Common knowledge about seamless steel pipes used in process pipelines! Icyuma kitagira karubone kidafite umunwa rusange kandi cyo gukora ni No 10, No 20, na 16mn. Urutonde rwarwo nicyitegererezo ni: Kuzunguruka Hasi-Kuzunguruka Eameter φ 32-630mm, imbeho yashushanyije hejuru diameter φ 6 ~ 200mm, ...
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