热轧钢板和钢带的厚度允许偏差、切边钢板的宽度允许偏差
热轧钢板和钢带的厚度允许偏差
|
公称厚度/mm |
在下列宽度时的厚度允许偏差／mm |
|
600～750 |
>750～1000 |
>1000～1500 |
>1500～2000 |
|
较高精度 |
普通精度 |
较高精度 |
普通精度 |
较高精度 |
普通精度 |
较高精度 |
|
>0.35～0.50 |
±0.05 |
±0.07 |
±0.05 |
±0.07 |
|
|
|
|
>0.50～0.60 |
±0.06 |
±0.08 |
±0.06 |
±0.08 |
|
|
|
|
>0.60～0.75 |
±0.07 |
±0.09 |
±0.07 |
±0.09 |
|
|
|
|
>0.75～0.90 |
±0.08 |
±0.10 |
±0.08 |
±0.10 |
|
|
|
|
>0.90～1.10 |
±0.09 |
±0.10 |
±0.09 |
±0.12 |
|
|
|
|
>1.10～1.20 |
±0.10 |
±0.12 |
±0.11 |
±0.13 |
±0.11 |
±0.15 |
|
|
>1.20～1.30 |
±0.11 |
±0.13 |
±0.12 |
±0.14 |
±0.12 |
±0.15 |
|
|
>1.30～1.40 |
±0.11 |
±0.14 |
±0.12 |
±0.15 |
±0.12 |
±0.18 |
|
|
>1.40～1.60 |
±0.12 |
±0.15 |
±0.13 |
±0.15 |
±0.13 |
±0.18 |
|
|
>1.60～1.80 |
±0.13 |
±0.15 |
±0.14 |
±0.17 |
±0.14 |
±0.18 |
|
|
>1.80～2.00 |
±0.14 |
±0.16 |
±0.15 |
±0.17 |
±0.16 |
±0.18 |
±0.17 |
|
>2.00～2.20 |
±0.15 |
±0.17 |
±0.16 |
±0.18 |
±0.17 |
±0.19 |
±0.18 |
|
>2.20～2.50 |
±0.16 |
±0.18 |
±0.17 |
±0.19 |
±0.18 |
±0.20 |
±0.19 |
|
>2.50～3.00 |
±0.17 |
±0.19 |
±0.18 |
±0.20 |
±0.19 |
±0.21 |
±0.20 |
|
>3.00～3.50 |
±0.18 |
±0.20 |
±0.19 |
±0.21 |
±0.20 |
±0.22 |
±0.22 |
|
>3.50～4.00 |
±0.21 |
±0.23 |
±0.22 |
±0.26 |
±0.24 |
±0.28 |
±0.26 |
|
>4.00～5.50 |
+0.10
-0.30 |
+0.20
-0.40 |
+0.15
-0.30 |
+0.30
-0.40 |
+0.10
-0.40 |
+0.30
-0.50 |
+0.20
-0.40 |
|
>5.50～7.50 |
+0.10
-0.40 |
+0.20
-0.50 |
+0.10
-0.50 |
+0.20
-0.60 |
+0.10
-0.50 |
+0.25
-0.60 |
+0.20
-0.50 |
|
>7.50～10.00 |
+0.10
-0.70 |
+0.20
-0.80 |
+0.10
-0.70 |
+0.20
-0.80 |
+0.20
-0.70 |
+0.30
-0.80 |
+0.20
-0.70 |
|
>10.00～13.00 |
+0.10
-0.70 |
+0.20
-0.80 |
+0.10
-0.70 |
+0.20
-0.80 |
+0.20
-0.70 |
+0.30
-0.80 |
+0.30
-0.70 |
|
>0.35～0.50 |
|
|
|
|
|
|
|
|
>0.50～0.60 |
|
|
|
|
|
|
|
|
>0.60～0.75 |
|
|
|
|
|
|
|
|
>0.75～0.90 |
|
|
|
|
|
|
|
|
>1.10～1.20 |
|
|
|
|
|
|
|
|
>1.20～1.30 |
|
|
|
|
|
|
|
|
>1.30～1.40 |
|
|
|
|
|
|
|
|
>1.40～1.60 |
|
|
|
|
|
|
|
|
>1.60～1.80 |
|
|
|
|
|
|
|
|
>1.80～2.00 |
±0.20 |
|
|
|
|
|
|
|
>2.00～2.20 |
±0.20 |
|
|
|
|
|
|
|
>2.20～2.50 |
±0.21 |
|
|
|
|
|
|
|
>2.50～3.00 |
±0.22 |
±0.23 |
±0.25 |
|
|
|
|
|
>3.00～3.50 |
±0.24 |
±0.26 |
±0.29 |
|
|
|
|
|
>3.50～4.00 |
±0.28 |
±0.30 |
±0.33 |
|
|
|
|
|
>4.00～5.50 |
+0.40
-0.50 |
+0.25
-0.40 |
+0.45
-0.50 |
|
|
|
|
|
>5.50～7.50 |
+0.40
-0.60 |
+0.25
-0.60 |
+0.45
-0.60 |
|
|
|
|
|
>7.50～10.00 |
+0.35
-0.80 |
+0.25
-0.70 |
+0.45
-0.80 |
|
+0.60
-0.80 |
|
|
|
>10.00～13.00 |
+0.40
-0.80 |
+0.35
-0.70 |
+0.50
-0.80 |
|
+0.70
-0.80 |
|
+1.00
-0.80 |
|
公称厚度
(钢板或钢带)／mm |
负偏差
／mm |
下列宽度的厚度允许正偏差／mm |
|
>1000～1200 |
>1200～1500 |
>1500～1700 |
>1700～1800 |
>1800～2000 |
>2000～2300 |
>2300～2500 |
|
>13～25 |
0.8 |
0.2 |
0.2 |
0.3 |
0.4 |
0.6 |
0.8 |
0.8 |
|
>25～130 |
0.9 |
0.2 |
0.2 |
0.3 |
0.4 |
0.6 |
0.8 |
0.9 |
|
>30～34 |
1.0 |
0.2 |
0.3 |
0.3 |
0.4 |
0.6 |
0.8 |
0.9 |
|
>34～40 |
1.1 |
0.3 |
0.4 |
0.5 |
0.6 |
0.7 |
0.9 |
1.0 |
|
>40～50 |
1.2 |
0.4 |
0.5 |
0.6 |
0.7 |
0.8 |
1.0 |
1.1 |
|
>50～60 |
1.3 |
0.6 |
0.7 |
0.8 |
0.9 |
1.0 |
1.1 |
1.1 |
|
>60～80 |
1.8 |
|
|
1.0 |
1.0 |
1.0 |
1.0 |
1.1 |
|
>80～100 |
2.0 |
|
|
1.2 |
1.2 |
1.2 |
1.2 |
1.3 |
|
>100～150 |
2.2 |
|
|
1.3 |
1.3 |
1.3 |
1.4 |
1.5 |
|
>150～200 |
2.6 |
|
|
1.5 |
1.5 |
1.5 |
1.6 |
1.7 |
|
公称厚度
(钢板或钢带)/mm |
下列宽度的厚度允许正偏差／mm |
|
>2500～2600 |
>2600～2800 |
>2800～3000 |
>3000～3200 |
>3200～3400 |
>3400～3600 |
>3600～3800 |
|
>13～25 |
1.0 |
1.1 |
1.2 |
|
|
|
|
|
>25～30 |
1.0 |
1.1 |
1.2 |
|
|
|
|
|
>30～34 |
1.0 |
1.2 |
1.3 |
|
|
|
|
|
>34～40 |
1.1 |
1.3 |
1.4 |
|
|
|
|
|
>40～50 |
1.2 |
1.4 |
1.5 |
|
|
|
|
|
>50～60 |
1.2 |
1.3 |
1.5 |
|
|
|
|
|
>60～80 |
1.2 |
1.3 |
1.3 |
1.3 |
1.3 |
1.4 |
I.4 |
|
>80～100 |
1.3 |
1.3 |
1.4 |
1.4 |
1.4 |
1.4 |
1.4 |
|
>100～150 |
1.5 |
1.6 |
1.6 |
1.6 |
1.6 |
1.6 |
1.6 |
|
>150～200 |
1.7 |
1.7 |
1.8 |
1.8 |
1.8 |
1.8 |
1.8 |
切边钢板的宽度允许偏差
|
公称厚度／mm |
≤4 |
>4～16 |
>16～60 |
>60 |
|
宽度／mm |
≤800 |
>800 |
≤1500 |
>1500 |
所有宽度 |
所有宽度 |
|
宽度允许偏差／mm |
+6 |
+10 |
+10 |
+15 |
+30 |
+35 |
钢带的宽度允许偏差
|
切边钢带 |
不切边钢带 |
|
钢带宽度／mm |
宽度允许偏差／mm |
钢带宽度／mm |
宽度允许偏差／mm |
|
680～1000 |
+5 |
≤1000 |
+20 |
|
>1000 |
+10 |
>18(D |
+30 |
纵剪钢带的宽度允许偏差
|
公称宽度／mm |
在下列厚度时的宽度允许偏差／mm |
|
≤4.0 |
>4.0～6.0 |
>6.0～8.0 |
>8.0 |
|
≤160 |
±0.5 |
±0.8 |
±1.0 |
±1.2 |
|
>160～250 |
±0.5 |
±1.0 |
±1.2 |
土1.4 |
|
>250～600 |
±1.0 |
±1.0 |
±1.2 |
±1.4 |
热轧钢板的长度允许偏差
|
公称厚度／mm |
≤4 |
>4～16 |
>16～60 |
>60 |
|
钢板长度／mm |
≤1500 |
>1500 |
≤2000 |
>2000～6000 |
>6000 |
≤2000 |
>2000～6000 |
>6000 |
所有长度 |
|
长度允许偏差／mm |
+10 |
+15 |
+10 |
+25 |
+30 |
+15 |
+30 |
+40 |
+50 |
热轧钢板和钢带的外形
|
钢板的平面度 |
钢带的镰刀弯 |
|
公称厚度／mm |
≤1.5 |
>1.5～4 |
>4～10 |
>10～25 |
>25 |
每m不得
大于3mm |
|
平面度／(mm／m) |
15 |
12 |
10 |
8 |
7 |
注：表中规定的平面度只适用于屈服点下限值不超过460MPa的钢板，屈服点超过的以及进行调质的钢板，其平面度最大值为表内规定的1.5倍。
