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pre-treatment

pre-treatment

S185 St33 A33 Fe320 A310-0 A283B A569CQ SS330

Pre-treatment for Shipbuilding steel (ball blasting, derusting,painting)
 
 Surface pretreatment line technical parameters on steel plates and profile steel
  
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

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