Super igwe anaghị agba nchara 904L/N08904 efere, tubing, mkpanaka, awara
Ngwaahịa dị
Ọkpụkpọ enweghị nkebi, Efere, Mkpanaka, Forgings, Fasteners, Pipe Fittings.
Ụkpụrụ mmepụta
Ngwaahịa | ASTM |
Ogwe, ibe na profaịlụ | Nke 479 |
Efere, Mpempe akwụkwọ na warara | A 240, A 480 |
Ngwa ọkpọkọ arụrụ arụ, enweghị nkebi | A 403 |
Flange ndị a kpụrụ akpụ, akpụ akpụ | A 182 |
tube na-enweghị ntụpọ | A312 |
Ngwakọta kemịkalụ
% | Fe | Cr | Ni | Mo | C | Mn | Si | P | S | Cu |
Min | guzozie eguzozie | 19.0 | 23.0 | 4.0 |
|
|
|
|
| 1.0 |
Oke | 23.0 | 28.0 | 5.0 | 0.02 | 2.00 | 1.00 | 0,045 | 0,035 | 2.0 |
Njirimara anụ ahụ
Njupụta | 8.0 g / cm3 |
Na-agbaze | 1300-1390 ℃ |
904L ihe onwunwe
N'ihi na ọdịnaya carbon nke 904L dị ntakịrị (0.020% kacha), a gaghị enwe mmiri ozuzo carbide n'ihe gbasara ọgwụgwọ okpomọkụ na ịgbado ọkụ.Nke a na-ewepụ ihe ize ndụ nke corrosion intergranular nke na-emekarị mgbe ọgwụgwọ okpomọkụ na ịgbado ọkụ gasịrị.N'ihi nnukwu ọdịnaya chromium-nickel-molybdenum na mgbakwunye ọla kọpa, 904L nwere ike ịfefe ọbụna na mbenata gburugburu ebe dị ka sulfuric na formic acid.Ọdịnaya nickel dị elu na-ebutekwa ọnụ ọgụgụ corrosion dị ala na steeti nọ n'ọrụ.Na sulfuric acid dị ọcha na ntinye uche nke 0 ~ 98%, okpomọkụ na-arụ ọrụ nke 904L nwere ike ịdị elu dị ka 40 degrees Celsius.Na phosphoric acid dị ọcha na ntinye uche nke 0 ~ 85%, nguzogide corrosion ya dị ezigbo mma.N'ime phosphoric acid mmepụta ihe nke usoro mmiri na-emepụta, adịghị ọcha nwere mmetụta siri ike na nguzogide corrosion.N'ime acid phosphoric dị iche iche, 904L na-eguzogide corrosion karịa igwe anaghị agba nchara nkịtị.N'ime nitric acid oxidizing siri ike, 904L nwere nguzogide corrosion dị ala karịa ọkwa nchara dị elu nke na-enweghị molybdenum.Na hydrochloric acid, ojiji nke 904L na-ejedebe na obere mkpokọta 1-2%.n'usoro ịta ahụhụ a.Nguzogide corrosion nke 904L dị mma karịa nke igwe anaghị agba nchara.904L ígwè nwere nnukwu iguzogide pitting corrosion.Nguzogide ya na corrosion crevice na ngwọta chloride dịkwa ezigbo mma.Ọdịnaya nickel dị elu nke 904L na-ebelata ọnụ ọgụgụ nke corrosion na olulu na crevices.Igwe anaghị agba nchara austenitic nkịtị nwere ike ịdị mfe na nrụrụ nrụgide na gburugburu chloride bara ụba na okpomọkụ karịrị 60 Celsius, enwere ike ibelata mmetụta a site na ịbawanye ọdịnaya nickel nke igwe anaghị agba nchara.N'ihi ọdịnaya nickel dị elu, 904L na-eguzogide oke nrụgide corrosion cracking na ngwọta chloride, ngwọta hydroxide na gburugburu ebe bara ọgaranya hydrogen sulfide.
Mpaghara Ngwa ihe 904L
1.Petroleum, petrochemical akụrụngwa, dị ka reactors na petrochemical akụrụngwa, wdg.
2.Nchekwa na ngwá ọrụ ụgbọ njem maka sulfuric acid, dị ka ndị na-ekpo ọkụ ọkụ, wdg.
3.The flue gas desulfurization ngwaọrụ na ike osisi na-bụ-eji na: ụlọ elu ahụ nke absorption ụlọ elu, flue, shutter, n'ime akụkụ, ịgba usoro, wdg.
4.Scrubbers na Fans na organic acid ọgwụgwọ usoro.
5.Ngwaọrụ na-edozi mmiri mmiri, ndị na-ekpo ọkụ na-ekpo ọkụ n'oké osimiri, ngwá ọrụ ụlọ ọrụ akwụkwọ, sulfuric acid, ngwa nitric acid, mmepụta acid, ụlọ ọrụ ọgwụ na ihe ndị ọzọ kemịkal, arịa nrụgide, ihe oriri.
6.Pharmaceutical osisi: centrifuges, reactors, wdg.
7.Nri osisi: ite soy sauce, mmanya na-esi nri, ite nnu, akụrụngwa na uwe.
8.904L bụ ọkwa nchara dabara adaba maka ihe na-emebi emebi siri ike nke sulfuric acid.