Nkọwa ngwaahịa
Ọkụ astm a335 P91 bụ ọkpọkọ enweghị nkebi nke e mere maka ngwa okpomọkụ dị elu. A na-eme ọkpọkọ ndị a site na Alloy-Steel ferritic.
Kemịkalụ a335 P91 ọkpọkọ welded nwere ihe ndị dị ka Molybdenum (Mo) na Chromium agbakwunyere na alloy. Mgbe Molybdenum
na chromium na-agbakwunyere na alloy, enwere mmụba na ike ike nke sa335 ọkwa P91 ọkpọkọ. The tensile ike nke
ọkpọkọ a335 ọkwa P91 bụ 415 Mpa, ebe ike mkpụrụ ya bụ 205 Mpa. Pasent elongation nke ọkpọkọ dị n'etiti 20% ruo 30%.
Alloy Steel P91 Seamless Pipes na-ezokarị aka dị ka ezigbo ígwè n'ihi ụbara nguzogide ya na corrosion chloride na-eme ka ọ bụrụ ezigbo ígwè.
ihe kwesịrị ekwesị maka iji na gburugburu mmiri nnu.
Ọpụrụiche na | Nha dayameta buru ibu |
Akụkụ dị n'èzí | 19.05mm - 114.3mm |
Ọkpụrụkpụ mgbidi | 2.0mm - 14 mm |
Ogologo | kacha 16000mm |
Nhazi oge | Usoro ihe omume 20 - Ịhazi oge XXS (dị arọ na arịrịọ) ruo 250 mm thk. |
Ụdị | Gburugburu, Square, Rectangular, Hydraulic etc. |
Ọkọlọtọ | ASTM A335 P91, SA335 P91 (ya na asambodo ule IBR) |
Nha | 1/2 NB ruo 36 NB |
Ọkpụrụkpụ | 3-12mm |
Nhazi oge | SCH 40, SCH 80, SCH 160, SCH XS, SCH XXS, Usoro niile |
Ndidi | Ọkpụkpọ oyi adọta: +/- 0.1mmỌkpọkpọ akpọrepu oyi: +/- 0.05mm |
Nkà | Oyi akpọrepu na oyi sere |
Ụdị | Enweghị enweghị nkebi / ERW / Welded / Emepụtara ya |
Ogologo | Otu Random, Ugboro abụọ Random & Bee ogologo. |
Ọgwụgwụ | Ọgwụgwụ Larịị, Ọgwụgwụ gbagọrọ agbagọ, zọọ ya |
Ọpụrụiche na | Nnukwu dayameta SA335 P91 ihe |
Nnwale ndị ọzọ | NACE MR 0175, NACE TM0177, NACE TM0284, HIC TEST, SSC TEST, H2 SERVICE, IBR, wdg. |
Ngwa | Pipe Ferritic Alloy-Steel Pipe maka Ọrụ Ọkụ Dị Elu |
ASTM A335 P91 ụdị ọkpọkọ | Dayameta adịghị | Ọkpụrụkpụ mgbidi | Ogologo |
ASTM A335 P91 Pipe enweghị nkebi (nha omenala) | 1/2" NB - 60" NB | SCH 5 / SCH 10 / SCH 40 / SCH 80 / SCH 160 | Omenala |
ASTM A335 P91 welded Pipe (na ngwaahịa + nha omenala) | 1/2" NB - 24" NB | Dị ka ọ chọrọ | Omenala |
ASTM A335 P91 ERW Pipe (Nha omenala) | 1/2" NB - 24" NB | Dị ka ọ chọrọ | Omenala |
ASTM A335 nnukwu nrụgide P91 ji esi mmiri ọkụ | 16" NB - 100" NB | Dị ka ọ chọrọ | Omenala |
ASTM A335 P91 Ihe mejupụtara kemịkalụ
C,% | Mn,% | P,% | S,% | Si,% | Cr,% | Mo,% | V,% | N,% | Mba,% | Al,% | Nb,% |
0.08-0.12 | 0.3-0.6 | 0.02 kacha | 0.01 kacha | 0.2-0.5 | 8.0-9.5 | 0.85-1.05 | 0.18-0.25 | 0.03-0.07 | 0.4 kacha | 0.04 kacha | 0.06-0.10 |
Njirimara ASTM A335 P91
Ike tensile, MPa | Ike Mpụta, MPa | Mgbatị, % | Isi ike, HB |
585 min | 415 min | 20 min | 250 max |
Njirimara anụ ahụ nke P91 Pipe
Okpomọkụ T ° C / ° F (° C / F) |
Okpomọkụ a kapịrị ọnụ J / kgK (Btu / lb ° F) |
Thermal conductivity W / mK (Btu · na / ft 2 · h · Celsius F) |
Igwe ọkụ eletrik μΩ · cm (Ω circ / ft) |
modul nke ntorobịa kN / mm 2 (103 ks) |
Ọnụ ego mgbasawanye site na 20 Celsius C ruo T 10-6 / K (10-6 / Celsius 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 (-) |
okpomọkụ | 0.2% mgbakasị ihe akaebe na elu okpomọkụ |
° 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 |