Rolled steel gaw ahkyak ai hpaga lam langai rai nna, gawgap ai lam, jak rung ni hte kaga lamu ga ni hta grai lang ai. Shi a arung arai hte arawn alai ni hta hkan nna, rolled steel amyu myu hta lawu na ni lawm ai: 1. Ordinary carbon steel; 2. High{3}} n-gun yawm ai-}} n-gang; . 4. N-gang hte kaga laksan arung arai ni.
. Dai hpe structural hte mechanical galaw shapraw ai lam amyu myu hta grai lang ai.
2. High- n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun n-gun yawm ai n-gang langai mi rai nga ai. Shi a grai kaja ai n-gun atsam hte ngang kang ai lam, shi a grau kaja ai bu hpun palawng hte n-gun n-gun hpe ninghkap lu ai atsam ni gaw, hka lawng gawgap ai lam hte tsaw ai{4}}rise nta ni zawn re ai hpaga lam ni hta grai jai lang wa sai.
3. Galvanized iron hte color-aluminum steel hpe madung hku nna, n-gun n-gun hpe makawp maga ra ai application ni hta madung lang ai, dai ni gaw, n-gun n-gun hpe makawp maga ra ai, ga shadawn, n-gun n-gun n-rawng ai jak rung ni hte sutdek ni gaw, n-gun n-gun n-gun n-rawng ai hpe pat shingdang nna, shanhte a daw jau ai prat hpe jat ya ai.
4. Stainless steel plates hte laksan arung arai coil ni hpe chemical, tsi mawan, malu masha hpaga lam, tsaw ai{1}}end nta hpe mawn sumli ai lam hte kaga hkai sun ni hta grai lang ai majaw, shanhte a n-gun ja ai n-gun n-gun hpe ninghkap lu ai atsam hte n-gun ja ai hte tsawm htap ai shara ni a majaw re.