Tolerence Chart
Chart SS Round Bars as per ASTM A 484
| Size Range in inch |
Tolerence |
| 1/16" to less than 5/16" |
+/-0.001" |
| 5/16" to less than 1/2" |
+/-0.0015" |
| 1/2" to less than 1" |
+/-0.002" |
| 1" to less than 1-1/2" |
+/-0.0025" |
| 1-1/2" to less than 4" |
+/-0.003 |
Cold finished Hexagon and Square Bars
| Size Range in inch |
Tolerence |
| 1/16" to less than 5/16" |
+/-0.002" |
| 5/16" to less than 1/2" |
+/-0.003" |
| 1/2" to less than 1" |
+/-0.004" |
| 1" to less than 2" |
+/-0.006" |
| 2" to less than 3" |
+/-0.008" |
| 3" and over |
+/-0.010" |
Tolerence chart for SS Round Bars as per ISO
| Size Range (mm) |
h8 |
h9 |
h10 |
h11 |
h12 |
h13 |
k12/k13 |
| Upto 6 |
-0.018 |
-0.030 |
-0.048 |
-0.075 |
-0.120 |
-0.180 |
− |
| Over 6 upto 10 |
-0.022 |
-0.036 |
-0.058 |
-0.090 |
-0.150 |
-0.220 |
− |
| Over 10 upto 18 |
-0.027 |
-0.043 |
-0.070 |
-0.110 |
-0.180 |
-0.270 |
− |
| Over 18 upto 30 |
-0.033 |
-0.052 |
-0.084 |
-0.130 |
-0.210 |
-0.330 |
+0.10/+0.15 |
| Over 30 upto 50 |
-0.039 |
-0.062 |
-0.100 |
-0.160 |
-0.250 |
-0.390 |
+0.15/+0.20 |
| Over 50 upto 80 |
-0.046 |
-0.074 |
-0.120 |
-0.190 |
-0.300 |
-0.460 |
+0.20/+0.25 |
| Over 80 upto 120 |
-0.054 |
-0.087 |
-0.140 |
-0.220 |
-0.350 |
-0.540 |
+0.25/+0.30 |