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Shandong NO.2 Machinery Co Ltd.
Add:No.1,Hunan Road, Hutian, Zhangdian District, Zibo, Shandong Province, China
Tel:+86-533-2070506
Fax:+86-533-2070501
E-mail:sales@no2machinery.com
Electric Watch Shell

Electric Watch Shell

Material: SUS316L
Density: ≥ 7.8g/cm3
Hardness: ≥ 120 HV10
Tensile strength: ≥500mpa
Yield strength: ≥180mpa
Elongation: ≥50%

Feature:Watch shells are exposed outside, thus, we chose stainless steel 316L which is better than 304. Stainless steel 316 and 304 have the following difference.


First, chemical composition is different: 316 is 2-3 more nickel than 304.

Second, the strength and hardness of 304 and 316 are similar. The difference between them is that the corrosion resistance of 316 is much better than that of 304. The key point is that molybdenum metal is added to 316, which improves its heat resistance.


Third, different maintenance methods: molybdenum can further improve atmospheric corrosion, especially resistance to chloride-containing atmospheric corrosion, so we often choose 304 stainless steel for curtain wall, side wall and roof, but 316 stainless steel is a good choice in some corrosive industries or marine atmospheres.


MIM technology can make various kinds of metal parts. If your part is made of stainless steel, steel, iron and the shape is complex, MIM is the best choice. If you want to make metal components by MIM, you need to send us the parts drawings, including PDF and 3D files in which, we can see the shape, sizes, tolerance and other requirements such as surface treatment, hardness(HRC). Also, we need to know the quantity for the part. Because to make MIM items, the mold is important. To make a mold is around 3000--5500USD that based on the shape, so if the customer have several parts to produce, we suggest to put them in one mold to save cost.

 

 

 

 


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