Awọn tubes irin ti ko ni ailopin fun awọn igbomikana titẹ-giga ASTM A335/A335M-2018
Akopọ
Standard: ASTM A335
Ẹgbẹ Ite: P5,P9,P11,P22,P91,P92 ati be be lo.
Sisanra: 1 - 100 mm
Ode opin (Yika): 10 - 1000 mm
Ipari: Gigun ti o wa titi tabi ipari laileto
Apẹrẹ Abala: Yika
Ibi ti Oti: China
Iwe eri: ISO9001:2008
Alloy Tabi Ko: Alloy
Ohun elo: igbomikana Pipe
Itọju Ilẹ: Bi ibeere alabara
Ilana: Gbona Yiyi / Tutu Fa
Itọju igbona: Annealing/normalizing/Tempering
Paipu Pataki: Nipọn Wall Pipe
Lilo: paipu ategun titẹ giga, igbomikana ati Oluyipada Ooru
Idanwo: ET/UT
Ohun elo
O ti wa ni o kun lo lati ṣe ga-didara alloy irin igbomikana pipe, ooru paarọ paipu, ga titẹ nya paipu fun Epo ilẹ ati kemikali ile ise
Akọkọ ite
Ite ti ga-didara alloy pipe: P1, P2, P5, P9, P11, P22, P91, P92 ati be be lo
Ohun elo Kemikali
Ipele | 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 |
Apejuwe Tuntun ti iṣeto ni ibamu pẹlu Iwa E 527 ati SAE J1086, Iṣe fun Nọmba Awọn irin ati Alloys (UNS). B Grade P 5c yoo ni akoonu titanium ti ko kere ju awọn akoko 4 akoonu erogba ko si ju 0.70%; tabi akoonu columbium ti 8 si 10 ni igba akoonu erogba.
Mechanical Ini
Darí-ini | P1,P2 | P12 | P23 | P91 | P92,P11 | P122 |
Agbara fifẹ | 380 | 415 | 510 | 585 | 620 | 620 |
Agbara ikore | 205 | 220 | 400 | 415 | 440 | 400 |
Ooru Itọju
Ipele | Ooru Itọju Iru | Didara Iwọn Iwọn F [C] | Subcritical Annealing tabi tempering |
P5, P9, P11, ati P22 | Iwọn otutu F [C] | ||
A335 P5 (b,c) | Kikun tabi Isothermal Anneal | ||
Normalize ati Ibinu | ***** | 1250 [675] | |
Anneal Subcritical (P5c nikan) | ***** | 1325 – 1375 [715-745] | |
A335 P9 | Kikun tabi Isothermal Anneal | ||
Normalize ati Ibinu | ***** | 1250 [675] | |
A335 P11 | Kikun tabi Isothermal Anneal | ||
Normalize ati Ibinu | ***** | 1200 [650] | |
A335 P22 | Kikun tabi Isothermal Anneal | ||
Normalize ati Ibinu | ***** | 1250 [675] | |
A335 P91 | Normalize ati Ibinu | Ọdun 1900-1975 [1040 - 1080] | 1350-1470 [730 - 800] |
Quench ati Ibinu | Ọdun 1900-1975 [1040 - 1080] | 1350-1470 [730 - 800] |
Ifarada
Fun paipu ti a paṣẹ si inu iwọn ila opin, iwọn ila opin inu ko ni yatọ ju 6 1% lati inu iwọn ila opin ti a pato
Awọn iyatọ ti o gba laaye ni Ode Iwọn
NPS onise | in | mm | in | mm |
1⁄8to 11⁄2, pẹlu | 1⁄64 (0.015) | 0.4 | 1⁄64 (0.015) | 0.4 |
Ju 11⁄2 si 4, pẹlu. | 1⁄32 (0.031) | 0.79 | 1⁄32 (0.031) | 0.79 |
Ju 4 si 8, pẹlu | 1⁄16 (0.062) | 1.59 | 1⁄32 (0.031) | 0.79 |
Ju 8 si 12, pẹlu. | 3⁄32 (0.093) | 2.38 | 1⁄32 (0.031) | 0.79 |
Ju 12 lọ | 6 1% ti pato ita opin |
Ibeere idanwo
Idanwo Hydraustatic:
Paipu Irin yẹ ki o ṣe idanwo Hydraulically Ọkan Nipa Ọkan. Iwọn Idanwo ti o pọju jẹ 20 MPa. Labẹ Ipa Igbeyewo, Akoko Imuduro yẹ ki o Ko kere ju 10 S, Ati Pipe Irin ko yẹ ki o jo.
Lẹhin ti Olumulo Gba, Idanwo Hydraulic le Rọpo nipasẹ Idanwo Eddy lọwọlọwọ Tabi Idanwo Leakage Flux oofa.
Idanwo ti ko ni iparun:
Awọn paipu ti o nilo Ayẹwo diẹ sii yẹ ki o ṣe ayẹwo Ultrasonically Ọkan nipasẹ Ọkan. Lẹhin Idunadura Nbeere Gbigbanilaaye ti Ẹka Ati Ti Ni pato ninu Adehun naa, Idanwo miiran ti kii ṣe iparun le ṣe afikun.
Idanwo fifẹ:
Awọn Tubes Pẹlu Iwọn Iwọn Ita Ti o tobi ju 22 mm yoo wa labẹ Idanwo Filati kan. Ko si Delamination ti o han, awọn aaye funfun, tabi awọn aimọ yẹ ki o waye lakoko idanwo gbogbo.
Idanwo Lile:
Fun paipu ti Awọn giredi P91, P92, P122, ati P911, Brinell, Vickers, tabi Rockwell awọn idanwo lile ni ao ṣe lori apẹrẹ lati ọpọlọpọ kọọkan
Idanwo tẹ:
Fun paipu ti iwọn ila opin rẹ kọja NPS 25 ati iwọn ila opin rẹ si ipin sisanra ogiri jẹ 7.0 tabi kere si ni yoo tẹriba idanwo tẹ dipo idanwo fifẹ. Paipu miiran ti iwọn ila opin rẹ dọgba tabi ju NPS 10 lọ ni a le fun ni idanwo tẹ ni aaye ti idanwo fifẹ koko ọrọ si ifọwọsi ti olura.