| Sign In | Join Free | My benadorassociates.com | 
              
  | 
      
| Categories | Custom Metal Screws | 
|---|---|
| Finish: | Black, ZINC, Plain, Black Oxide, ZINC PLATED, Zinc-aluminum Coated, Chrome Plated, Blue Anodized, Blue | 
| Material: | Stainless steel, Steel | 
| Measurement system: | Metric | 
| Head Style: | Pan, Truss, Flat, Oval, Round, Cheese, Torx | 
| Place of Origin: | Guangdong, China | 
| Brand Name: | JUHAO | 
| Model Number: | Torx screw | 
| Standard: | GB,ISO,DIN,ANSI | 
| Advantage: | OEM / ODM Customized Service Provided | 
| Quality Control: | 100% Inspection Berore Shipment | 
| Certificate: | ROHS ISOISO9001:2015 | 
| Sample: | Provide Sample | 
| Delivery time: | 5-25 Days | 
| Surface treatment: | Plain.Black.Blue Zinc Plate. HDG | 
| Packaging Details: | Inner PE Bag+Carton+Pallet | 
| Supply Ability: | 1000000 Piece/Pieces per Month | 
| MOQ: | 1000 pieces | 
| Price: | $0.20/pieces 1000-9999 pieces | 
| Company Info. | 
| Shenzhen Juhao Hardware Technology Co., Ltd. | 
| Verified Supplier | 
| View Contact Details | 
| Product List | 






















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  | 


                                 
                             |