Klas Steel: Q195–Q345, S235JR, S275JR, S355JR, GR.BD, STK500 Standard: GB/T3091–2001, BS1387–1985, DIN EN10025, EN10219, JIS G3444:2034, ASTMA534 SCH40/80/STD, BS-EN10255-2004 Sifas Fini: galvanised cho plonje, elektwo galvanised, nwa, pentire, threaded, priz, grave. Dyamèt ekstèn (mwen...
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