ASTM A335 P92 (ASME SA335 P92) bututu ne mai kama da ƙarfe mai kama da ferritic wanda aka yi shi don aiki mai zafi sosai.Lambar UNS ita ce K92460.
P92 ƙarfe ne mai jure zafi mai yawan chromium martensitic wanda ke ɗauke da chromium 8.50–9.50% kuma an haɗa shi da Mo, W, V, da Nb, wanda ke ba da ƙarfin ƙwanƙwasa mai zafi, juriya ga iskar shaka, da juriya ga gajiyar zafi.
Ana amfani da shi sosai a manyan layukan tururi, layukan tururi masu sake dumamawa, bututun dumama mai zafi da na sake dumamawa na tukunyar dumama mai ƙarfi da mai tsanani, da kuma a cikin bututun sarrafa mai mai zafi da mai matsin lamba da kuma abubuwan da ke riƙe da matsi a cikin wuraren tace mai da mai.
Botop Steel ƙwararre ne kuma amintaccen mai haƙo bututun ƙarfe na ƙarfe a China, yana da ikon samar da bututun ƙarfe na ƙarfe da sauri, gami daP5 (K41545), P9 (K90941), P11 (K11597), P12 (K11562), P22 (K21590), kumaP91 (K90901).
Kayayyakinmu suna da inganci mai inganci, farashi mai kyau, kuma suna tallafawa dubawa na ɓangare na uku.
| Sinadarin Sinadarai, % | |||
| C | 0.07 ~ 0.13 | N | 0.03 ~ 0.07 |
| Mn | 0.30 ~ 0.60 | Ni | matsakaicin 0.40 |
| P | matsakaicin 0.020 | Al | 0.02 mafi girma |
| S | 0.010 mafi girma | Nb | 0.04 ~ 0.09 |
| Si | matsakaicin 0.50 | W | 1.5 ~ 2.0 |
| Cr | 8.50 ~ 9.50 | B | 0.001 ~ 0.006 |
| Mo | 0.30 ~ 0.60 | Ti | 0.01 mafi girma |
| V | 0.15 ~ 0.25 | Zr | 0.01 mafi girma |
Kalmomin Nb (Niobium) da Cb (Columbium) sunaye ne na daban ga abu ɗaya.
Halayen Tashin Hankali
| Matsayi | Halayen Tashin Hankali | ||
| Ƙarfin Taurin Kai | Ƙarfin Ba da Kyauta | Ƙarawa | |
| ASTM A335 P92 | 90 ksi [620 MPa] minti | 64 ksi [440 MPa] minti | Minti 20% (Na Tsawon Lokaci) |
ASTM A335 ya ƙayyade ƙimar mafi ƙarancin tsawaitawa da aka ƙididdige don P92 ga kowane raguwar kauri na 1/32 inci [0.8 mm].
| Kauri a Bango | Tsawon P92 a cikin inci 2 ko 50 mm | |
| in | mm | Tsawon lokaci |
| 0.312 | 8 | Minti 20% |
| 0.281 | 7.2 | Minti 19% |
| 0.250 | 6.4 | Minti 18% |
| 0.219 | 5.6 | Minti 17% |
| 0.188 | 4.8 | Minti 16% |
| 0.156 | 4 | Minti 15% |
| 0.125 | 3.2 | Minti 14% |
| 0.094 | 2.4 | Minti 13% |
| 0.062 | 1.6 | Minti 12% |
Inda kauri bango yake tsakanin ƙima biyu da ke sama, mafi ƙarancin ƙimar tsawaitawa ana ƙayyade shi ta hanyar dabarar da ke ƙasa:
E = 32t + 10.00 [E = 1.25t + 10.00]
Ina:
E = tsawaitawa a cikin inci 2 ko 50 mm, %, da
t = ainihin kauri na samfuran, a cikin. [mm].
Bukatun Tauri
| Matsayi | Halayen Tashin Hankali | ||
| Brinell | Vickers | Rockwell | |
| ASTM A335 P92 | matsakaicin ƙarfin 250 HBW | matsakaicin HV 265 | Matsakaicin HRC 25 |
Ga bututun da kaurinsu ya kai inci 0.200 [5.1 mm] ko sama da haka, za a yi amfani da gwajin taurin Brinell ko Rockwell.
Za a yi gwajin taurin Vickers bisa ga Hanyar Gwaji E92.
Gwajin Faɗin Ƙasa
Za a gudanar da gwaje-gwajen akan samfuran da aka ɗauka daga ƙarshen bututun daidai da buƙatun Sashe na 20 na ASTM A999.
Gwajin Lanƙwasa
Ga bututun da diamitarsa ta wuce NPS 25 kuma rabon kauri tsakanin diamita da bango shine 7.0 ko ƙasa da haka, za a yi masa gwajin lanƙwasa maimakon gwajin lanƙwasa.
Za a lanƙwasa samfuran gwajin lanƙwasa a zafin ɗaki har zuwa digiri 180 ba tare da fashewa a wajen ɓangaren lanƙwasa ba.
Mai ƙera da Yanayi
Za a yi bututun ƙarfe na ASTM A335 P92 ta hanyar amfani da fasahar zamani.tsari mara matsalakuma za a yi amfani da shi ko dai a yi amfani da shi da zafi ko kuma a yi amfani da shi da sanyi, kamar yadda aka ƙayyade.
Bututu mara sumul bututu ne wanda ba shi da walda. A cikin yanayin zafi mai yawa da matsin lamba mai yawa, bututun da ba su da sumul na iya jure matsin lamba da yanayin zafi mai yawa a ciki, suna ba da ingantaccen tsari da halayen injiniya, da kuma guje wa lahani a cikin haɗin walda.
Maganin Zafi
Za a sake dumama bututun P92 don maganin zafi kuma a yi masa magani bisa ga buƙatun.
| Matsayi | ASTM A335 P92 |
| Nau'in Maganin Zafi | normalize da kuma daidaita yanayin |
| Daidaita Zafin Jiki | 1900 ~ 1975 ℉ [1040 ~ 1080 ℃] |
| Zafin Zafin Jiki | 1350 ~ 1470 ℉ [730 ~ 800 ℃] |
Wasu daga cikin ƙarfen ferritic da wannan ƙayyadaddun bayanai ya rufe za su taurare idan aka sanyaya su da sauri daga sama da zafin da suke da shi. Wasu za su taurare iska, wato, su taurare zuwa wani mataki da ba a so idan aka sanyaya su a iska daga yanayin zafi mai yawa.
Saboda haka, ayyukan da suka shafi dumama irin waɗannan ƙarfe sama da yanayin zafinsu mai mahimmanci, kamar walda, flanging, da lanƙwasawa mai zafi, ya kamata a bi su da maganin zafi mai dacewa.
| ASME | ASTM | EN | GB |
| ASME SA335 P92 | ASTM A213 T92 | EN 10216-2 X10CrWMoVNb9-2 | GB/T 5310 10Cr9MoW2VNbBN |
Kayan aiki:bututun ƙarfe marasa tsari da kayan aiki na ASTM A335 P92;
Girman:1/8" zuwa 24", ko kuma an keɓance shi bisa ga buƙatunku;
Tsawon:Tsawon bazata ko yankewa bisa ga oda;
Marufi:Baƙin shafi, ƙarshen da aka yanke, kariyar ƙarshen bututu, akwatunan katako, da sauransu.
Tallafi:Takaddun shaida na IBR, duba TPI, MTC, yankewa, sarrafawa, da kuma keɓancewa;
Moq:mita 1;
Sharuɗɗan Biyan Kuɗi:T/T ko L/C;
Farashi:Tuntube mu don sabon farashin bututun ƙarfe na P92.
