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Deep Drawing Quality Material
- Jul 30, 2018 -

DDQ (deep drawing quality) material: refers to the material used for deep drawing, which is also known as soft material. This material is characterized by high elongation rate (scatter 53%), low hardness (no more than 170%), and internal grain size between 7.0 and 8.0, with excellent deep drawing performance. Many manufacturers of thermos flasks and POTS have higher BLANKING SIZE/ product diameter, and their processing ratios are 3.0, 1.96, 2.13 and 1.98 respectively. SUS304DDQ is mainly used for these products with high processing ratio. Of course, products with a processing ratio of more than 2.0 usually need several times of stretching. If the extension of raw materials cannot be reached, the product is prone to crack and tear when processing deep drawing products, which affects the qualified rate of finished products, and of course increases the cost of manufacturers

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