Hastelloy B2 UNS N10665/W.Nr.2.4617

Nkọwa dị mkpirikpi:

Hastelloy B2 bụ ihe ngwọta siri ike gbasiri ike, nickel-molybdenum alloy, nke nwere nnukwu nguzogide ibelata gburugburu ebe dị ka hydrogen chloride gas, na sulfuric, acetic na phosphoric acid. Molybdenum bụ ihe bụ isi alloying element nke na-enye nnukwu nguzogide corrosion na mbenata gburugburu. Enwere ike iji nickel steel alloy a mee ihe na ọnọdụ dị ka welded n'ihi na ọ na-eguzogide nguzobe nke carbide nke ọka na-ebuli na mpaghara weld okpomọkụ metụtara.

Nickel alloy a na-enye ezigbo iguzogide hydrochloric acid na mkpokọta na okpomọkụ niile. Na mgbakwunye, Hastelloy B2 nwere ezigbo nguzogide nbibi, mgbawa corrosion nrụgide yana n'ahịrị mma na ọgụ mpaghara metụtara okpomọkụ. Alloy B2 na-enye iguzogide acid sulfuric dị ọcha yana ọtụtụ acid na-adịghị oxidizing.

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Ngwakọta kemịkalụ

Alloy	mmewere	C	Si	Mn	S	P	Ni	Cr	Mo	Fe	Co
AlloyB2	Min								26.0
AlloyB2	Oke	0.02	0.10	1.00	0.03	0.04	Balance	1.0	30.0	2.0	1.0

Ihe eji arụ ọrụ

Ọnọdụ Aolly

Ike ọdụdọ

Rm Mpa

Min

Mpụta ike

RP 0.2Mpa

Min

Ogologo oge

Min

Solu

745

325

Njirimara anụ ahụ

Njupụtag/cm³	Ebe mgbaze℃
9.2	1330-1380

Ọkọlọtọ

Mkpanaka, Ogwe, Waya na Nkwụnye ego -ASTM B 335 (Rod, Bar), ASTM B 564 (Forging), ASTM B 366 (Fitting)

Efere, Mpempe akwụkwọ na warara- ASTM B333

Ọkụ na tube -ASTM B 622 (enweghị nkebi) ASTM B 619/B626 (Welded Tube)

Njirimara nke Hastelloy B2

● Nnukwu iguzogide nrụgide corrosion cracking na pitting

● Nnukwu iguzogide ibelata ọnọdụ dị ka hydrogen chloride, sulfuric,acetic na phosphoric acid

● Nguzogide na hydrochloric acid na mkpokọta na okpomọkụ niile

Nke gara aga: INCONEL® alloy C-276 UNS N10276/W.Nr. 2,4819

Osote: HASTELLOY B-3 UNS N10675/W.Nr.2.4600

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Ngwaahịa ndị emetụtara

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INCONEL alloy C-276 (UNS N10276) mara maka nguzogide corrosion ya n'ọtụtụ mgbasa ozi ike ike. Ọdịnaya molybdenum dị elu na-enye iguzogide corrosion mpaghara dị ka pitting. Carbon dị ala na-ebelata oke mmiri carbide n'oge ịgbado ọkụ iji nọgide na-eguzogide ọgụ intergranular na mpaghara okpomọkụ metụtara nke nkwonkwo welded. A na-eji ya eme ihe na nhazi kemịkalụ, njikwa mmetọ, pulp na mmepụta akwụkwọ, ụlọ ọrụ mmepụta ihe na nke ime obodo na mgbake nke "ụra" gas. Ngwa ndị dị na njikwa mmetọ ikuku na-agụnye mkpokọ, ducts, dampers, scrubbers, stack-gas re-heater, fan na ụlọ fan. Na nhazi kemịkalụ, a na-eji alloy maka akụrụngwa gụnyere ndị na-ekpo ọkụ ọkụ, arịa mmeghachi omume, evaporators na ịnyefe ọkpọkọ.

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