JQ.MH0Cr21Ni10 igwe anaghị agba nchara submerged-arc ịgbado ọkụ waya

1. A na-atụ aro ka a na-achịkwa okpomọkụ n'etiti welds na ihe dịka 150 Celsius.Mgbe multi-pass multi-layer ịgbado ọkụ nke obere na ọkara-sized nkọwa, ntị ka ịchịkwa ịgbado ọkụ akara ike.

2.A ga-ehichapụrịrị oyi akwa nchara, mmiri, mmanụ, ájá, wdg nke akụkụ ịgbado ọkụ.

3.A ghaghị ime mmiri ahụ na 300-350 ℃ maka awa 2 tupu ejiri ya.


Nkọwa ngwaahịa

Mkpado ngwaahịa

Okwu mmalite

Submerged Arc Welding (SAW) bụ njikọ njikọ nke gụnyere nguzobe nke arc eletrik n'etiti electrode na-enye nri na-aga n'ihu na workpiece ka a ga-agbakọ.Ihe mkpuchi ntụ ntụ na-agba gburugburu ma kpuchie arc na, mgbe a wụrụ awụ, na-enye ntụgharị eletrik n'etiti ígwè a ga-ejikọta na electrode.

Ngwa

Ejiri ya na petrochemical na ụlọ ọrụ ndị ọzọ, dị ka ịgbado ọkụ nke 12Cr18Ni9 (SUS 302), 06Cr19Ni10 (SUS 304) na ihe ndị ọzọ.

Ngwakọta kemịkalụ waya ịgbado ọkụ(Wt%)

Nlereanya

Ngwakọta kemịkalụ waya ịgbado ọkụ (Wt%)

C

Mn

Si

Cr

Ni

P

S

Cu

ọzọ

JQ.MH0Cr21Ni10

0,056

1.43

0.30

19.81

9.45

0.021

0,006

-

-

Arụmọrụ ngwaahịa

Ụdị ọkọlọtọ dabara (dakọrọ).

Ihe atụ nke ihe anụ ahụ nke ọla edobere (ya na SJ601)

GB

AWS

Tensile StrengthMPa

Mgbatị%

F308-H0Cr21Ni10

ER308

590

42.0

Ngwaahịa ịgbado ọkụ ugbu a (AC ma ọ bụ DC+)

Dayameta (mm)

¢2.5

¢3.2

¢4.0

¢5.0

Mgbado ọkụ ugbu a (A)

400-500

450-550

500-600

550-650

Nkọwapụta ngwaahịa

Dayameta waya

¢2.5

¢3.2

¢4.0

¢5.0

Ibu ngwugwu

25/50/100/200/250/300/350Kg/ibe


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