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Finish : ZINC, black
Material : Stainless steel, Steel, Steel/SUS304
Place of Origin : Guangdong, China
Brand Name : JUHAO
Model Number : hex head bolts and nuts
Standard : DIN,ISO,GB
Shipping way : dhl.ups,ems,Hk post ,China post
quality : original
Screw head type : Hexagon
Delivery time : 5-15 Days
Certificate : ISO9001:2015
MOQ : 1000 pieces
Price : $0.15/pieces 1000-9999 pieces
Certificate | ISO9001:2015 |
Color | Customized Colors |
Delivery time | 7-25 Days |
Package | PE Bag+Carton+Pallet |
QUALITY control | 100% Inspection Berore Shipment |
Advantage | OEM ODM Customized Service Provided |
Material | Carbon steel/Stainless steel/brass |
Screws type | Hex head bolts |
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 |
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ISO9001 2015 Certified Hexagon Grade 8.8 10.9 M5 M6 M8 M10 M12 M16 Bolts and Nuts Images |