Round billet. Tube billet 90-180

Round billets.

•Hot rolled round billets are supplied unpeeled.

•Chemical composition:
Hot rolled round billets are produced of structural steel of chemical composition by GOST 1050, GOST 4543, GOST 19281 and GSTU 3-009-2000. It is possible to produce hot rolled bullets of another steel grades by national or foreign standards(EN, DIN, ASTM, API ).

•Mechanical properties:
Mechanical properties of rolled round billets for size indicated are in accordance to GOST 1050, GOST 4543, GOST 19281 and GSTU 3-009-2000 or nation and foreign standards.

•Surface quality:

Billet's surface should not show surface cracks and fissures, voids, rolled non-metal inclusions, laps, rolled cavities, folding. Removal (flame cleaning or cleanser) of local defects is accepted. Width/depth ratio should not be less then 6.