LawgC4yog ib qho alloy muaj cai ntawm npib tsib xee, chromium, thiab molybdenum. Nws yog kev saib xyuas zoo li yog feem ntau ntawm cov alloy rau kev sib txuas ntawm corrosion. Qhov no alloy ua rau pom kev tsim cov qoob loo ntawm cov qoob loo ua ntej thaum raug tsim kom muaj cua sov, ua kom haum rau ntau txoj kev siv tshuaj lom neeg hauv nws lub xeev welded. Tsis tas li ntawd, alloyC4Cov khoom ua kom pom tseeb tsis kam rau pitting, kev nyuaj siab-corrosion cracking, thiab oxidizing cua txog li 1900 ° F. Nws muaj cov kev zam tsis kam mus rau ib puag ncig ntau yam.
Cov Ntawv Thov:
1. Kev Lag Luam: Cov neeg zom khoom thiab cov nroj tsuag ua kom dawb.
2.Sour roj ib puag ncig: Cheebtsam muaj kua roj qaub so.
3.Qhia-roj Desulfurization Nroj Tsuag: Khoom siv hauv Flue-roj desulfurization nroj tsuag.
4.Sulfuric acid chaw: evapators, kev pauv hluav taws xob, kev siv hluav taws kub, lim dej, thiab cov tshuaj sib xyaw siv hauv cov sulfuric ib puag ncig.
5.Sulfuric acid acid: cov cuab yeej siv hauv sulfuric acid requors.
6.organic chloride cov txheej txheem: cov cuab yeej siv siv hauv cov organic chloride cov txheej txheem.
7.Khal lossis acid catalyst cov txheej txheem: cov khoom siv ua haujlwm hauv cov txheej txheem uas siv cov lus siv rau cov acid acid.
Teem nqi | C276 | C22 | C4 | B3 | N | ||
Tshuaj Muaj pes tsawg (%) | C | ≤0.01 | I≤0.015 | I≤0.015 | I≤0.02 | ≤0.01 | 0.04-0.08 |
Mn | 15 xyoos | I≤0.5 | 15 xyoos | 15 xyoos | ≤3 | 15 xyoos | |
Fe | 4-7 | 2-6 | ≤3 | ≤2 | ≤1.5 | Medicited 15 | |
P | I≤0.04 | I≤0.02 | I≤0.04 | I≤0.04 | - | I≤0.015 | |
S | I≤0.03 | I≤0.02 | I≤0.03 | I≤0.03 | - | I≤0.02 | |
Si | I≤0.08 | I≤0.08 | I≤0.08 | I≤0.1 | I≤0.1 | 15 xyoos | |
Ni | so | so | so | so | ≥65 | so | |
Co | ≤2.5 | ≤2.5 | ≤2 | 15 xyoos | ≤3 | I≤0.2 | |
TI + CU | - | - | I≤0.7 | - | I≤0.4 | I≤0.35 | |
Al + ti | - | - | - | - | I≤0.5 | I≤0.5 | |
Cr | 14.5-16.5 | 20-22.5 | 14-18 | 15 xyoos | ≤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 | I≤0.5 | |
V | I≤0.35 | I≤0.35 | - | 0.2-0.4 | - | I≤0.5 |