,60 | 0.025 | 0.025 | 1.15 ~ 1.65 | - | 0.44 ~ 0,65 |
P21 | K31545 | 0.05~0.15 | 0.30~0,60 | 0.025 | 0.025 | 0.5 | 2.65~3.35 | 0.80 ~ 1,60 |
P22 | K21590 | 0.05~0.15 | 0.30~0,60 | 0.025 | 0.025 | 0.5 | 1.90~2,60 | 0.87~1.13 |
P91 | K91560 | 0.08~0.12 | 0.30~0,60 | 0.02 | 0.01 | 0.20~0,50 | 8.00~9.50 | 0.85~1.05 |
P92 | K92460 | 0.07~0.13 | 0.30~0,60 | 0.02 | 0.01 | 0.5 | 8.50~9.50 | 0.30~0,60 |
Lebitso le lecha le thehiloeng ho latela Practice E 527 le SAE J1086, Practice for Numbering Metals and Alloys (UNS). B Grade P 5c e tla ba le titanium content e seng ka tlase ho makhetlo a 4 ho feta khabone le ho feta 0.70%; kapa dikahare tsa columbium tsa 8 ho isa ho 10 makhetlo a khabone.
Thepa ea Mechini
Thepa ea mechine | P1,P2 | P12 | P23 | P91 | P92,P11 | P122 |
Matla a tšepe | 380 | 415 | 510 | 585 | 620 | 620 |
Ho hlahisa matla | 205 | 220 | 400 | 415 | 440 | 400 |
Kalafo ea Mocheso
Kereiti | Mofuta oa Phekolo ea Mocheso | Boemo bo Tloaelehileng ba Thempereichara F [C] | Subcritical Annealing kapa Tempering |
P5, P9, P11, le P22 | Boemo ba Mocheso F [C] | ||
A335 P5 (b,c) | Anneal e felletseng kapa ea Isothermal | ||
Tloaeleha le ho halefa | ***** | 1250 [675] | |
Subcritical Anneal (P5c feela) | ***** | 1325 - 1375 [715 - 745] | |
A335 P9 | Anneal e felletseng kapa ea Isothermal | ||
Tloaeleha le ho halefa | ***** | 1250 [675] | |
A335 P11 | Anneal e felletseng kapa ea Isothermal | ||
Tloaeleha le ho halefa | ***** | 1200 [650] | |
A335 P22 | Anneal e felletseng kapa ea Isothermal | ||
Tloaeleha le ho halefa | ***** | 1250 [675] | |
A335 P91 | Tloaeleha le ho halefa | 1900-1975 [1040 - 1080] | 1350-1470 [730 - 800] |
Tlosa le ho halefa | 1900-1975 [1040 - 1080] | 1350-1470 [730 - 800] |
Tlhokahalo ea Teko
Ntle le ho netefatsa sebopeho sa lik'hemik'hale le thepa ea mochini, liteko tsa hydrostatic li etsoa ka bonngoe, Tlhahlobo e sa Senyeheng, Tlhahlobo ea Sehlahisoa, Sebopeho sa Metal le Liteko tsa Etching, Teko ea ho batalla joalo-joalo.
Matla a Phepelo
Matla a Phepelo: Lithane tse 2000 ka Khoeli Ka Kreiti ka 'ngoe ea ASTM A335 Alloy Steel Pipe
Sephutheloana
Ka Mengata Le ka Lebokoseng le Matla la Lehong
Phano
Matsatsi a 7-14 haeba a le setokong, matsatsi a 30-45 ho hlahisa
Tefo
30% depsoit, 70% L/C kapa B/L kopi kapa 100% L/C ha u bona