HASTELLOYC4bụ alloy nke nwere nickel, chromium, na molybdenum. A na-ewere ya dị ka alloy kachasị mma maka ịlụso corrosion ọgụ. Nke a alloy na-egosiputa iguzogide guzobe nke ọka ókè precipitates mgbe doro ịgbado ọkụ okpomọkụ, na-eme ka ọ dabara dị iche iche chemical ngwa ngwa na ya welded ala. Ọzọkwa, AlloyC4na-egosiputa nguzogide pụtara ìhè na olulu, mgbawa-corrosion, na ikuku oxidizing ruo 1900°F. Ọ nwere nguzogide pụrụiche na gburugburu kemịkalụ dịgasị iche iche.
Ngwa:
Ụlọ ọrụ 1.Paper: Digesters na osisi ịcha ọcha.
2.Sour gas gburugburu: Ngwa ndị ekpughere na utoojoo gas.
3.Flue-gas desulfurization osisi: Akụrụngwa eji na flue-gas desulfurization osisi.
4.Sulfuric acid gburugburu: Evaporators, okpomọkụ mgbanwe, nzacha, na mixers eji na sulfuric acid gburugburu.
5.Sulfuric acid reactors: Akụrụngwa na-arụ ọrụ na sulfuric acid reactors.
6.Organic chloride usoro: Equipment tinye n'ọrụ na organic chloride usoro.
7.Halide ma ọ bụ acid catalyst Filiks: Akụrụngwa na-arụ ọrụ na usoro na-eji halide ma ọ bụ acid catalysts.
Ọkwa | C276 | C22 | C4 | B3 | N | ||
Chemical Ihe mejupụtara (%) | C | ≤0.01 | ≤0.015 | ≤0.015 | ≤0.02 | ≤0.01 | 0.04-0.08 |
Mn | ≤1 | ≤0.5 | ≤1 | ≤1 | ≤3 | ≤1 | |
Fe | 4-7 | 2-6 | ≤3 | ≤2 | ≤1.5 | ≤5 | |
P | ≤0.04 | ≤0.02 | ≤0.04 | ≤0.04 | - | ≤0.015 | |
S | ≤0.03 | ≤0.02 | ≤0.03 | ≤0.03 | - | ≤0.02 | |
Si | ≤0.08 | ≤0.08 | ≤0.08 | ≤0.1 | ≤0.1 | ≤1 | |
Ni | zuru ike | zuru ike | zuru ike | zuru ike | ≥65 | zuru ike | |
Co | ≤2.5 | ≤2.5 | ≤2 | ≤1 | ≤3 | ≤0.2 | |
Ti+Cu | - | - | ≤0.7 | - | ≤0.4 | ≤0.35 | |
Al+Ti | - | - | - | - | ≤0.5 | ≤0.5 | |
Cr | 14.5-16.5 | 20-22.5 | 14-18 | ≤1 | ≤1.5 | 6-8 | |
Mo | 15-17 | 12.5-14.5 | 14-17 | 26-30 | ≤28.5 | 15-18 | |
B | - | - | - | - | - | ≤0.01 | |
W | 3-4.5 | 2.5-3.5 | - | - | ≤3 | ≤0.5 | |
V | ≤0.35 | ≤0.35 | - | 0.2-0.4 | - | ≤0.5 |