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"Xi Lian"
brand Blue Packing Steel strips are manufactired by selected fine
materials with cold rolling and head-treating processing.
It has the features
of even thickness, stable performance, and good antirust vharacter,
which is suitable for the binging and packing of paper box, wooden
case, tray, wood timber, cotton and hemp,and steels etc. |
| A. Specifications of Thickness and Width: |
| thickness |
width |
| BWG |
inch |
mm |
inch |
mm |
| 18 |
0.049 |
1.24 |
 |
19.0 22.2 25.4 28.6 31.8 34.9 38.1 41.3
44.4 47.7 50.8 |
| 19 |
0.042 |
1.07 |
 |
19.0 22.2 25.4 28.6 31.8 34.9 38.1 |
| 20 |
0.035 |
0.89 |
|
19.0 22.2 25.4 28.6 31.8 34.9 38.1 |
| 21 |
0.032 |
0.81 |
 |
15.9 19.0 22.2 25.4 |
| 22 |
0.028 |
0.71 |
 |
15.9 19.0 22.2 25.4 |
| 23 |
0.025 |
0.64 |
|
12.7 15.9 19.0 |
| 24 |
0.022 |
0.56 |
|
12.7 15.9 19.0 |
| 25 |
0.020 |
0.51 |
|
12.7 15.9 |
| 26 |
0.018 |
0.46 |
 |
12.7 15.9 |
| 27 |
0.016 |
0.41 |
|
12.7 15.9 |
| 28 |
0.014 |
0.36 |
|
12.7 15.9 |
| 29 |
0.013 |
0.33 |
|
12.7 15.9 |
| 30 |
0.012 |
0.30 |
|
12.7 15.9 |
| 31 |
0.010 |
0.25 |
|
12.7 15.9 |
| 32 |
0.009 |
0.23 |
|
12.7 15.9 |
| 33 |
0.008 |
0.20 |
|
12.7 15.9 |
| Note: Outside of the above mentioned specifications also can be
produced according to clent's orders. |
| B. Tolerance of Thickness & Width: |
| thickness（H） |
tolerance of thickness |
tolerance of width |
| H＜0.25 |
±0.02 |
-0.30 |
| 0.25～0.40 |
±0.02 |
-0.30 |
| 0.40～0.60 |
±0.03 |
-0.30 |
| 0.60～0.80 |
±0.04 |
-0.40 |
| 0.80～1.00 |
±0.05 |
-0.40 |
| 1.00～1.24 |
±0.06 |
-0.40 |
| C. Mechanics Property of Steel Strips: |
 |
tensile strengty |
extensibility |
| Nf/mm2 |
not less than |
| 1 |
280～420 |
25 |
| 2 |
380～500 |
10 |
| 3 |
> 500 |
5 |
| 4 |
> 700 |
3 |
| 5 |
> 800 |
8 |
| 6 |
> 1000 |
12 |
| D. Sheet Type (1) irregular rate ≤3mm (2)
bending ≤3mm/m |
| E. Surface: Blue treatment by electric furnace. |
| F. Package: The blue packing strips are coated by antirust grease
and are packed by oilpaper and gunny cloth. Each roll is about 15kg
grams in one strip, and three rolls are bundled up in one bundle.
Each tray contains about one metric tons of bundless' steel strips. |
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