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Black white zinc plated hex socket head allen bolt m6 m8 x 45 stainless din 912 screw allen bolts

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US$ 0.09
≥2000 Pieces
US$ 0.05
≥20000 Pieces
US$ 0.03
≥50000 Pieces
US$ 0.01
≥200000 Pieces

Quick Details

Finish:
ZINC, Black
Material:
Steel
Place of Origin:
Guangdong, China
Brand Name:
JUHAO
Product Details
OUR FACTORY
Product Description
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Question 1
1.Why is stainless steel magnetic?
304 stainless steel belongs to austenitic stainless steel, austenite in the cold working process in part or a small amount of
transformation into martensite, martensite is magnetic, so 304 stainless steel is non-magnetic or slightly magnetic.
Question 2
2. How to identify authentic 304 stainless steel products?
①Support 304 stainless steel special test potion detection, if not discoloured for the authentic 304 stainless steel
② support chemical composition analysis, spectral analysis
③ support salt spray test, simulate the actual use of the environment
Question 3
3. What are the most commonly used stainless steel?
① 201 stainless steel, suitable for use in dry environments, easy to rust in water
② 304 stainless steel, outdoor or wet environment, corrosion resistance and acid resistance
③ 316 stainless steel, plus molybdenum, more corrosion resistance and pore erosion resistance, especially for seawater and
chemical media