Nchịkọta nke usoro ịgbado ọkụ igwe anaghị agba nchara

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1. Nhazi na njirimara physicochemical

Ụdị nhazi

A na-ahụkarị

Kpọtụrụ

Ụdị

Ụdị ahụ nke Ferritic

1. High resistivity
2. Ogbenye thermal conductivity

1 Magburu onwe nrụgide corrosion eguzogide
2 Ọ dị mfe ịmepụta 475 °C nchikota

0Cr13 (405)

1 Cr17 (430)

Ụdị Martensitic

1. Ihe na-eme ka ike sie ike buru ibu, na carbon ọdịnaya na-abawanye na ya.

1 Cr13 (410)

Ụdị Austenitic

1 Ọnụ ọgụgụ nke mgbasawanye linear buru ibu
2 Ezi nguzogide corrosion
3 Plasticity dị mma
4Nguzogide okpomọkụ dị elu
5Ọ nwere ezigbo iguzogide obere okpomọkụ

0Cr18Ni9(304)

0Cr19Ni11 (308)

0Cr23Ni13(309)

0Cr25Ni20 (310)

0Cr17Ni12Mo(316)

0Cr17Ni12Mo2Nb/Ti(318)

0Cr19Ni13Mo3 (317)

1Cr18Ni9Ti(321)

0Cr18Ni11Nb(347)

0Cr20Ni25Mo5Cu2(385)

O-ígwè duplex

1. Intergranular corrosion resistance 2 nrụgide corrosion eguzogide 3 pitting eguzogide

00Cr22Ni5Mo3N (2205)

Ụdị ike mmiri ozuzo

1. High hardness 2 ogbenye plasticity

0Cr17Ni4Cu4Mo2(630)

Nchịkọta usoro ịgbado ọkụ igwe anaghị agba nchara_2_01

Ụdị ahụ nke Ferritic

Nchịkọta usoro ịgbado ọkụ igwe anaghị agba nchara_2_02

Ụdị Martensitic

Nchịkọta usoro ịgbado ọkụ igwe anaghị agba nchara_2_03

Ụdị Austenitic

Nchịkọta usoro ịgbado ọkụ igwe anaghị agba nchara_2_04

Ịdị ike mmiri ozuzo

Abụọ: usoro ịgbado ọkụ

Nhọrọ nke ihe mgbado ọkụ igwe anaghị agba nchara kwesịrị ịgbaso ụkpụrụ nke "homogeneity".

1. Ferritic igwe anaghị agba nchara Ọ bụrụ na usoro ịgbado ọkụ na-ekpo ọkụ na 430-480 Celsius C ruo ogologo oge ma dị jụụ nwayọọ nwayọọ, ọ dị mfe ịmepụta 475 Celsius C brittleness, na adịghị ọcha ga-arụ ọrụ catalytic.Usoro ịgbado ọkụ na-akwado obere ịgbado ọkụ, ịgbado ọkụ ngwa ngwa, enweghị oscillation, yana njikwa okpomọkụ dị ala n'oge ịgbado ọkụ multilayer.Iji weld akwa workpieces, weld seam ga-hammer ibelata shrinkage nchegbu.

2. Martensitic igwe anaghị agba nchara okpomọkụ-emetụta mpaghara embrittlement na ịgbado ọkụ oyi cracks dị mkpa iji zere dị ka o kwere omume mgbe ịgbado ọkụ, n'ozuzu na-ekwekọ preheating tupu ịgbado ọkụ (150-300 Celsius C) na post-ịgbado ọkụ ọgwụgwọ (700-750 Celsius). C) jikoro, iji nnukwu ike akara, ọ bụrụ na ọ dị mkpa, ị nwere ike họrọ ihe ịgbado ọkụ austenitic.

3. Austenitic igwe anaghị agba nchara Ihe na-emetụta ihe ndị na-emetụta ọkụ na-ekpo ọkụ na intergranular corrosion bụ isi ihe dị mkpa maka ịgbado ọkụ nke igwe anaghị agba nchara dị otú ahụ, n'ihi àgwà anụ ahụ ya, ekwesịrị iwere obere ike linear maka ịgbado ọkụ, ngwa ngwa jụrụ oyi, na ala interlayer okpomọkụ. kwesịrị ịchịkwa mgbe ịgbado ọkụ multilayer.Gbalịsie ike ịnwe oke ferrite mgbe ị na-agbado ọkụ iji gbochie ọnwu nke mgbawa ọkụ.N'ime ụlọ ọrụ petrochemical dị ka ndị na-emepụta hydrogenation na ngwaahịa ndị ọzọ akọwapụtara, ọnụ ọgụgụ nke ferrites (FN) nke weld akọwapụtala nke ọma, n'ozuzu achọrọ 3-10.

4. Austria-ígwè duplex igwe anaghị agba nchara nwere obere mgbape ọchịchọ tụnyere austenitic ígwè;N'iji ya tụnyere ígwè ferritic, embrittlement post-weld dị ala, ya mere ọ nwere ezigbo weldability, ọ bụghị ikpo ọkụ ma ọ bụ ikpo ọkụ ọkụ, ọ dịghịkwa mgbawa ịgbado ọkụ na-emepụta.Otú ọ dị, mgbe a na-ekpo ọkụ na okpomọkụ dị elu, a na-enwe mmasị na ọka na-eto eto, na obere ike linear kwesịrị iwere mgbe ị na-agbado ọkụ.

5. Igwe anaghị agba nchara mmiri ozuzo na-esi ike n'ihi nnukwu ike siri ike, adịghị ike na-adịghị mma na plasticity nke ụdị ígwè a, na nnukwu nrụgide fọdụrụnụ nke ịgbado ọkụ, ọ dị mfe ịmepụta cracks.A na-atụ aro usoro ịgbado ọkụ dị ka martensitic igwe anaghị agba nchara, mana ọ dị mkpa ka abawanye okpomọkụ.

Mara:Standardkpụrụ AWSA5.9 maka igwe anaghị agba nchara na eriri igwe na YB/T5092 Standard for Stainless Steel for Welding kwuru na nyocha kemịkalụ nke ụdị gbazere nke waya jikọtara ma ọ bụ eriri eriri ma ọ bụ eriri igwe bụ naanị nnwale achọrọ maka nhazi ngwaahịa ndị a. ụdị.Nke ahụ bụ, akụrụngwa akụrụngwa na ule ndị ọzọ, dịka mkpa ndị ahịa si dị.
Igwe anaghị agba nchara electrode GES usoro, akwụkwọ ozi ikpeazụ B na aha ngwaahịa na-egosi uwe na-acha anụnụ anụnụ, R na-egosi uwe na-acha uhie uhie, dị ka GES-308R na-anọchite anya uwe na-acha uhie uhie GES-308, GES-312B na-anọchi anya akpụkpọ anụ na-acha anụnụ anụnụ GES-312 .

Usoro nhazi-nke-carbon-steel-welding-process03

Oge nzipu: Ọktoba 13-2022