430 BA Finish Stainless Steel Coil
430 stainless steel is one kind of common steel with good corrosion resistance, better thermal conductivity than austenitic,smaller Coefficient of thermal expansion than austenite,heat resistant fatigue, added stabilized element titanium, good mechanical property of weld part .
Chemical composition of 430 stainless steel coil:
C:≤0.12% Si:≤0.75% Mn:≤1% P:≤0.040% S:≤0.030% Ni:≤0.60% Cr:16 ~ 18%
Surface grade of 430 stainless steel coil:
different state , dirt and corrosion resistance are not the same. NO.1, 1D, 2D, 2B, N0.4, HL, BA, Mirror, and other surface treatment.
1)1D:The surface has a discontinuous granular, also known as the fog surface.
Processing: hot rolling + annealing shot blasting pickling + cold rolling + annealing pickling.
2)2D:slightly shiny silver-white
Processing: hot rolling + annealing shot blasting pickling + cold rolling + annealing pickling.
3)2B:Silver white and better than the 2D surface gloss and smooth flatness.
Processing: hot rolling + annealing shot blasting pickling + cold rolling + annealing pickling + quenching and tempering rolling
4)BA:Excellent surface gloss, has a high reflectivity, as the mirror surface
Processing technology: hot rolling + annealing shot blasting pickling + cold rolling + annealing pickling + surface polishing + quenching and tempering rolling
5)N0.3:Has a good gloss, surface was rough lines
Processing: 2D products or 2B with 100~120 (JIS R6002) abrasive material polishing and temper rolling.
6)No.4:Have better gloss, surface is fine lines.
Processing: 2D products or 2B with 150~180 (JIS R6002) abrasive material polishing and temper rolling.
7)HL:Gray hair and stripes.
Processing technology: the 2D or 2B products with the appropriate size of the abrasive material for polishing the surface of a continuous grinding
8)Mirror:In a state of mirror
Processing technology: the 2D or 2B products with the appropriate size of the abrasive material for grinding and polishing to the mirror effect
Application of 430 stainless steel coil
1)Electronic products, tableware, screen and burner
2)Decorative material and outdoor advertising column
3)Products with resistance to stress corrosion
4)Building decoration, household appliances, fuel burner parts, home appliance parts etc.
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