| Aloj Type | Khoom yam ntxwv | Adaim ntawv thov |
| C21000 | Nws muaj kev ua haujlwm txias thiab kub ua haujlwm zoo. Nws yog ib qho yooj yim rau vuam, tsis muaj corrosion nyob rau hauv huab cua thiab dej tshiab, tsis muaj kev nyuaj siab corrosion cracking nyiam. | Cov txiaj ntsig, khoom plig, ntawv cim, fuze cap, detonator, enamel hauv qab log, yoj qhia, cov yeeb nkab kub, cov khoom siv hluav taws xob thiab lwm yam. |
| C22000 | Nws muaj cov khoom zoo txhua yam, zoo corrosion kuj thiab siab ua haujlwm. Nws tuaj yeem ua gilded thiab enamel coated. | Decorations, medals, marine Cheebtsam, rivets, waveguides, tank straps, roj teeb caps, watercourse kav thiab lwm yam. |
| C23000 | Txaus txhua yam muaj zog thiab corrosion kuj, yooj yim rau daim ntawv. | Architectural kho kom zoo nkauj, paib tiv npe, bellows, serpentine kav, kav dej, saj zawg zog hoses, txias khoom qhov chaw thiab lwm yam. |
| C24000 | Cov khoom siv zoo, kev ua haujlwm zoo dua hauv lub xeev kub thiab txias thiab siab corrosion kuj nyob rau hauv huab cua thiab dej tshiab. | Daim ntawv lo, embossment, roj teeb cap, suab paj nruas ntsuas, saj zawg zog hose, twj tso kua mis thiab lwm yam. |
| C26000 | Zoo plasticity thiab siab zog, yooj yim rau welding, zoo corrosion kuj, rhiab heev rau kev nyuaj siab corrosion cracking nyob rau hauv ammonia cua. | Plhaub casings, tsheb dej tso tsheb hlau luam, khoom kho vajtse, cov kav dej huv si thiab lwm yam. |
| C26200 ib | Zoo plasticity thiab siab zog, zoo machinability, corrosion kuj, yooj yim rau weld thiab daim ntawv. | Radiator, bellows, qhov rooj, teeb thiab lwm yam. |
| c26800 ua | Lub tshuab muaj zog txaus, cov txheej txheem ua haujlwm, thiab zoo nkauj golden luster. | Txhua yam khoom siv kho vajtse, teeb thiab teeb, cov yeeb nkab fittings, zippers, plaques, ntsia hlau, springs, sedimentation lim thiab lwm yam. |
| C28000, C27400 | Lub zog txhua yam muaj zog, zoo thermal plasticity, zoo txiav kev ua tau zoo, yooj yim dezincification thiab kev ntxhov siab tawg qee zaum. | Txhua yam ntawm cov khoom siv, qab zib kub exchanger raj, tus pin, clamp phaj, ntxhua khaub ncaws thiab lwm yam. |