Brushed Polished Stainless Steel Sheet 430 2B Surface Sheet Metal Customized

Overview and application of surface characterization method

430/2B stainless steel is 430 stainless steel with a 2B surface, commonly known as 430 matte stainless steel. The properties, density and composition of 430/2B stainless steel are exactly the same as those of 430 stainless steel. 430 stainless steel is a general-purpose steel with good corrosion resistance. Its thermal conductivity is better than that of austenite, its thermal expansion coefficient is smaller than that of austenite, it is resistant to thermal fatigue, and it is added with stabilizing element titanium, so it has good mechanical properties in the weld. Due to its relatively low price, 430 stainless steel has become the alternative to 304 stainless steel in many applications.
430/2B stainless steel is only one of the 430 stainless steel surface finishes. The state of 430 stainless steel is different, and the resistance to dirt and corrosion is also different. There are a total of the following states:
NO.1, 1D, 2D, 2B, N0.4, HL, BA, Mirror and various other surface treatment states.

Product of description

Features and processing technology

1D—The surface has discontinuous granularity, also known as matte surface. Processing technology: hot rolling + annealing shot peening pickling + cold rolling + annealing pickling.
2D—Slightly lustrous silvery white. Processing technology: hot rolling + annealing shot peening pickling + cold rolling + annealing pickling. the
2B—Silver white with better gloss and flatness than 2D surfaces. Processing technology: hot rolling + annealing shot peening pickling + cold rolling + annealing pickling + temper rolling.
BA—Excellent surface gloss, high reflectivity, like a mirror surface. Processing technology: hot rolling + annealing shot peening pickling + cold rolling + annealing pickling + surface polishing + temper rolling.
No.3—has good glossiness and rough texture on the surface. Processing technology: 2D products or 2B are polished and tempered with 100~120 abrasive materials (JIS R6002). the
No.4— has good gloss and fine lines on the surface. Processing technology: 2D products or 2B are polished and tempered with 150~180 abrasive materials (JIS R6002).
HL—silver gray with hairline streaks. Processing technology: Polish 2D or 2B products with abrasive materials of appropriate particle size to make the surface show continuous grinding lines.

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