Hastelloy C-4
Nkọwa dị mkpirikpi:
Hastelloy C-4 (UNS NO6455)
Njirimara Hastelloy C-4 na nyocha ngwa:
Alloy bụ austenitic obere carbon nickel-molybdenum-chromium alloy. Isi ihe dị iche n'etiti Nicrofer 6616 hMo na alloys ndị ọzọ nke mejupụtara kemịkalụ yiri nke emepụtara na mbụ bụ obere carbon, silicon, iron na tungsten. Ngwakọta kemịkalụ a na-enye nkwụsi ike dị mma na 650-1040 Celsius C yana nkwụsi ike ka mma na corrosion intergranular, na-ezere nhụsianya ahịrị corrosion ọnụ na weld HAZ corrosion n'okpuru ọnọdụ nrụpụta kwesịrị ekwesị. Alloy eji flue gas desulfurization usoro, pickling na acid regeneration osisi, acetic acid na ugbo kemịkalụ mmepụta, titanium dioxide mmepụta (chloride usoro), electrolytic plating.
Ụdị ụdị Hastelloy C-4:
NS335 (China) W.Nr.2.4610 NiMo16Cr16Ti (Germany)
Ngwakọta kemịkalụ Hastelloy C-4:
Alloy | % | Ni | Cr | Fe | Mo | Nb | Co | C | Mn | Si | S | Cu | Al | Ti |
Hastelloy C-4 | Min | Oke | 14.5 | 14.0 | ||||||||||
Kachasị | 17.5 | 3.0 | 17.0 | 2.0 | 0.009 | 1.0 | 0.05 | 0.01 | 0.7 |
Njirimara anụ ahụ Hastelloy C-4:
Njupụta | Ebe mgbaze | Thermal conductivity | Kpọmkwem ike okpomọkụ | Modul na-agbanwe | Modulu shear | Nguzogide | Oke Poisson | Ọnụọgụ mgbasawanye Linear |
8.6 | 1335 | 10.1 (100 ℃) | 408 | 211 | 1.24 | 10.9 (100 ℃) |
Hastelloy C-4 Mechanical Properties: ( kacha nta n'ibu na 20 ℃):
Ụzọ ọgwụgwọ okpomọkụ | Ike tensile σb/MPa | Mpụta Ike σp0.2/MPa | Ọnụego ndọtị σ5 /% | Brinell hardness HBS |
Ọgwụgwọ ọgwụgwọ | 690 | 275 | 40 |
Ụkpụrụ mmepụta Hastelloy C-4:
Ọkọlọtọ | Ogwe | Agbaghara | Efere (nwere) ihe | Waya | Ọkụ |
American Society for Testing and Materials | ASTM B574 | ASTM B336 | ASTM B575 | ASTM B622 | |
Nkọwa nka nka na ihe eji eme ụgbọelu Amerịka | |||||
American Society of Mechanical Engineers | ASME SB574 | ASME SB336 | ASME SB575 | ASTM SB622 |
Hastelloy C-4 usoro arụmọrụ na chọrọ:
1, Na usoro ọgwụgwọ okpomọkụ enweghị ike ịkpọtụrụ sọlfọ, phosphorus, lead na metal ndị ọzọ dị ala na-agbaze, ma ọ bụ alloy ga-aghọ kenkuwa, kwesịrị ịṅa ntị wepụ dị ka akara agba, ihe ngosi okpomọkụ, crayons acha, lubricants, mmanụ ụgbọala. na unyi ndị ọzọ. Ọdịnaya sọlfọ dị ala nke mmanụ ọkụ ka mma, ọdịnaya sọlfọ nke gas kwesịrị ịbụ ihe na-erughị 0.1%, ọdịnaya sọlfọ nke mmanụ dị arọ kwesịrị ịbụ ihe na-erughị 0,5%. Igwe ọkụ ọkụ eletrik bụ nhọrọ ka mma, n'ihi na ọkụ eletrik nwere ike ịchịkwa okpomọkụ nke ọma na ọkụ ọkụ gas dị ọcha. Ọ bụrụ na stovu gas gas dị ọcha, ị nwere ike ịhọrọ.
2, alloy thermal nhazi okpomọkụ nso nke 1080 ℃ ~ 900 ℃, jụrụ usoro maka mmiri jụrụ ma ọ bụ ndị ọzọ ngwa ngwa jụrụ. Iji hụ na nguzogide corrosion kacha mma, a ga-eme ọgwụgwọ okpomọkụ mgbe ọgwụgwọ okpomọkụ gasịrị.