Bayanin Samfura
Bututun astm a335 P91 bututu ne mara kyau wanda ake nufi don aikace-aikacen zafin jiki. Ana yin waɗannan bututu ne daga Alloy-Steel.
Kemikali bututu mai waldadin a335 P91 yana ƙunshe da abubuwa kamar Molybdenum (Mo) da Chromium da aka ƙara a cikin gami. Lokacin da Molybdenum
kuma ana ƙara chromium zuwa gami, ana samun haɓaka ƙarfin ƙarfi na bututun sa335 na P91. The tensile ƙarfi na
bututun a335 na P91 shine 415 Mpa, yayin da yawan amfanin sa shine 205 Mpa. Yawan elongation na bututu yana tsakanin 20% zuwa 30%.
Alloy Karfe P91 Seamless Bututu galibi ana kiransa kyakkyawan ƙarfe ne saboda haɓakar juriya ga lalatawar chloride yana mai da shi sosai.
kayan da suka dace don amfani a cikin yanayin ruwan gishiri.
| Musamman a | Babban Girman Diamita |
| Girman Maɗaukaki | 19.05mm - 114.3mm |
| Kaurin bango | 2.0mm - 14mm |
| Tsawon | max 16000mm |
| Jadawalin | Jadawalin 20 - Jadawalin XXS (mai nauyi akan buƙata) har zuwa 250 mm thk. |
| Siffar | Zagaye, Square, Rectangular, Hydraulic da dai sauransu. |
| Daidaitawa | ASTM A335 P91, SA335 P91 (tare da Takaddun Gwajin IBR) |
| Girman | 1/2 NB zuwa 36 NB |
| Kauri | 3-12 mm |
| Jadawalin | SCH 40, SCH 80, SCH 160, SCH XS, SCH XXS, Duk Jadawalai |
| Hakuri | Tushen da aka zana sanyi: +/- 0.1mm Bututu mai sanyi: +/- 0.05mm |
| Sana'a | Sanyi birgima da sanyi ja |
| Nau'in | Mara kyau / ERW / Welded / Kera |
| Tsawon | Bazuwar Guda Guda, Bazuwar Biyu & Tsawon Yanke. |
| Ƙarshe | Ƙarshen Ƙarshe, Ƙarshen Ƙarshe, Taka |
| Musamman a | Babban Diamita SA335 P91 Material |
| Ƙarin Gwaji | NACE MR 0175, NACE TM0177, NACE TM0284, HIC TEST, SSC TEST, H2 SERVICE, IBR, da dai sauransu. |
| Aikace-aikace | Bututun Ferritic Alloy-Karfe mara sumul don Sabis mai Tsayi mai tsayi |
| ASTM A335 P91 Nau'in Bututu | Out diamita | Kaurin bango | Tsawon |
| ASTM A335 P91 Bututu mara nauyi (Mai Girman Musamman) | 1/2" NB - 60" NB | SCH 5 / SCH 10 / SCH 40 / SCH 80 / SCH 160 | Custom |
| ASTM A335 P91 Welded Pipe (a cikin Stock + Girman Al'ada) | 1/2" NB - 24" NB | Kamar yadda ake bukata | Custom |
| ASTM A335 P91 ERW bututu (Masu girma dabam) | 1/2" NB - 24" NB | Kamar yadda ake bukata | Custom |
| ASTM A335 Babban Matsi P91 Boiler Pipe | 16" NB - 100" NB | Kamar yadda ake bukata | Custom |
ASTM A335 P91 Haɗin Chemical
| C, % | Mn, % | P, % | S, % | Sa,% | Cr, % | Mo, % | V, % | N, % | Ba, % | Al, % | Nb, % |
| 0.08-0.12 | 0.3-0.6 | 0.02 max | 0.01 max | 0.2-0.5 | 8.0-9.5 | 0.85-1.05 | 0.18-0.25 | 0.03-0.07 | 0.4 max | 0.04 max | 0.06-0.10 |
Bayanan Bayani na ASTM A335P91
| Ƙarfin Ƙarfin Ƙarfi , MPa | Ƙarfin Haɓaka, MPa | Tsawaitawa, % | Hardness, HB |
| 585 min | 415 min | 20 min | 250 max |
Abubuwan Jiki Na Bututu P91
| Zazzabi T ° C /F (° C / F) |
Musamman zafi J / kgK (Btu / lb ° F) |
Ƙarfafawar thermal W / mK (Btu · in / ft 2 · h · ° F) |
Juriya na lantarki μΩ · cm (Ω circ / ft) |
Modules na matasa kN / mm 2 (103 ks) |
Fadada coefficient daga 20 ° C zuwa T 10-6 / K (10 -6 / ° F) |
| 20/68 | 460 (-) | 26 (-) | 218 (-) | ||
| 200/392 | 207 (-) | 11.3 (-) | |||
| 400/752 | 190 (-) | 12.0 (-) | |||
| 500/932 | 30 (-) | 12.3 (-) | |||
| 600/1112 | 12.6 (-) | ||||
| 650/1202 | 162 (-) | 12.7 (-) |
| zafin jiki | 0.2% hujja damuwa a yanayin zafi mafi girma |
| ° C /F | Rp 0.2 |
| Mpa / ksi | |
| 100/212 | 410 / 59.4 |
| 200/392 | 380 / 55,1 |
| 300/572 | 360 / 52,2 |
| 400/752 | 340 / 49,3 |
| 500/932 | 300 / 43.5 |
| 600/1112 | 215 / 31,1 |
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