Grade 310 shine matsakaicin carbon austenitic bakin karfe, don aikace-aikacen zafin jiki mai girma kamar sassan murhun wuta da kayan aikin maganin zafi.Ana amfani da shi a yanayin zafi har zuwa 1150C a ci gaba da sabis, da 1035°C a cikin sabis na wucin gadi.Grade 310S ƙananan sigar carbon ce ta 310.
Bakin Karfe - Kayayyaki da Aikace-aikace na Bakin Karfe na 310/310s
Aikace-aikacen Bakin Karfe na Grade 310/310S
Aikace-aikace na yau da kullun Grade 310/310S ana amfani dashi a cikin combustors na gado mai ruwa, kilns, bututu mai haske, bututun rataye don tace mai da tukunyar jirgi, abubuwan gas na ciki, tukwane, tukwane, thermowells, ƙwanƙolin anka, masu konewa da ɗakunan konewa, retorts, muffles, annealing cover, saggers, abinci sarrafa kayan aiki, cryogenic Tsarin.
Abubuwan Bakin Karfe na Grade 310/310S
Bakin Karfe - Kayayyaki da Aikace-aikace na Bakin Karfe na 310/310s
Wadannan maki sun ƙunshi 25% chromium da 20% nickel, yana sa su jure wa oxidation da lalata.Mataki na 310S ƙaramin sigar carbon ne, ƙasa da sauƙi ga haɓakawa da haɓakawa a cikin sabis.Babban chromium da matsakaicin abun ciki na nickel suna sa waɗannan karafa su iya yin aiki don rage yanayin sulfur mai ɗauke da H2S.Ana amfani da su ko'ina a cikin tsaka-tsakin yanayi na carburising, kamar yadda aka ci karo da su a muhallin petrochemical.Don ƙarin yanayi na carburising mai tsanani ya kamata a zaɓi sauran gami masu tsayayya da zafi.Ba a ba da shawarar digiri na 310 don yawan kashe ruwa ba saboda yana fama da girgizar zafi.Ana amfani da darajar sau da yawa a aikace-aikacen cryogenic, saboda taurinsa da ƙarancin ƙarfin maganadisu.
Dangane da sauran bakin karfe na austenitic, waɗannan maki ba za a iya taurare ta hanyar magani mai zafi ba.Ana iya taurare su ta aikin sanyi, amma wannan ba kasafai ake yin shi ba.
Bakin Karfe - Kayayyaki da Aikace-aikace na Bakin Karfe na 310/310s
Kemikal Haɗin Kan Bakin Karfe 310/310S
A sinadaran abun da ke ciki na sa 310 da sa 310S bakin karfe an taƙaita a cikin wadannan tebur.
Bakin Karfe - Kayayyaki da Aikace-aikace na Bakin Karfe na 310/310s
Tebur 1.Chemical abun da ke ciki% na sa 310 da 310S bakin karfe
| Haɗin Sinadari | 310 | 310S |
| Carbon | 0.25 max | 0.08 max |
| Manganese | 2.00 max | 2.00 max |
| Siliki | 1.50 max | 1.50 max |
| Phosphorus | 0.045 max | 0.045 max |
| Sulfur | 0.030 max | 0.030 max |
| Chromium | 24.00 - 26.00 | 24.00 - 26.00 |
| Nickel | 19.00 - 22.00 | 19.00 - 22.00 |
Kayayyakin Injini na Daraja 310/310S Bakin Karfe
The inji Properties na sa 310 da sa 310S bakin karfe an taƙaita a cikin wadannan tebur.
Table 2.Kaddarorin injina na sa 310/310S bakin karfe
| Kayayyakin Injini | 310/310S |
| Mataki 0.2 % Tabbacin Damuwa MPa (minti) | 205 |
| Ƙarfin Tensile MPa (minti) | 520 |
| Tsawaita % (min) | 40 |
| Hardness (HV) (max) | 225 |
Abubuwan Jiki na Bakin Karfe na Ferritic
An taƙaita kaddarorin jikin mutum na sa 310 da sa 310S bakin karfe a cikin tebur mai zuwa.
Table 3.Kaddarorin jiki na sa 310/310S bakin karfe
| Kayayyaki | at | Daraja | Naúrar |
| Yawan yawa |
| 8,000 | kg/m3 |
| Wutar Lantarki | 25°C | 1.25 | %IACS |
| Juriya na Lantarki | 25°C | 0.78 | Micro ohm.m |
| Modulus na Elasticity | 20°C | 200 | GPA |
| Modulus Shear | 20°C | 77 | GPA |
| Rabon Poisson | 20°C | 0.30 |
|
| Narkar da Rnage |
| 1400-1450 | °C |
| Takamaiman Zafi |
| 500 | J/kg.°C |
| Dangantakar Magnetic Permeability |
| 1.02 |
|
| Thermal Conductivity | 100°C | 14.2 | W/m.°C |
| Adadin Faɗawa | 0-100°C | 15.9 | /°C |
| 0-315 ° C | 16.2 | /°C | |
| 0-540°C | 17.0 | /°C |
Ƙarfe Bakin Karfe na Grade 310/310S
An ƙirƙira makin ƙirƙira 310/310S a cikin kewayon zafin jiki 975 – 1175°C.Ana aiwatar da aiki mai nauyi har zuwa 1050 ° Can kuma ana amfani da hasken haske zuwa kasan kewayon.Bayan ƙirƙira annealing ana ba da shawarar don kawar da duk damuwa daga tsarin ƙirƙira.Alloys na iya zama cikin sanyin sanyi ta hanyar ingantattun hanyoyi da kayan aiki.
Injin Karfe Bakin Karfe 310/310S
Machinability Grades 310/310SS sun yi kama da machinability don rubuta 304. Ƙarƙashin aiki na iya zama matsala kuma yana da al'ada don cire aikin da aka yi amfani da shi ta hanyar yin amfani da jinkirin gudu da raguwa mai nauyi, tare da kayan aiki masu kaifi da lubrication mai kyau.Ana amfani da injuna masu ƙarfi da nauyi, kayan aiki masu ƙarfi.
Welding na Bakin Karfe na Grade 310/310S
Welding Grades 310/310S ana welded tare da madaidaitan na'urorin lantarki da karafa masu cikawa.SMAW (manual), GMAW (MIG), GTAW (TIG) da SAW suna waldasu da sauri.Ana amfani da lantarki zuwa AWS A5.4 E310-XX da A 5.22 E310T-X, da filler karfe AWS A5.9 ER310.Argon yana kare gas.Ba a buƙatar zafi mai zafi da bayan zafi, amma don sabis na lalata a cikin ruwaye cikakken maganin warware walda yana da mahimmanci.Pickling da passivation na saman don cire babban zafin jiki oxides suna da mahimmanci don dawo da cikakken juriyar lalata mai ruwa bayan walda.Ba a buƙatar wannan magani don sabis na zafin jiki mai girma, amma ya kamata a cire slag walda sosai.
Maganin Zafin Karfe 310/310S Bakin Karfe
Nau'in Jiyya na Heat 310/310S sune maganin da aka shafe ta hanyar dumama zuwa kewayon zafin jiki 1040 -1065 ° C, riƙe da zafin jiki har sai an jiƙa sosai, sannan ruwa yana kashewa.
Juriya na Zafin Karfe 310/310S Bakin Karfe
Maki 310/310S suna da kyau juriya ga hadawan abu da iskar shaka a cikin intermittent sabis a cikin iska har zuwa 1035Cand 1050Cin ci gaba da sabis.A maki ne resistant zuwa hadawan abu da iskar shaka, sulphiation da carburisation.
Akwai Siffofin Bakin Karfe na Grade 310/310S
Austral Wright Metals na iya samar da waɗannan maki a matsayin faranti, zane da tsiri, sanda da sanda, bututu da bututu maras sumul, bututu da bututu mai walda, jabun bututu da bututu, kayan aikin bututu, waya.Lalacewar Resistance Grade 310/310S gabaɗaya ba a amfani dashi don sabis na ruwa mai lalata, kodayake babban chromium da abun ciki na nickel suna ba da juriya ga lalata fiye da sa 304. Alloy ba ya ƙunshi molybdenum, don haka juriya mara kyau ba ta da kyau.Za a faɗakar da darajar 310/310S zuwa lalatawar intergranular bayan sabis a yanayin zafi a kewayon 550 – 800°C.Karɓar damuwa na Chloride na iya faruwa a cikin ruwa masu lalata da ke ɗauke da chlorides a yanayin zafi sama da 100°C.
Lokacin aikawa: Maris 29-2023