Shin 400 Series Bakin Karfe Tsatsa?

Bakin karfe ana yin bikin ne saboda juriyar lalatarsa, karko, da kuma kyan gani. Duk da haka, ba duk nau'in ƙarfe ba ne ke ba da kariya iri ɗaya daga tsatsa. Ɗaya daga cikin tambayoyin da aka fi yi a tsakanin injiniyoyi, masu gine-gine, da masana'antun shine:Shin 400 jerin bakin karfe tsatsa?

Amsa a takaice ita ce:a, 400 jerin bakin karfe iya tsatsa, musamman a ƙarƙashin wasu yanayi na muhalli. Duk da yake har yanzu yana ba da mafi kyawun juriyar lalata fiye da carbon karfe, aikinsa ya dogara da takamaiman matsayi, abun da ke ciki, da yanayin sabis. A cikin wannan labarin, za mu nutse a cikintsatsa juriya na 400 jerin bakin karfe, bincika abubuwan da ke tasiri ayyukanta, da ba da jagora kan inda da yadda ake amfani da shi yadda ya kamata.

A matsayin amintaccen mai samar da kayayyakin bakin karfe,sakysteelyana nan don taimaka muku fahimtar yadda ake yin zaɓin da aka sani lokacin zabar maki da ya dace don aikinku.

1. Fahimtar 400 Series Bakin Karfe

The 400 jerin bakin karfe ne iyali naferritic da martensiticbakin karfe gami. Ba kamar jerin austenitic 300 (kamar 304 da 316), jerin 400 gabaɗayaya ƙunshi kadan ko babu nickel, wanda ke tasiri sosai ga juriya na lalata.

Maki 400 gama gari sun haɗa da:

• 409: Ana amfani da shi a cikin tsarin sharar motoci

• 410: Janar-manufa martensitic daraja

• 420: An san shi don babban taurin da aikace-aikacen cutlery

• 430: Ado da lalata-resistant don amfanin cikin gida

• 440: High-carbon, m sa amfani ga ruwan wukake da kayan aiki

Waɗannan maki yawanci sun ƙunshi11% zuwa 18% chromium, wanda ke samar da Layer oxide mai wucewa wanda ke taimakawa tsayayya da tsatsa. Koyaya, ba tare da tasirin kariya na nickel ba (kamar yadda aka gani a cikin jerin 300), wannan Layer shineƙasa da kwanciyar hankalikarkashin m yanayi.

2. Me yasa 400 Series Bakin Karfe Tsatsa?

Abubuwa da yawa suna tasiri gahalin tsatsana 400 jerin bakin karfe:

a) Karancin abun ciki na nickel

Nickel yana inganta haɓakakwanciyar hankali na m chromium oxide Layerwanda ke kare bakin karfe daga lalata. Rashin nickel a cikin jerin maki 400 ya sa sukasa da juriyaidan aka kwatanta da jerin 300.

b) Gurbacewar Sama

Idan an fallasa zuwa:

• Chloride ions (misali, daga ruwan gishiri ko deicing gishiri)

• gurbacewar masana'antu

• Tsaftacewa mara kyau ko ragowar ƙirƙira
  Za a iya rushe Layer na chromium oxide mai kariya, yana haifar da shipitting lalata or tsatsa spots.

c) Rashin Kulawa ko Bayyanawa

A cikin muhallin waje tare da babban zafi, ruwan acid, ko fesa gishiri, jerin karfe 400 mara kariya ya fi saurin lalacewa. Ba tare da ingantaccen magani na saman ba, tabo da tsatsa na iya faruwa akan lokaci.

3. Bambance-bambance Tsakanin Makin Ferritic da Martensitic

Jerin 400 ya haɗa da duka biyunferritickumamartensiticbakin karfe, kuma suna da hali daban-daban dangane da juriyar tsatsa.

Ferritic (misali, 409, 430)

• Magnetic

• Matsakaicin juriya na lalata

• Yana da kyau ga ciki ko yanayi mara kyau

• Mafi kyawun tsari da weldability

Martensitic (misali, 410, 420, 440)

• Mai tauri ta hanyar maganin zafi

• Mafi girman abun ciki na carbon

• Babban ƙarfi da juriya na sawa

• Ƙananan juriya fiye da ferritic sai dai idan an rufe ko rufe

Fahimtar wane nau'i na yanki da kuke amfani da shi yana da mahimmanci don kimanta aikin tsatsa.

4. Aikace-aikacen Duniya na Gaskiya da Tsammanin Lalacewar Su

Thezabi na 400 jerin sadole ne a daidaita tare daaikace-aikace ta muhalli fallasa:

• 409 Bakin Karfe: Ana yawan amfani da shi a sharar mota. Zai iya yin tsatsa na tsawon lokaci amma yana ba da juriya mai karɓuwa don yanayin zafi mai zafi.

• 410 Bakin Karfe: Ana amfani dashi a cikin cutlery, bawuloli, fasteners. Mai saurin lalacewa ba tare da wuce gona da iri ba.

• 430 Bakin Karfe: Shahararrun kayan aikin kicin, kwanon ruwa, da kuma kayan ado. Kyakkyawan juriya na lalata na cikin gida, amma yana iya yin tsatsa idan aka yi amfani da shi a waje.

• 440 Bakin Karfe: Babban tauri ga ruwan wukake da kayan aikin tiyata, amma mai saurin kamuwa da rami a cikin yanayi mai ɗanɗano idan ba a gama da kyau ba.

At sakysteel, Muna ba abokan ciniki shawara a kan mafi dacewa 400 jerin sa dangane da yanayin muhalli da kuma tsammanin lalata.

5. Kwatanta Series 400 da 300 Series Bakin Karfe