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| Categories | Custom Metal Bolts |
|---|---|
| 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: | 2000 pieces |
| Price: | $0.10/pieces 2000-9999 pieces |
| Company Info. |
| Shenzhen Juhao Hardware Technology Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
item | value |
Material | stainless steel, Steel |
Measurement system | INCH |
Place of Origin | China |
Brand Name | OEM&ODM |
Standard | DIN |
Material: | Steel/SUS304 |






















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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