HASTELLOYC4ialloy inoumbwa neNickel, chromium, uye molybdenum. Iyo inonyanya kutariswa seyakasiyana-siyana alloy yekurwisa corrosion. Alloy iyi inoratidza kuramba kuumbwa kwezviyo muganhu precipitates kana pasi welding kupisa, zvichiita kuti akakodzera siyana kemikari muitiro zvikumbiro ari welded mamiriro ayo. Mukuwedzera, AlloyC4inoratidza kupikisa kwakasimba kugomba, kusagadzikana-kupwanya kwekupwanya, uye oxidizing atmospheres kusvika 1900 ° F. Iyo ine yakasarudzika yekupikisa kune dzakasiyana siyana dzemakemikari nharaunda.
APPLICATIONS:
1.Paper industry: Digesters uye bleach plant.
2.Sour gasi nharaunda: Zvikamu zvakafumurwa kune inovava gasi.
3.Flue-gas desulfurization plants: Zvishandiso zvinoshandiswa mu flue-gas desulfurization plants.
4.Sulfuric acid environments: Evaporators, heat exchangers, filters, uye mixers inoshandiswa munzvimbo dze sulfuric acid.
5.Sulfuric acid reactors: Zvishandiso zvinoshandiswa mu sulfuric acid reactors.
6.Organic chloride process: Zvishandiso zvinoshandiswa mu organic chloride process.
7.Halide kana kuti acid catalyst process: Zvishandiso zvinoshandiswa muzvirongwa zvinoshandisa halide kana acid catalysts.
Giredhi | C276 | C22 | C4 | B3 | N | ||
Chemical Composition (%) | 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 | zorora | zorora | zorora | zorora | ≥65 | zorora | |
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 |
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