4Cr5MoSiV Mould Steel Flats

 4Cr5MoSiV grade under GB/T 1299-2014 is a mould steel alloy. Katalor can produce and supply 4Cr5MoSiV hot rolled round bars, 4Cr5MoSiV hot rolled square bars and hot rolled flats. Our 4Cr5MoSiV hot rolled flats are supplied in 10mm to 850mm width. These tolerance are specified as follows:
10mm-310mm Width Hot Rolled Flats Size and Tolerance

Nominal thickness	Tolerance, max.	Nominal thickness	Tolerance, max.
10	+0.70	≥4-6	+0.40
>10-18	+0.80	>6-10	+0.50
>18-30	+1.20	>10-14	+0.60
>30-50	+1.60	>14-25	+0.80
>50-80	+2.30	>25-30	+1.20
>80-160	+2.50	>30-60	+1.40
>160-200	+2.80	>60-100	+1.60
>200-250	+3.00
>250-310	+3.20

310mm-850mm Width Hot Rolled Flats Size and Tolerance

Nominal thickness	Size Tolerance
	Width >300-455		Width >455-850		Width >300-850		Width >510-850
	Thickness tolerance	Width tolerance	Thickness tolerance	Width tolerance	Thickness tolerance	Width tolerance	Thickness tolerance	Width tolerance
6-12	+1.2  0	+5.0  0	+1.5  0	+7.0  0	+1.5  0	+15.0  0	Agreement	agreement
>12-20	+1.2  0	+6.0  -2.0	+1.5  0	+7.0  -3.0	+1.6  0
>20-70	+1.4  0	+6.0  -2.0	+1.7  0	+7.0  -3.0	+1.8  0
>70-90					+3.0  0
>90-100	+2.0  0	+7.0  -3.0	+2.0  0	+10.0  -3.0	+3.0  0		+6.0  0	+6.0  0
>100-200