Bututun ƙarfe mara ƙarfi don manyan tukunyar jirgi ASTM A335/A335M-2018
Dubawa
Saukewa: ASTM A335
Rukunin Daraja: P5, P9, P11, P22, P91, P92 da dai sauransu.
Kauri: 1-100 mm
Diamita na waje (Zagaye): 10 - 1000 mm
Tsawon: Kafaffen tsayi ko tsayin bazuwar
Siffar Sashe: Zagaye
Wurin Asalin: China
Takaddun shaida: ISO9001:2008
Alloy Ko Ba: Alloy
Aikace-aikace: Boiler Pipe
Surface Jiyya: A matsayin abokin ciniki ta bukata
Dabarar: Zane Mai Zafi/ Sanyi Zane
Maganin zafi: Annealing / normalizing / Tempering
Bututu na Musamman: Bututun bango mai kauri
Amfani: babban matsi mai tururi, tukunyar jirgi da mai musayar zafi
Gwajin: ET/UT
Aikace-aikace
An yafi amfani da shi don yin high quality gami karfe tukunyar jirgi bututu, zafi musayar bututu, high matsa lamba tururi bututu ga man fetur da kuma sinadaran masana'antu.
Babban Daraja
Grade na high quality gami bututu: P1, P2, P5, P9, P11, P22, P91, P92 da dai sauransu
Abubuwan Sinadari
Daraja | 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 |
Sabuwar ƙididdiga da aka kafa daidai da Practice E 527 da SAE J1086, Ƙwararren Ƙarfe da Ƙarfe (UNS). B Grade P 5c zai sami abun ciki na titanium wanda bai gaza sau 4 na abun cikin carbon ba kuma bai wuce 0.70% ba; ko abun ciki na columbium na 8 zuwa 10 na abun cikin carbon.
Kayan Injiniya
Kayan aikin injiniya | P1, P2 | P12 | P23 | P91 | P92,P11 | P122 |
Ƙarfin ƙarfi | 380 | 415 | 510 | 585 | 620 | 620 |
Ƙarfin bayarwa | 205 | 220 | 400 | 415 | 440 | 400 |
Maganin zafi
Daraja | Nau'in Maganin Zafi | Daidaita Yanayin Zazzabi F [C] | Subcritical Annealing ko Tempering |
P5, P9, P11, da P22 | Yanayin Zazzabi F [C] | ||
A335 P5 (b,c) | Cikakken ko Isothermal Anneal | ||
Normalize da fushi | ***** | 1250 [675] | |
Subcritical Anneal (P5c kawai) | ***** | 1325 - 1375 [715 - 745] | |
Saukewa: A335P9 | Cikakken ko Isothermal Anneal | ||
Normalize da fushi | ***** | 1250 [675] | |
Saukewa: A335P11 | Cikakken ko Isothermal Anneal | ||
Normalize da fushi | ***** | 1200 [650] | |
Saukewa: A335P22 | Cikakken ko Isothermal Anneal | ||
Normalize da fushi | ***** | 1250 [675] | |
Saukewa: A335P91 | Normalize da fushi | 1900-1975 [1040 - 1080] | 1350-1470 [730 - 800] |
Quench da Haushi | 1900-1975 [1040 - 1080] | 1350-1470 [730 - 800] |
Hakuri
Don bututun da aka umarce shi zuwa diamita, diamita na ciki ba zai bambanta fiye da 6 1% daga ƙayyadadden diamita na ciki ba
Bambance-bambancen da aka halatta a cikin Diamita na Waje
NPS Designator | in | mm | in | mm |
1⁄8 zuwa 11⁄2, ciki har da | 1⁄64 (0.015) | 0.4 | 1⁄64 (0.015) | 0.4 |
Sama da 11⁄2 zuwa 4, incl. | 1⁄32 (0.031) | 0.79 | 1⁄32 (0.031) | 0.79 |
Sama da 4 zuwa 8, incl | 1⁄16 (0.062) | 1.59 | 1⁄32 (0.031) | 0.79 |
Sama da 8 zuwa 12, incl. | 3⁄32 (0.093) | 2.38 | 1⁄32 (0.031) | 0.79 |
Sama da 12 | 6 1% na ƙayyadaddun waje diamita |
Bukatar Gwaji
Gwajin Ruwa:
Yakamata a gwada bututun Karfe da ruwa daya bayan daya. Matsakaicin Matsayin Gwajin shine MPa 20. Ƙarƙashin Ƙarƙashin Gwajin, Lokacin Tsabtatawa bai kamata ya zama ƙasa da 10 S ba, kuma Bututun Karfe Kada ya zube.
Bayan Mai Amfani Ya Yarda, Ana iya Mayar da Gwajin Hydraulic Ta Gwajin Eddy Yanzu Ko Gwajin Leakage Magnetic Flux.
Gwajin mara lalacewa:
Yakamata a duba bututun da ke buƙatar ƙarin bincike ta hanyar duban dan tayi ɗaya bayan ɗaya. Bayan Tattaunawar Na Bukatar Yardar Jam'iyyar Kuma An Ƙayyade A Cikin Yarjejeniyar, Za'a Iya Ƙara Wasu Gwajin Mara Lalacewa.
Gwajin Lalacewa:
Tubes Tare da Diamita Waje Sama da 22 mm Za a Yi gwajin Lalacewa. Babu Bayyanannen Haɓakawa, Farin Tabo, Ko Najasa da yakamata su Faru yayin Gabaɗayan Gwajin.
Gwajin Tauri:
Don bututu na maki P91, P92, P122, da P911, Brinell, Vickers, ko Rockwell gwajin taurin za a yi a kan samfurin kowane kuri'a.
Gwajin Lanƙwasa:
Don bututu wanda diamita ya wuce NPS 25 kuma wanda diamita zuwa kaurin bango ya kai 7.0 ko ƙasa da haka za a yi gwajin lanƙwasa a maimakon gwajin lanƙwasa. Sauran bututu wanda diamita ya yi daidai ko ya wuce NPS 10 za a iya ba da gwajin lanƙwasa a madadin gwajin lanƙwasa bisa amincewar mai siye.