Steel pipe a density gaw lang ai arung arai ni hta hkan nna n bung ai. Common alloy steel pipe ni gaw 7.8 kaw nna 8.0 g/cm3 du hkra rai nga ai. Anhte a alloy steel pipe ni hpe tsaw ai- manu dan ai arung arai ni hte galaw da ai, n-gun n rawng ai, bur- n lawm ai, n-gun n rawng ai{{6} n lawm ai, hte scale{7}} n lawm ai. Anhte gaw ra kadawn ai lam amyu myu hpe hkap la lu na matu, tengman ai quality grade ni hte hkum tsup ai masat da ai lam ni hpe jaw ga ai. Ndai pipe ni gaw grai kaja ai hkum hkrang atsam ni hpe lu da ai sha n-ga, jai lang ai lam amyu myu hta mung grai lang ma ai.
