pre-treatment

Pre-treatment for Shipbuilding steel (ball blasting, derusting,painting)

steel pre-treatment

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
11	Paint type		Drying-type Zinc-rich primer	Drying-type Zinc-rich primer	Zinc-rich primer

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