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寶鋼冷軋鋼板(CR),電鍍鋅鋼板(SECC)厚度公差標准:
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規定的最小屈服強度
(MPa) |
公稱厚度 |
厚度允許偏差 |
普通精度(PT.A)
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高級精度(PT.B) |
母卷卷寬
|
母卷卷寬 |
≤1200 |
>1200~1500 |
>1500 |
≤1200 |
>1200~1500 |
>1500 |
<260 |
0.30~0.40 |
±0.03 |
±0.04 |
±0.05 |
±0.020 |
±0.025 |
±0.030 |
>0.40~0.60 |
±0.03 |
±0.04 |
±0.05 |
±0.025 |
±0.030 |
±0.035 |
>0.60~0.80 |
±0.04 |
±0.05 |
±0.06 |
±0.030 |
±0.035 |
±0.040 |
>0.80~1.00 |
±0.05 |
±0.06 |
±0.07 |
±0.035 |
±0.040 |
±0.050 |
>1.00~1.20 |
±0.06 |
±0.07 |
±0.08 |
±0.040 |
±0.050 |
±0.060 |
>1.20~1.60 |
±0.07 |
±0.09 |
±0.10 |
±0.050 |
±0.060 |
±0.070 |
>1.60~2.00 |
±0.10 |
±0.11 |
±0.12 |
±0.060 |
±0.070 |
±0.080 |
>2.00~2.50 |
±0.12 |
±0.13 |
±0.14 |
±0.080 |
±0.090 |
±0.100 |
>2.50~3.00 |
±0.14 |
±0.15 |
±0.16 |
±0.100 |
±0.110 |
±0.120 |
>3.00~3.50 |
±0.17 |
±0.19 |
±0.19 |
±0.140 |
±0.150 |
±0.150 |
260~<340 |
0.3~0.4 |
±0.04 |
±0.05 |
±0.06 |
±0.025 |
±0.030 |
±0.035 |
>0.40~0.60 |
±0.04 |
±0.05 |
±0.06 |
±0.030 |
±0.035 |
±0.040 |
>0.60~0.80 |
±0.05 |
±0.06 |
±0.07 |
±0.035 |
±0.040 |
±0.050 |
>0.80~1.00 |
±0.06 |
±0.07 |
±0.08 |
±0.040 |
±0.050 |
±0.060 |
>1.00~1.20 |
±0.07 |
±0.08 |
±0.10 |
±0.050 |
±0.060 |
±0.070 |
>1.20~1.60 |
±0.09 |
±0.11 |
±0.12 |
±0.060 |
±0.070 |
±0.080 |
>1.60~2.00 |
±0.12 |
±0.13 |
±0.14 |
±0.070 |
±0.080 |
±0.100 |
>2.00~2.50 |
±0.14 |
±0.15 |
±0.16 |
±0.100 |
±0.110 |
±0.120 |
>2.50~3.00 |
±0.17 |
±0.18 |
±0.18 |
±0.120 |
±0.130 |
±0.140 |
>3.00~3.50 |
±0.20 |
±0.23 |
±0.23 |
±0.170 |
±0.180 |
±0.180 |
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注:1)當鋼帶厚度小于1.50mm時,鋼帶兩端總長度30m內的厚度允許偏差允許比規定值超出50%; 2)當鋼帶厚度不小于1.50mm時,兩端總長度30m內的厚度允許偏差允許比規定值超出30%。
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