Kelas Baja: Q195–Q345, S235JR, S275JR, S355JR, GR.BD, STK500 Standar: GB/T3091–2001, BS1387–1985, DIN EN10025, EN10219, JIS G3444/2004/2004 -2004 Permukaan Rampung: panas dicelup galvanis, elektro galvanis, ireng, dicet, Utas, soket, ukir. Diameter njaba (...
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