pre-treatment

 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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