• isi_ọkọlọtọ_01

INCONEL® alloy 718 UNS N07718/W.Nr. 2.4668

Nkọwa dị mkpirikpi:

INCONEL 718 (UNS N07718) bụ ihe nickel chromium na-eguzogide corrosion siri ike. Enwere ike ịmepụta alloy nke nwere ike ịka nká ngwa ngwa. ọbụna n'ime mgbagwoju akụkụ. Njirimara ịgbado ọkụ ya. karịsịa ya iguzogide biputere weld cracking, bụ pụtara ìhè. Ọ dị mfe na akụ na ụba nke INCONEL alloy 718 nwere ike ịmepụta, jikọtara ya na nkwụsị nke ọma, ike ọgwụgwụ na ike mgbawa, emeela ka a na-eji ya mee ihe n'ọtụtụ ngwa. Ọmụmaatụ nke ndị a bụ ihe maka rọketi na-agba mmiri, mgbanaka, casings na akụkụ dị iche iche a kpụrụ akpụ maka ụgbọ elu na injin turbine gas dabere na ala, yana tankị cryogenic. A na-ejikwa ya maka ihe nkedo na akụkụ ngwá ọrụ.


Nkọwa ngwaahịa

Mkpado ngwaahịa

Ngwakọta kemịkalụ

Alloy

mmewere C Si Mn S P Ni Cr Al Ti Fe Cu B
Alloy718 Min           50.0 17.0 0.20 0.65 Balance    
Oke 0.08 0.35 0.35 0.015 0.015 55.0 21.0 0.80 1.15   0.3 0.06
Oihe mmewere Mo:2.80~3.30,Nb:4.75~5.50;Co:1.0Max

Ihe eji arụ ọrụ

Ọnọdụ Aolly

Ike ọdụdọ

Rm Mpa

Min

Mpụta ike

RP 0.2 Mpa

Min

Ogologo oge

A 5

Nkeji %

Mbelata

mpaghara,

Min,%

Brinell siri ike

HB

Min

Ngwọta

965

550

30

 

 

ngwọta mmiri ozuzo sie ike

1275

1034

12

15

331

Njirimara anụ ahụ

Njupụtag/cm3

Ebe mgbaze

8.20

1260-1336

Ọkọlọtọ

Mkpanaka, Ogwe, Waya na Azụ ahịa -ASTM B 637, ASME SB 637

Efere, Mpempe akwụkwọ na eriri -ASTM B 670, ASTM B 906,ASME SB 670, ASME SB 906, SAE AMS 5596

Ọkụ na tube -SAE AMS 5589, SAE AMS 5590

Njirimara nke Inconel 718

Ndị na-ebupụ mkpuchi inconel

● Ezigbo ihe eji arụ ọrụ - nkwụsịtụ, ike ọgwụgwụ na mgbawa
● Ike mpụta, ihe na-akpụ akpụ na ike mgbawa dị elu nke ukwuu
● Na-eguzogide ọgwụ nke ukwuu na chloride na sulfide stress corrosion cracking
● Na-eguzogide corrosion aqueous na chloride ion stress corrosion cracking
● Nnukwu okpomọkụ na-eguzogide
● Afọ na-esi ike nke nwere ihe pụrụ iche nke nzaghachi ịka nká ngwa ngwa nke na-enye ohere ikpo ọkụ na oyi n'oge annealing na-enweghị ihe ize ndụ nke mgbawa.
● Njirimara ịgbado ọkụ dị mma, na-eguzogide mgbawa afọ postweld


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