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Stainless Steel Hot Rolled Bars

Main products

Grade

Size(mm)

Length(mm)

Standard

Hot Rolled Bars

303, 303Cu, 304/L, 316/L,310S, 321, 410, 420, 416, 17-4PH, 201Cu

15 / 16 / 18 / 20 / 22 / 25 / 28 / 30 / 32 / 35 / 40 / 45 / 50 / 55 / 60 / 65 / 75 / 90 / 105 / 125 / 130 / 150

4000-7500

GB JIS

ASTM EN DIN

Introduction Details

3. Dimension and Tolerance of Hot-Rolled Round Bar (GB/T702):

Diameter	Precision Tolerance
Diameter	1 Level	Ⅱ Level	Ⅲ Level
> 20 - 30	± 0.30	± 0.40	± 0.50
> 30 - 50	± 0.40	± 0.50	± 0.60
> 50 - 80	± 0.60	± 0.70	± 0.80
> 80 - 110	± 0.90	± 1.00	± 1.10
> 110 - 150	± 1.20	± 1.30	± 1.40
> 150 - 200	± 1.60	± 1.80	± 2.00
> 200 - 280	± 2.00	± 2.50	± 3.00
> 280 - 310	± 2.50	± 3.00	± 5.00

6. Round Steel ISO Tolerence “h Series” in Millimeters ISO 286-2 Round Bar Tolerence:

Nominal Size Diameter (mm)	H5	H6	H7	H8	H9	H10	H11	H12
1 - 3	-0.004	-0.006	-0.01	-0.014	-0.025	-0.04	-0.06	-0.100
1 - 3	(-0.00016″)	(-0.00024″)	(-0.00039″)	(-0.00055″)	(-0.00098″)	(-0.00158″)	(-0.00236″)	(-0.00394″)
> 3 - 6	-0.005	-0.008	-0.012	-0.018	-0.03	-0.048	-0.075	-0.0120
> 3 - 6	(-0.00020″)	(-0.00032″)	(-0.00047″)	(-0.00071″)	(-0.00118″)	(-0.00189″)	(-0.00295″)	(-0.00472″)
> 6 - 10	-0.006	-0.009	-0.015	-0.022	-0.036	-0.058	-0.09	-0.150
> 6 - 10	(-0.00024″)	(-0.00035″)	(-0.00059″)	(-0.00086″)	(-0.00142″)	(-0.00228″)	(-0.00354″)	(-0.00591″)
> 10 - 18	-0.008	-0.011	-0.018	-0.027	-0.043	-0.07	-0.11	-0.18
> 10 - 18	(-0.00032″)	(-0.00043″)	(-0.00071″)	(-0.0010″)	(-0.00169″)	(-0.00275″)	(-0.00438″)	(-0.00709″)
> 18 - 30	-0.009	-0.013	-0.021	-0.033	-0.052	-0.084	-0.013	-0.210
> 18 - 30	(-0.00035″)	(-0.00051″)	(-0.00083″)	(-0.00129″)	(-0.00205″)	(-0.00331″)	(-0.00512″)	(-0.00827″)
> 30 - 50	-0.011	-0.016	-0.025	-0.039	-0.062	-0.1	-0.16	-0.250
> 30 - 50	(-0.00043″)	(-0.00063″)	(-0.00098″)	(-0.00153″)	(-0.00244″)	(-0.00393″)	(-0.00630″)	(-0.00984″)
> 50 - 80	-0.013	-0.019	-0.03	-0.046	-0.074	-0.12	-0.19	-0.300
> 50 - 80	(-0.00051″)	(-0.00075″)	(-0.00118″)	(-0.00181″)	(-0.00291″)	(-0.00472″)	(-0.00748″)	(-0.01181″)
> 80 - 120	-0.015	-0.022	-0.035	-0.054	-0.087	-0.14	-0.22	-0.350
> 80 - 120	(-0.00059″)	(-0.00087″)	(-0.00138″)	(-0.00213″)	(-0.00343″)	(-0.00551″)	(-0.00866″)	(-0.01378″)
> 120 - 180	-0.018	-0.025	-0.04	-0.063	-0.1	-0.16	-0.25	-0.400
> 120 - 180	(-0.00071″)	(-0.00098″)	(-0.00158″)	(-0.00248″)	(-0.00393″)	(-0.00629″)	(-0.00984″)	(-0.01575″)
> 180 - 250	-0.02	-0.029	-0.046	-0.072	-0.115	-0.185	-0.29	-0.460
> 180 - 250	(-0.00079″)	(-0.00114″)	(-0.00181″)	(-0.00283″)	(-0.00453″)	(-0.00723″)	(-0.01142″)	(-0.01811″)