pre-treatment
|
items
|
name
|
unit
|
Type1
|
Type2
|
Type3
|
|
1
|
workpiece width
|
mm
|
2500-
|
3500-
|
4500-
|
|
2
|
Steel plate width(Max)
|
mm
|
2500
|
3500
|
4500
|
|
3
|
Steel plate thickness
|
mm
|
3~60
|
3~60
|
3~100
|
|
4
|
Profile steel min cross section
|
mm*mm
|
60*80
|
60*80
|
------
|
|
5
|
Profile steel max cross section
|
mm*mm
|
1000*300
|
1000*300
|
------
|
|
6
|
workpiece min length
|
mm
|
2400
|
2400
|
2400
|
|
7
|
workpiece max length
|
mm
|
12000
|
12000
|
12000
|
|
8
|
Shot blasting grade
|
|
ISO8501-1,1988
|
GB8923-88
|
(Bsa2.5)
|
|
9
|
surface roughness
|
μm
|
40~70
|
40~70
|
40~70
|
|
10
|
Film thickness
|
μm
|
15~25
|
15~25
|
15~25
|
|
11
|
Paint type
|
|
Drying-type Zinc-rich primer
|
Drying-type Zinc-rich primer
|
Drying-type
|
|
Zinc-rich primer
|
Source:
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