Location: CHINA, WAN CHAI HONG KONG

tools steel 4Cr5MoSiV1 /grade H13/ : steel mandrels (rods) .
Tools steel 4Cr5MoSiV1 /grade H13/ : steel mandrels (rods) and gauges (rollers) for pipe rolling mills, H13 - die steel for hot working in accordance with the standard GB/T1299 - 2000. ; number 4cr5MoSiV1; Alloy tool steels, called composite steels, are steels made by adding alloying elements based on a carbon work steel. Working steel includes: gauge tool steel, impact resistant tool steel, cold forming die steel, hot forming die steel, non-magnetic die steel Chemical composition: C 0.32-0,42; Si0,99-1,2 ; Mn0,2-0,5; S <0,03; P < 0,03; Cr 4.5-5,5; Mo 1,2-1,5; V 0,3-0,5; Cu <0,3 Ni <0,4 Detailed Description: used tools made of grade H13 steel mandrels (rods) and gauges (rollers) for pipe rolling mills, for changing the diameter and wall of seamless pipes Chinese standard GB/Т1299-2000