收藏词条 编辑词条 包装用钢带(YB/T025-1992)
33.包装用钢带(YB/T025-1992)
(1)分类见表5-319。
表5-319包装用钢带的分类
分类方法 |
类别 |
符号 |
分类方法 |
类别 |
符号 |
按力学 性能 |
I组钢带 |
I |
按力学 性能 |
Ⅷ组钢带 |
Ⅷ |
Ⅱ组钢带 |
Ⅱ |
Ⅸ组钢带 |
Ⅸ |
||
Ⅲ组钢带 |
Ⅲ |
按制造精度 |
普通精度钢带 |
P |
|
Ⅳ组钢带 |
Ⅳ |
厚度精度较高钢带 |
PH |
||
镰刀弯精度较高钢带 |
HL |
||||
V组钢带 |
V |
按表面状态 |
发蓝钢带 |
F |
|
Ⅵ组钢带 |
Ⅵ |
涂层钢带 |
T |
||
Ⅶ组钢带 |
Ⅶ |
镀锌钢带 |
D |
(2)尺寸规格见表5-320、表5-321。
表5-320包装用钢带的尺寸规格(mm)
厚度 |
宽度 |
||||||||
8 |
10 |
13 |
16 |
19 |
25 |
32 |
40 |
51 |
|
O.25 |
× |
× |
× |
|
|
|
|
|
|
0.30 |
× |
× |
× |
|
|
|
|
|
|
O.36 |
× |
× |
× |
× |
|
|
|
|
|
O.40 |
|
× |
× |
× |
× |
|
|
|
|
O.45 |
|
× |
× |
× |
× |
|
|
|
|
O.50 |
|
× |
× |
× |
× |
|
|
|
|
O.56 |
|
|
× |
× |
× |
|
|
|
|
0.60 |
|
|
|
× |
× |
|
|
|
|
O.70 |
|
|
|
|
× |
× |
|
|
|
O.80 |
|
|
|
|
× |
× |
|
|
|
0.90 |
|
|
|
|
× |
× |
× |
|
|
1.00 |
|
|
|
|
× |
× |
× |
× |
× |
1.12 |
|
|
|
|
× |
× |
× |
× |
× |
1.20 |
|
|
|
|
× |
× |
× |
× |
× |
1.26 |
|
|
|
|
|
|
× |
× |
× |
1.50 |
|
|
|
|
|
|
× |
× |
× |
1.65 |
|
|
|
|
|
|
× |
× |
× |
注:打“×”者为有此规格产品。
表5-321包装用钢带的长度
厚度/mm |
长度/m≥ |
说明 |
≤0.40 |
300 |
短钢带每卷内允许有2~4个接头,接头间长度不小于 |
>0.40~10.70 |
250 |
|
>0.70~11.00 |
200 |
|
>1.00~1.30 |
100 |
|
>1.30 |
70 |
(3)允许偏差见表5-322。
表5-322包装用钢带的允许偏差(mm)
厚度 |
厚度允许偏差 |
宽度允许偏差 |
||
普通精度(P) |
较高精度(H) |
宽度≤32 |
宽度>32 |
|
≤0.40 |
±0.020 |
±0.015 |
±0.10 |
±0.13 |
>0.40~O.70 |
±0.025 |
士O.020 |
||
>0.70~1.30 |
±0.035 |
±0.025 |
||
>1.30~1.90 |
±0.040 |
士0.035 |
(4)牌号和化学成分分别由下列牌号制造:
GB/T700《碳素结构钢》、GB/T1591《低合金高强度结构钢》、GB/T3077《合金结构钢》。其化学成分应符合上述标准的有关规定。
(5)力学和工艺性能见表5-323。
表5-323包装用钢带的力学和工艺性能
组别 |
I |
Ⅱ |
Ⅲ |
Ⅳ |
V |
Ⅵ |
Ⅶ |
Ⅷ |
Ⅸ |
抗拉强度ób /MPa纵向≥ |
275~410 |
370~490 |
≥490 |
≥540 |
≥685 |
≥735 |
≥785 |
≥880 |
≥980 |
伸长率δ5(%)≥ |
25 |
lO |
5 |
5 |
3 |
3 |
8 |
8 |
12 |
反复弯曲R= |
|
|
4 |
4 |
2 |
2 |
6 |
8 |
10 |