Tabung baja anu seamless pikeun pipa pabrik, pipa pipa, peralatan sareng struktur mékanis
Tube Seamless pikeun struktur
GB / T 8162-2008 10 Uji # 20 # Baja, 35 # Baja, 45 # Baja, Q445, jsb
Baja karbon anu seamu
Astma A519-2006 1018, 1026, 8620, jsb
Anu panas-digulung non-alfal struktural séksal sareng baja struktur
BS en 10210-126 s235grh, s275joh, s275j2h2h2
Seamless, dilas sareng tip baja karasa baja galsvanized
Astm A53 / A53m-2012 gr. A, gr.b
