ASTM A335 Alloy Alloy Pipe e se nang seamless Pipe e tlase ea tšepe e se nang seamless alloy
Tlhaloso e Khutšoanyane:
ASTM A335 hangata e bitsoa chrome moly pipe ka lebaka la lik'hemik'hale tse nang le Molybdenum (Mo) le Chromium (Cr).Molybdenum e eketsa matla a tšepe 'me Chromium (kapa chrome) ke karolo ea bohlokoa ea tšepe e sa hloekang.Pipe ea tšepe ea chrome moly alloy e etsa hore e be e loketseng ho sebelisoa lifemeng tsa motlakase, lihloekisi, lifeme tsa lik'hemik'hale tsa peterole, le lits'ebeletso tsa masimo a oli moo maro le likhase li tsamaisoang ka mocheso o phahameng haholo le likhatello.
Etsa mosebetsi o felletseng oa ho khotsofatsa litlhoko tsohle tsa bareki ba rona;fumana lintlafatso tse tsoelang pele ka ho khothaletsa nts'etsopele ea bareki ba rona;Hola ho ba molekane oa ho qetela oa tšebelisano-'moho ea bareki le ho holisa lithahasello tsa bareki bakeng sa ASTM A335 Alloy Seamless Pipe Low Alloy Seamless Alloy Steel Tube, Re lebelletse ho amohela lipotso tsa hau kapele mme re ts'epa ho ba le monyetla oa ho etsa mosebetsi hammoho. le wena ka hare ho bokamoso.Rea u amohela ho fumana ponahalo mokhatlong oa rona.
Etsa mosebetsi o felletseng oa ho khotsofatsa litlhoko tsohle tsa bareki ba rona;fumana lintlafatso tse tsoelang pele ka ho khothaletsa nts'etsopele ea bareki ba rona;hola ho ba molekane oa ho qetela oa tšebelisano 'moho oa bareki le ho holisa lithahasello tsa bareki bakeng saASTM A335 Alloy Pipe ea tšepe, Rea u amohela ho etela k'hamphani ea rona, fektheri le kamore ea rona ea lipontšo moo ho bonts'ang litharollo tse fapaneng tsa moriri tse tla fihlela tebello ea hau.Ho sa le joalo, ho bonolo ho etela sebaka sa rona sa marang-rang, 'me basebetsi ba rona ba thekiso ba tla leka ka hohle ho u fa litšebeletso tse ntle ka ho fetisisa.Etsa bonnete ba hore u ikopanye le rona haeba u batla lintlha tse ling.Sepheo sa rona ke ho thusa bareki ho hlokomela lipakane tsa bona.Re etsa matsapa a maholo ho fihlela boemo bona ba katleho.
Ho hanyetsa ka matla ho phunyeha ha mocheso o phahameng le likhatello tse phahameng.
E ka sebelisoa bakeng sa Hydrogen Sulfidi Corrosion Services.
E hanana le ho petsoha ho tsoa tlhaselong ea haedrojene le ho embrittlement.
E hanana le ho phatloha ho hot sulfide corrosion.
E ka sebelisoa bakeng sa Lisebelisoa tsa NACE moo libaka tse bolila li leng tlas'a mocheso o phahameng le khatello.
E ka sebelisoa ho NACE-MRO 175 Sour Service.
E loketse lits'ebetso tsa creep rupture.
E khona ho sebetsana le mocheso o phahameng ka elasticity e tlase haholo.
Mefuta ea tšepe ea alloy e koahetsoeng ke tlhaloso ea ASTM A335 - ASME SA335 e entsoe ka "P" prefix, ho tloha P5 ho ea ho P92.Mephato ea P11/P22 le P91/92 hangata e fumaneha liteisheneng tsa motlakase, athe kereiti ea P5 le P9 e sebelisoa haholo indastering ea petrochemical.Mephato ea P9, P91, lethathamong, e theko e boima haholo
| ASTM A335Low-Alloy Steel(Kereiti) | UNS e lekanang | C≤ | Mn | P≤ | S≤ | Si≤ | Cr | Mo |
| 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 |
| A335 Low-Alloy Pipe | Nomoro ea UNS | Kotulo Matla ksi | Tensile Matla ksi | Elongation % | Ho thatafala | |
| Rockwell | Brinell | |||||
| P1 | K11522 | 30 | 55 | 30 | - | - |
| P2 | K11547 | 30 | 55 | 30 | - | - |
| P5 | K41545 | 40 | 70 | 30 | - | 207 max |
| P9 | S50400 | 30 | 60 | 30 | - | - |
| P11 | K11597 | 30 | 60 | 20 | - | - |
| P12 | K11562 | 32 | 60 | 30 | - | 174 max |
| P22 | K21590 | 30 | 60 | 30 | - | - |
| P91 | K91560 | 60 | 85 | 20 | - | - |
Alloy Steel pipe e tšoaroa mocheso ho fihlela thepa ea mochini ho latela ntho e lakatsehang ea alloying.Ka tlaase mona ke mefuta e meng ea phekolo ea mocheso.
Tloaela ho tima le ho halefa.
Koala le ho halefa.
Normalizing & Hardening.
Transverse/longitudinal: tsitsipano le ho batalla, ho thatafala, liteko tsa koba- bakeng sa thepa e 'nileng ea phekoloa mocheso ka har'a libopi tsa batch, liteko tsena li tla etsoa ka 5% ea liphaephe ho tloha palo e' ngoe le e 'ngoe ea mocheso.Bakeng sa lotho tse nyane, phala e le 'ngoe bonyane e tlameha ho lekoa.
ASTM A335 Gr.P91 e tla ba le boima ba 250 HB / 265 HV (25 HRC).
Teko ea Hydro: e tla sebelisoa ho bolelele bo bong le bo bong ba phala.
Teko ea motlakase e sa senyeheng ke ea boikhethelo.Iketsetse mosebetsi o felletseng oa ho khotsofatsa litlhoko tsohle tsa bareki ba rona;fumana lintlafatso tse tsoelang pele ka ho khothaletsa nts'etsopele ea bareki ba rona;hola ho ba molekane oa ho qetela oa tšebelisano 'moho le bareki le ho holisa lithahasello tsa bareki.
ASTM A335 Alloy Alloy Pipe e se nang seamless Pipe e tlase ea tšepe e se nang seamless alloy
Re lebelletse ho fumana lipotso tsa hau kapele mme re ts'epa ho ba le monyetla oa ho etsa mosebetsi le uena nakong e tlang.Rea u amohela ho fumana ponahalo mokhatlong oa rona.
ASTM A335 Alloy Pipe ea tšepe
Rea u amohela ho etela k'hamphani ea rona, feme le kamore ea rona ea lipontšo moo ho bonts'ang litharollo tse fapaneng tsa moriri tse tla fihlela tebello ea hau.Ho sa le joalo, ho bonolo ho etela sebaka sa rona sa marang-rang, 'me basebetsi ba rona ba thekiso ba tla leka ka hohle ho u fa litšebeletso tse ntle ka ho fetisisa.Etsa bonnete ba hore u ikopanye le rona haeba u batla lintlha tse ling.Sepheo sa rona ke ho thusa bareki ho hlokomela lipakane tsa bona.Re etsa matsapa a maholo ho fihlela boemo bona ba katleho.
