Alloy 420 bụ ihe siri ike, martensitic igwe anaghị agba nchara nke bụ mgbanwe nke Alloy 410. Dị ka 410, ọ nwere opekempe nke 12% chromium, zuru ezu iji nye ihe ndị na-eguzogide corrosion. Alloy 420 nwere elu carbon ọdịnaya karịa Alloy 410 nke e mere na-ebuli ike na ike àgwà. Ọ nwere ezigbo ductility ọ bụ ọnọdụ annealed mana enwere ike ịgbasi ike ruo Rockwell hardness 50 HRC, isi ike kachasị elu nke akara 12% chromium. N'ihi ihe siri ike ya, Alloy 420 anaghị ejikọta ya mgbe niile, ọ bụ ezie na ọ ga-ekwe omume. Emebere igwe anaghị agba nchara Martensitic maka ịdị elu siri ike na mgbe ụfọdụ ihe ndị ọzọ na-emebi ruo ogo ụfọdụ. Nguzogide corrosion dị ala karịa akara ule austenitic a na-ahụkarị na oke ọrụ ha bara uru na-ejedebere site na mfu nke ductility na obere okpomọkụ na enweghị ike site na oke iwe na okpomọkụ dị elu. A na-enweta nguzogide corrosion kacha mma mgbe igwe na-agbasi ike na ala elu ma ọ bụ na-egbuke egbuke.

Mpempe igwe anaghị agba nchara 420

1. Ọkwa:201 304 304L 316 316L 309S 310S 321 321H 317 317L 347 347H 405 409 409L 410 410S 420 430 44
2. Elu: 2B / BA /NO.1 /NO.4/ NO.8/8k/HL/bright/polsied /satin/ pickling ect
3. Ogologo: 2m,2.44m,2.5m,3m,5.8m,6mect ma ọ bụ dị ka gị chọrọ.
obosara: 1m,1.22m,1.25m,1.5m,1.8m,2m,2.5m,3mor dị ka gị chọrọ.
4. Usoro: Oyi akpọrepu, Hot Rolled
5. Ọkpụrụkpụ: 0.05-40mm

Nkọwa ngwaahịa

Nkọwa ngwaahịa:	420 igwe anaghị agba nchara
Ihe:	420
Ọkwa:	201 304 304L 316 316L 309S 310S 321 321H 317 317L 347 347H 405 409 409L 410 410S 420 430 444 S32750 S31500 S31803 2304 2205 1.4372 1.4319 1.4301 1.4833 1.4845 1.4401 1.4571 1.4404 1.4438 1.445451. 016 1.4521
Elu:	NO.1/NO.4/BA / 2B / brush/ HL / 8K / mirror
Usoro:	Oyi akpọgharịrị, na-ekpo ọkụ akpọchie
Nha:	Ọkpụrụkpụ: 0.05-40mm Obosara na Ogologo: dị ka gị chọrọ
Ahịa:	N'ụwa niile
Eji:	A na-ejikarị na-ewu ubi, ụlọ ọrụ ụgbọ mmiri, mmanụ ala, chemical ụlọ ọrụ, ụlọ ọrụ agha na ọkụ eletrik, nhazi nri na ahụike, ụlọ ọrụ, igwe na-ekpo ọkụ ọkụ, igwe na ngwa ngwa.

Nkọwa ngwaahịa

Nkọwapụta ihe: EN 10088-2, ASTM A240, EN 10028-7, EN 10259, ISO 9445

Chemistry:

C	Mn	P	S	Si	Ni	Cr	Ku	N	Mo
.16-.25	1.50 Max	.040 Max	.015 Max	1.0 Oke		12.0-14.0

Ngwongwo igwe:

Ịkwụsị		Mmụba		Isi ike		Ogologo oge		Mpaghara Mbelata
700 N/mm2 Max		450 N/mm2 Max		225 Max (HB)

Ngwa

A na-ejikarị ya eme ihe na kemịkalụ, nri, ọgwụ, akwụkwọ, mmanụ ala, ike atomiki na ụlọ ọrụ ndị ọzọ, yana ihe owuwu, kichin, tebụl, ụgbọ ala, ngwa ụlọ na ihe ndị ọzọ. Iji jide n'aka na ike mkpụrụ, ike nkwụsị, elongation na hardness nke mpempe akwụkwọ igwe anaghị agba nchara dị iche iche na-emezu ihe ndị a chọrọ, a ghaghị ikpochapụ mpempe akwụkwọ nchara, ngwọta na-edozi na agadi tupu nnyefe.

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