ASTM A335 P92 (ASME SA335 P92) ke phaephe ya tshepe e se nang motswako ya ferritic e reretsweng tshebeletso ya mocheso o phahameng.Tlhophiso ea UNS ke K92460.
P92 ke tšepe ea alloy e nang le chromium e phahameng e hanelang mocheso e nang le chromium ea 8.50–9.50% 'me e kopantsoe le Mo, W, V, le Nb, e fanang ka matla a matle a ho kheloha mochesong o phahameng, ho hanyetsa oxidation le ho hanyetsa mokhathala oa mocheso.
E sebelisoa haholo meleng e meholo ea mouoane, meleng ea mouoane e futhumatsang hape, liphaepheng tsa superheater le reheater tsa liboiler tsa motlakase tse bohlokoa haholo le tse bohlokoa haholo, hammoho le liphaepheng tsa ts'ebetso ea khatello e phahameng le likarolo tsa bohlokoa tse bolokang khatello litsing tsa petrochemical le tsa ho hloekisa.
Botop Steel ke morekisi oa liphaephe tsa tšepe ea alloy ea setsebi le ea tšepahalang Chaena, ea khonang ho fana ka merero ea hau ka lipeipi tse fapaneng tsa tšepe ea alloy kapele, ho kenyeletsoaP5 (K41545), P9 (K90941), P11 (K11597), P12 (K11562), P22 (K21590)leP91 (K90901).
Lihlahisoa tsa rona li boleng bo tšepahalang, li theko e tlase, 'me li tšehetsa tlhahlobo ea motho oa boraro.
| Sebopeho sa Lik'hemik'hale, % | |||
| C | 0.07 ~ 0.13 | N | 0.03 ~ 0.07 |
| Mn | 0.30 ~ 0.60 | Ni | 0.40 max |
| P | 0.020 max | Al | 0.02 max |
| S | 0.010 max | Nb | 0.04 ~ 0.09 |
| Si | 0.50 max | W | 1.5 ~ 2.0 |
| Cr | 8.50 ~ 9.50 | B | 0.001 ~ 0.006 |
| Mo | 0.30 ~ 0.60 | Ti | 0.01 e phahameng ka ho fetisisa |
| V | 0.15 ~ 0.25 | Zr | 0.01 e phahameng ka ho fetisisa |
Mantsoe a reng Nb (Niobium) le Cb (Columbium) ke mabitso a mang bakeng sa element e tšoanang.
Matlo a ho Tenyetseha
| Sehlopha | Matlo a ho Tenyetseha | ||
| Matla a tšepe | Matla a Tekanyo | Ho lelefatsa | |
| ASTM A335 P92 | 90 ksi [620 MPa] motsotso | 64 ksi [440 MPa] motsotso | 20% mets (Longitudinal) |
ASTM A335 e totobatsa boleng bo tlase ba ho lelefatsa bo baliloeng bakeng sa P92 bakeng sa phokotso e 'ngoe le e 'ngoe ea botenya ba lebota ea 1/32 in. [0.8 mm].
| Botenya ba lebota | Ho lelefatsa P92 ka lisenthimithara tse 2 kapa 50 mm | |
| in | mm | Longitudinal |
| 0.312 | 8 | 20% metsotso |
| 0.281 | 7.2 | 19% mets |
| 0.250 | 6.4 | 18% metsotso |
| 0.219 | 5.6 | 17% metsotso |
| 0.188 | 4.8 | 16% metsotso |
| 0.156 | 4 | 15% mets |
| 0.125 | 3.2 | 14% mets |
| 0.094 | 2.4 | 13% metsotso |
| 0.062 | 1.6 | 12% metsotso |
Moo botenya ba lebota bo leng pakeng tsa boleng bo peli bo kaholimo, boleng bo tlase ba ho lelefatsa bo khethoa ke foromo e latelang:
E = 32t + 10.00 [E = 1.25t + 10.00]
Moo:
E = ho lelefala ka lisenthimithara tse 2 kapa 50 mm, %, le
t = botenya ba sebele ba mehlala, ka hare ho. [mm].
Litlhoko tsa ho thatafala
| Sehlopha | Matlo a ho Tenyetseha | ||
| Brinell | Vickers | Rockwell | |
| ASTM A335 P92 | 250 HBW max | Matla a phahameng a 265 HV | 25 HRC e phahameng |
Bakeng sa liphaephe tse nang le botenya ba lebota ba 0.200 in. [5.1 mm] kapa ho feta, teko ea ho thatafala ha Brinell kapa Rockwell e lokela ho sebelisoa.
Teko ea ho thatafala ha Vickers e lokela ho etsoa ho latela Mokhoa oa Teko E92.
Teko ea ho Batalatsa
Liteko li tla etsoa holim'a lisampole tse nkiloeng pheletsong e 'ngoe ea phaephe ho latela litlhoko tsa Karolo ea 20 ea ASTM A999.
Teko ea Kobeha
Bakeng sa phaephe eo bophara ba yona bo fetang NPS 25 mme karolelano ya yona ya bophara le botenya ba lebota e le 7.0 kapa ka tlase e tla etswa teko ya ho kobeha ho ena le teko ya ho batalatsa.
Disampole tsa teko ya ho kobeha di lokela ho kobeha mochesong wa kamore ho fihlela ho 180° ntle le ho petsoha ka ntle ho karolo e kobehileng.
Moetsi le Boemo
Liphaephe tsa tšepe tsa ASTM A335 P92 li lokela ho etsoa kets'ebetso e se nang sekoli'me e lokela ho tjheswa kapa ho hulwa ka serame, jwalo ka ha ho boletswe.
Phaephe e se nang moedi ke phaephe e se nang di-weld. Dibakeng tse nang le mocheso o phahameng le kgatello e phahameng, diphaephe tse se nang moedi di ka mamella kgatello le dithempereichara tse phahameng tsa kahare, tsa fana ka botsitso bo betere ba sebopeho le thepa ya mechini, mme tsa qoba diphoso tse ka bang teng di-weld seams.
Kalafo ea Mocheso
Phaephe ea P92 e lokela ho futhumatsoa hape bakeng sa kalafo ea mocheso le ho phekoloa ho latela litlhoko.
| Sehlopha | ASTM A335 P92 |
| Mofuta oa Phekolo ea Mocheso | tloaeleha le ho halefa |
| Ho Ntlafatsa Mocheso | 1900 ~ 1975 ℉ [1040 ~ 1080 ℃] |
| Mocheso o Tekanyetsang | 1350 ~ 1470 ℉ [730 ~ 800 ℃] |
Tse ling tsa litšepe tsa ferritic tse koahetsoeng ke tlhaloso ena li tla thatafala haeba li pholile ka potlako ho tloha mochesong oa tsona o boima. Tse ling li tla thatafala moeeng, ke hore, li tla thatafala ho isa tekanyong e sa rateheng ha li pholile moeeng ho tsoa mochesong o phahameng.
Ka hona, mesebetsi e kenyeletsang ho futhumatsa litšepe tse joalo ka holim'a mocheso oa tsona o boima, joalo ka ho tjheseletsa, ho flanging le ho kobeha ka mocheso, e lokela ho lateloa ke kalafo e loketseng ea mocheso.
| ASME | ASTM | EN | GB |
| ASME SA335 P92 | ASTM A213 T92 | EN 10216-2 X10CrWMoVNb9-2 | GB/T 5310 10Cr9MoW2VNbBN |
Boitsebiso:liphaephe le lisebelisoa tsa tšepe tse se nang mohele tsa ASTM A335 P92;
Boholo:1/8" ho isa ho 24", kapa e etselitsoe ho latela litlhoko tsa hau;
Bolelele:Bolelele bo sa reroang kapa sehiloeng ho latela odara;
Sephutheloana:Sekoahelo se setšo, lipheletso tse betliloeng, litšireletso tsa pheletso ea liphaephe, mabokose a lehong, jj.
Tšehetso:Setifikeiti sa IBR, tlhahlobo ea TPI, MTC, ho seha, ho sebetsana le eona le ho e etsa ka tsela e ikhethileng;
MOQ:1 m;
Melao ea Tefo:T/T kapa L/C;
Theko:Ikopanye le rona bakeng sa litheko tsa morao-rao tsa peipi ea tšepe ea P92.
