430 Bakin Karfe

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
(mm/m/°C)

Thermal watsin
(W/m.K)

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