Ndi 400 Series igwe anaghị agba nchara?

A na-eme emume igwe anaghị agba nchara maka nguzogide corrosion ya, ịdịte aka ya na ịma mma ya. Agbanyeghị, ọ bụghị ọkwa igwe anaghị agba nchara niile na-enye otu ọkwa nchebe megide nchara. Otu n'ime ajụjụ ndị a na-ajụkarị n'etiti ndị injinia, ndị na-ese ụkpụrụ ụlọ, na ndị na-emepụta ihe bụ:400 usoro igwe anaghị agba nchara ọ na-agba?

Azịza dị mkpirikpi bụ:ee, 400 usoro igwe anaghị agba nchara nwere ike nchara, karịsịa n'okpuru ụfọdụ ọnọdụ gburugburu ebe obibi. Ọ bụ ezie na ọ ka na-enye nguzogide corrosion ka mma karịa carbon ígwè, arụmọrụ ya dabere na ọkwa ọkwa, ihe mejupụtara, na gburugburu ọrụ. N'isiokwu a, anyị ga-amaba n'imenchara eguzogide 400 usoro igwe anaghị agba nchara, Nyochaa ihe ndị na-emetụta arụmọrụ ya, ma nye nduzi na ebe na otu esi eji ya eme ihe nke ọma.

Dịka onye na-ebubata ngwaahịa igwe anaghị agba nchara ntụkwasị obi,sakysteelọ nọ ebe a iji nyere gị aka ịghọta ka ị ga-esi mee nhọrọ ziri ezi mgbe ị na-ahọrọ ọkwa kwesịrị ekwesị maka ọrụ gị.

1. Ịghọta 400 Series igwe anaghị agba nchara

Usoro igwe anaghị agba nchara 400 bụ ezinụlọferritic na martensiticigwe anaghị agba nchara alloys. N'adịghị ka usoro 300 austenitic (dị ka 304 na 316), usoro 400 n'ozuzu ya.nwere obere nickel ma ọ bụ enweghị, nke na-emetụta nguzogide corrosion nke ọma.

Akara ule usoro 400 nkịtị gụnyere:

• 409: A na-eji ya na sistemụ iyuzucha ụgbọ ala

• 410: General-ebumnobi martensitic ọkwa

• 420: Amara maka nnukwu ike ike na ngwa ịkpụ

• 430: Ihe ịchọ mma na corrosion na-eguzogide maka ime ụlọ

• 440: Carbon dị elu, ọkwa siri ike ejiri maka agụba na ngwaọrụ

Ọkwa ndị a na-enwekarị11% ruo 18% chromium, nke na-emepụta oyi akwa oxide na-agafe agafe nke na-enyere aka iguzogide nchara. Otú ọ dị, na-enweghị mmetụta nchebe nke nickel (dị ka a na-ahụ na usoro 300), oyi akwa a bụobere kwụsie iken'okpuru ọnọdụ ike ike.

2. Gịnị mere 400 Series igwe anaghị agba nchara nchara?

Ọtụtụ ihe na-emetụta naàgwà ncharanke 400 usoro igwe anaghị agba nchara:

a) Ọdịnaya Nickel dị ala

Nickel na-eme ka ahụ dịkwuo mmankwụsi ike nke oyi akwa chromium oxide na-agafe agafenke na-echebe igwe anaghị agba nchara site na corrosion. Enweghị nickel na 400 usoro akara ule na-eme ka haobere ihe na-eguzogide corrosiontụnyere 300 usoro.

b) Mmetọ elu

Ọ bụrụ na ekpughere ya:

• ion chloride (dịka ọmụmaatụ, site na mmiri nnu ma ọ bụ nnu na-emepụta ihe)

• Mmetọ ụlọ ọrụ

• Nhicha na-ezighi ezi ma ọ bụ ihe fọdụrụ n'ichepụta
  Enwere ike imebi oyi akwa chromium oxide na-echebe, na-akpatapitting corrosion or nchara tụrụ.

c) Mmezi ma ọ bụ ihe ngosi na-adịghị mma

N'ebe dị n'èzí nwere oke iru mmiri, mmiri ozuzo acid, ma ọ bụ nnu nnu, nchara usoro 400 na-enweghị nchebe na-adị mfe na corrosion. Enweghị ọgwụgwọ elu kwesịrị ekwesị, ntụpọ na nchara nwere ike ime ka oge na-aga.

3. Ọdịiche dị n'etiti Ferritic na Martensitic Grades

Usoro 400 gụnyere maferiticnamartensiticigwe anaghị agba nchara, na ha na-akpa àgwà dị iche iche na okwu nke nchara iguzogide.

Ferritic (dịka, 409, 430)

• Magnetik

• Nguzogide corrosion na-agafeghị oke

• Ọ dị mma maka ime ime ma ọ bụ gburugburu ebe na-emebi emebi

• Mma formability na weldability

Martensitic (dịka, 410, 420, 440)

• Na-esi ike site na ọgwụgwọ okpomọkụ

• Ọdịnaya carbon dị elu

• Ike dị elu na mgbochi iyi

• Obere ihe na-eguzogide corrosion ka ferritic ọ gwụla ma ekpuchiri ya ma ọ bụ kpuchie ya

Ịghọta klaasị nke ị na-eji dị oke mkpa n'ịtụle arụmọrụ nchara.

4. Ngwa nke ụwa n'ezie na atụmanya mmebi ha

Nkenhọrọ nke 400 usoro ọkwakwesịrị kwekọọ nangwa gburugburu ikpughe:

• 409 igwe anaghị agba nchara: A na-ejikarị eme ihe na ikuku ụgbọala. Nwere ike na-agba nchara ka oge na-aga mana ọ na-enye nguzogide corrosion anabatara maka gburugburu oke ọkụ.

• 410 igwe anaghị agba nchara: Ejiri ya na cutlery, valves, fasteners. Na-adaba na corrosion na-enweghị passivation elu.

• 430 igwe anaghị agba nchara: Nke a ma ama maka ngwa kichin, sink, na ogwe ihe ịchọ mma. Ezigbo nguzogide corrosion ime ụlọ, mana ọ nwere ike ịta nchara ma ọ bụrụ na ejiri ya mee ya n'èzí.

• 440 igwe anaghị agba nchara: Ike siri ike maka agụba na ngwa ịwa ahụ, mana ọ nwere ike ịbanye na gburugburu mmiri mmiri ma ọ bụrụ na emechabeghị ya nke ọma.

At sakysteel, Anyị na-adụ ndị ahịa ọdụ na ọkwa ọkwa 400 kachasị mma dabere na mkpughe gburugburu ebe obibi na atụmanya corrosion ha.

5. Tụnyere usoro 400 na 300 Series igwe anaghị agba nchara