Janar Properties
Grade 430 ne ferritic, mike chromium, wadanda ba hardenable sa, hada da kyau lalata juriya da kuma formability halaye da amfani inji Properties. Its ikon tsayayya nitric acid hari izni da amfani a takamaiman sinadaran aikace-aikace amma mota datsa da nema aka gyara wakiltar da most filayen na aikace-aikace.
Grade 430F ne free-machining version na wannan aji, akwai a mashaya form don amfani a atomatik dunƙule inji. Grade 434 ne molybdenum hali version na Grade 430, kuma yana da guda amfani hade da kaddarorin. Its molybdenum Bugu da kari inganta lalata juriya.
Wadannan Properties for 430 suna kayyade for lebur birgima samfurin (farantin, takardar da kuma nada) a ASTM A240 / A240M. Similar amma ba dole ba m Properties aka kayyade ga sauran kayayyakin kamar forgings da kuma mashaya a cikin Game da bayani dalla-dalla. Properties na Grade 430F aka kayyade ga mashaya a ASTM A582.
Aikace-aikace
Hankula aikace-aikace na 430 sa sun hada da:
1.Linings for tasa washers
2.Refrigerator hukuma bangarori
3.Automotive datsa
4.Lashing Waya
5.Element goyon bayan
6.Stove datsa zobba
7.Fasteners
8.Chimney liners
Hankula aikace-aikace na 430F sa sun hada da:
1.Repetition machined aka gyara
2.UNS: ASTM / ASTE S43000
3.DIN: 1,4016
bayani dalla-dalla:
lalata Resistance
Grade 430 yana da kyau jure mai fadi da dama lalatattu enviornments, ciki har da nitric acid da wasu Organic acid. Yana riskuwar ta matsakaicin lalata juriya idan a cikin sosai goge ko buffed yanayin. A janar ta jure pitting da crevice lalata juriya ne kusa da cewa na sa 304. Danniya lalata fatattaka juriya na Grade 430 ne sosai high, kamar yadda yake ga duk ferritic maki.
Kamar sauran high-sulfur free machining maki 430F ya yawa rage jure pitting da crevice lalata idan aka kwatanta da wadanda ba free machining m.
Heat Resistance
Grade 430 resists hadawan abu da iskar shaka a intermittent sabis har zuwa 870 ° C da kuma 815 ° C a ci gaba da sabis. Wannan sa iya zama gaggautsa a dakin da zazzabi bayan shafe tsawon dumama a cikin 400-600 ° C kewayo. Wannan sakamako za a iya shafe ta da annealing.
Heat jiyya
1.Solution Annealing - Heat zuwa 815-845 ° C, rike for ½ hour da 25mm na da kauri, m makera sanyi zuwa 600 ° C sa'an nan da sauri iska sanyi. Slow sanyaya daga 540-400 ° C zai sa embrittlement.
2.Sub-m anneal - Heat zuwa 760-815 ° C sa'an nan iska sanyi ko ruwa ice.
3.This sa ba hardenable da thermal jiyya.
4.Pre-zafi a 150-200 ° C idan waldi zama dole.
5.Embrittlement a Weld karfe da zafin rana ya shafa zone za a iya janye ta wani post-Weld anneal a 790-815 ° C
6.Grain tsaftacewa ba zai faru.
7.Easier zuwa inji fiye da misali austenitic maki kamar 304.
8.Still wani hali ga galling da kuma sama-sama a kan sabon kayan aiki.
9.Bars cewa an ɗauka da sauƙi kõma ne sauki ga na'ura fiye da waɗanda suke a cikin annealed yanayin.
10.Grade 430F, da free machining version of 430, ne sosai sauki ga na'ura.
11.Lower aiki hardening rate sa lankwasawa da kafa da ɗan sauki fiye for sa 304
12.Lower ductility ƙuntatãwa sosai tsanani ayyukan.
13.Severe bends ya kamata a yi tare da lanƙwasa axis a dama kusassari da mirgina shugabanci.
14.Severe sanyi ashin na 430 waya ne yiwu.
Welding
machining
ƙiren ƙarya
Abun da ke ciki
Grade |
C |
mn |
Si |
P |
S |
Kr |
Mo |
Ni |
N |
|
430 |
min. max. |
- 0,12 |
- 1,00 |
- 1,00 |
- 0,040 |
- 0,030 |
16,0 18,0 |
- |
- 0.75 |
- |
430F |
min. max. |
- 0,12 |
- 1.25 |
- 1,00 |
- 0.06 |
0,15 - |
16,0 18,0 |
- |
- |
- |
inji Properties
Grade |
Tensile ƙarfi (MPa) min |
Amfanin ƙasa ƙarfi 0.2% Hujja (MPa) min |
Elongation (% a 50mm) min |
taurin |
|
Rockwell B (HR B) max |
Brinell (HB) max |
||||
430 |
450 |
205 |
22 |
89 |
183 |
430F |
552 hankula |
379 hankula |
25 hankula |
- |
262 |
jiki Properties
Grade |
Yawa (kg / m 3 ) |
Na roba Modulus (GPA) |
Ma'anar coefficient na thermal Fadada |
Thermal watsin |
Specific Heat 0-100 ° C (J / kg.K) |
Banana Resistivity (nW.m) |
|||
0-100 ° C |
0-315 ° C |
0-538 ° C |
a 100 ° C |
a 500 ° C |
|||||
430 |
7750 |
200 |
10.4 |
11,0 |
11,4 |
23,9 |
26,0 |
460 |
600 |
430F |
7750 |
200 |
10.4 |
11,0 |
11,4 |
26.1 |
26.3 |
460 |
600 |
Zai yiwu Alternative INGANCI
A tebur a kasa ne a jerin yiwu madadin maki to Grade 430.
Grade |
Dalili shi iya zaba maimakon 430 |
430F |
Higher machinability fiye da 430 da ake bukata a bar samfurin, da kuma rage lalata juriya ne m. |
434 |
Better pitting juriya ake bukata |
304 |
Dan kadan mafi girma lalata juriya da ake bukata, tare da inganta ƙwarai ikon da za a welded da sanyi kafa |
316 |
Fi kyau lalata juriya da ake bukata, tare da inganta ƙwarai ikon da za a welded da sanyi kafa |
3CR12 |
A ƙananan lalata juriya ne m, a wani kudin-m aikace-aikace |