タイトルまたは説明

(1). extrusion seamless circular pipe 　 Outer diameter scope: *5mm ~ **0mm 　 Wall thickness scope: 5mm ~ *0mm (2). cold-drawings, roll over the circular pipe 　　Outer diameter scope: 6mm ~ **0mm 　　Wall thickness scope: 0.5mm ~ 5.0mm (3). cold-drawings squares, rectangular tube 　　Length of side scope: *0mm ~ *0mm 　　Wall thickness scope: 1.0mm ~ 5.0mm (4). cold-drawings ellipses tube 　　Major axis scope: *7mm ~ **4.5mm 　　Minor axis scope: *1.5mm ~ *8.5mm 　　Wall thickness: 1.0mm ~ 2.5mm