Sign In | Join Free | My wneducation.com |
|
Finish : Black, ZINC, Plain, Black Oxide, ZINC PLATED
Material : Stainless steel, Steel
Measurement system : Metric
Head Style : HEX
Place of Origin : Guangdong, China
Brand Name : JUHAO
Model Number : Hex head self tapping screw
Standard : DIN,ISO,GB,ANSI
Package : Plastic Bag + Carton Box + Pallet
Certificate : ISO9001:2015 ISO14000 TS16949
Advantage : OEM Customized Service Provided
Delivery time : 3-20days
Quality control : 100% Inspection Berore Shipment
MOQ : 5000 pieces
Price : $0.13/pieces 5000-19999 pieces
Finish | Plain |
Material | stainless steel |
Brand Name | OEM&ODM |
Product name | Stainless steel hex socket head cap screw long bolt partially thread |
Shipping | 7-30 Days |
MOQ | 10000 |
Surface Finish | origin |
Length | Customized |
Package | Plastic Bag + Carton Box + Pallet |
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 |
![]() |
Extra Long Sizes M4 M5 M6 M8 M3.5 Stainless Steel 304 Self Tapping Screw for Control Images |