2020 theko e rekisoang Alloy Seamless Steel Pipe / Alloy Steel / Seamless Steel Tube
tsoela pele ho ntlafatsa, ho netefatsa hore sehlahisoa kapa tšebeletso ea boleng bo holimo ho latela litlhoko tsa mantlha tsa mmaraka le tsa bareki. Feme ea rona e na le lenaneo la netefatso la boleng bo holimo le thehiloe bakeng sa theko e felletseng ea 2020Alloy Seamless Steel Pipe/ Alloy Steel / Seamless Steel Tube, Re amohela bohle le bareki le metsoalle ho re letsetsa bakeng sa lintlha tse ntle. Ke tšepa ho etsa khampani e eketsehileng hammoho le uena.
tsoela pele ho ntlafatsa, ho etsa bonnete ba hore sehlahisoa kapa tšebeletso ea boleng bo holimo ho latela litlhoko tsa mantlha tsa mmaraka le tsa bareki. Feme ea rona e na le lenaneo la netefatso ea boleng bo holimo li thehiloe bakeng saAlloy Seamless Steel Pipe, phala ea tšepe e se nang moroalo, seamless tšepe tube, Ke hobane’ng ha re ka etsa lintho tsee? Hobane: A, Re 'nile ra tšepahala re bile re tšepahala. Thepa ea rona e na le boleng bo holimo, theko e khahlang, matla a phepelo a lekaneng le tšebeletso e phethahetseng. B, Sebaka sa rona sa libaka se na le molemo o moholo . C, Mefuta e fapaneng: Amohela potso ea hau, E kanna ea ananeloa haholo.
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 alloy
1,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
Lintlha tsa Sehlahisoa
Tube ea boiler
GB/T5310-2017
ASME SA-106/SA-106M-2015
ASTMA210(A210M)-2012
ASME SA-213/SA-213M
