| ASTM A240 A480 steel sheet'sthickness tolerance. |
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| 1. ASTM A480hot rolled sheet/coil thickness tolerance. |
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| thcikness，in.[mm] |
Deviation, allowed for the specified width
（w）,±，in.[mm] |
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| w≤60[1525] |
w＞60[1525] |
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| 0.072[1.83] |
0.006[0.15] |
0.009[0.22] |
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| ＞0.072[1.83]-0.083[2.11] |
0.007[0.18] |
0.010[0.25] |
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| ＞0.083[2.11]-0.098[2.49] |
0.008[0.20] |
0.011[0.27] |
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| ＞0.098[2.49]-0.114[2.90] |
0.009[0.23] |
0.012[0.30] |
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| ＞0.114[2.90]-0.130[3.30] |
0.011[0.27] |
0.013[0.33] |
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| ＞0.130[3.30]-0.145[3.68] |
0.012[0.30] |
0.013[0.33] |
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| ＞0.145[3.68]-0.1875[4.76] |
0.013[0.33] |
0.014[0.35] |
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| ＞0.1875[4.76]-0.250[6.35] |
-0.010[0.25],+0.020[0.50] |
-0.010[0.25],+0.020[0.50] |
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| ＞0.250[6.35]-0.3125[7.94] |
-0.010[0.25],+0.022[0.55] |
-0.010[0.25],+0.022[0.55] |
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| ＞0.3125[7.94] |
-0.010[0.25],+0.030[0.75] |
-0.010[0.25],+0.030[0.75] |
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| 2. ASTM A480cold rolled sheet/plate thickness tolerance |
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| thcikness ，in.[mm] |
Deviation, allowed for the specified width
（w）,±，in.[mm] |
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| W≤40[1000] |
40[1000]＜w≤50[1300] |
50[1300]＜w≤84[2100] |
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| 0.012[0.30] |
0.001[0.030] |
- |
- |
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| 0.016[0.40] |
0.0015[0.04] |
0.0015[0.04] |
- |
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| 0.020[0.50] |
0.0015[0.04] |
0.0015[0.04] |
- |
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| 0.024[0.60] |
0.002[0.05] |
0.002[0.05] |
- |
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| 0.032[0.80] |
0.002[0.05] |
0.002[0.05] |
- |
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| 0.040[1.00] |
0.0025[0.06] |
0.0025[0.06] |
0.003[0.08] |
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| 0.047[1.20] |
0.003[0.08] |
0.003[0.08] |
0.003[0.08] |
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| 0.059[1.50] |
0.003[0.08] |
0.003[0.08] |
0.004[0.10] |
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| 0.079[2.00] |
0.004[0.10] |
0.004[0.10] |
0.0045[0.11] |
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| 0.098[2.50] |
0.004[0.10] |
0.004[0.10] |
0.005[0.13] |
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| 0.118[3.00] |
0.005[0.13] |
0.005[0.13] |
0.006[0.15] |
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| 0.157[4.00] |
0.007[0.17] |
0.007[0.17] |
0.007[0.17] |
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| 0.197[5.00] |
0.007[0.17] |
0.007[0.17] |
0.0075[0.19] |
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| 0.236[6.00] |
0.007[0.17] |
0.008[0.20] |
0.009[0.23] |
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| 0.3125[8.00] |
0.007[0.17] |
0.009[0.23] |
0.010[0.25] |
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| 3. ASTMA480 hot rolld plate with greater width |
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| thcikness (t)，in.[mm] |
width(w)，in.[mm] |
| w≤84[2134] |
84[2134]＜w≤120[3048] |
120[3048]＜w≤144[3658] |
w＞144[3658] |
| thickness + C，in.[mm] |
| t＜3/16[4.76] |
0.055[1.35] |
0.070[1.78] |
- |
- |
| 3/16[4.76]≤t＜3/8[9.52] |
0.045[1.14] |
0.050[1.27] |
0.085[2.16] |
- |
| 3/8[9.52]≤t＜3/4[19.05] |
0.055[1.40] |
0.060[1.52] |
0.085[2.16] |
0.090[2.29] |
| 3/4[19.05]≤t＜1[25.40] |
0.060[1.52] |
0.065[1.65] |
0.085[2.16] |
0.100[2.54] |
| 1[25.40]≤t＜2[50.80] |
0.070[1.78] |
0.075[1.90] |
0.095[2.41] |
0.115[2.92] |
| 2[50.80]≤t＜3[76.20] |
0.125[3.20] |
0.150[3.80] |
0.175[4.45] |
0.200[5.08] |
| 3[76.20]≤t＜4[101.6] |
0.150[3.81] |
0.160[4.06] |
0.200[5.08] |
0.225[5.72] |
| 4[101.6]≤t＜6[152.4] |
0.180[4.57] |
0.200[5.08] |
0.335[8.50] |
0.355[9.02] |
| 6[152.4]≤t＜8[203.2] |
0.235[6.00] |
0.255[6.48] |
0.355[9.02] |
0.435[11.0] |
| 8[203.2]≤t＜10[254.0] |
0.315[8.00] |
0.335[8.50] |
0.435[11.0] |
0.550[14.0] |
