Stainless Steel Pipe Fittings

Stainless steel elbow compared with carbon steel elbow

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The material of stainless steel elbow, usually on the basis of the carbon steel elbow increased the proportion of Cr, Ni alloy, such as content ratio can reach more than 20%. Common steel grade are: 304、 304 L、 321、 316、 316 L、 1 cr18ni9ti、 0 cr18ni9, its chemical composition can keep the elbow surface for a long time will not rust, does not corrode.
2. The characteristics of the stainless steel elbow, stainless steel elbow strength higher than that of carbon steel elbow, toughness is better than carbon steel elbow, stainless steel elbow corrosion resistance is strong. So in the chemical industry, papermaking and places of strong corrosive must use the stainless steel elbow, instead of using the carbon steel elbow. Due to the nature of the stainless steel elbow, the cost is also high in use.
As aviation, aerospace, petroleum, chemical industry, metallurgy and food industry of booming development, such as stainless steel materials has been widely used, and the stainless steel stamping elbow materials because of the great toughness, high strength, low thermal conductivity, heat cutting large plastic deformation, the strain hardening, cutting heat, heat dissipation problem more severe, causing elbow high cutting temperature, cutting blade severe adhesion, easy to produce the devolop tumor, exacerbating the stainless steel stamping elbow wear and tear, and the processing surface coarse degree.
Stainless steel stamping elbow the geometric Angle of cutting department, for the stainless steel stamping elbow machining yield rate, cutting tool costs, processed surface coarse degree, cutting force and work hardening etc all have great influence, reasonable choice and improve the efficiency of cutting tool geometry parameter is to guarantee the processing quality and progress, the effective ways to reduce capital.
The choice of cutting tool materials
Accurate selection of cutting tool materials is to ensure efficient processing of stainless steel stamping elbow determinants. According to characteristics of the cutting of the stainless steel stamping elbow, cutting tool material should have sufficient strength, high toughness, high hardness and wear resistance and stainless steel stamping elbow adhesion. Commonly used cutting tool materials have cemented carbide and high-speed steel two kinds big, complex shape of the cutter adopts high speed steel material. Because of the high speed steel cutting stainless steel stamping elbow when cutting speed cannot too tall, thus affect the progress of the production efficiency. For a simple tool cutting tool, cutting tool material should choose high strength, good thermal conductivity carbide, because of its hardness, wear resistance function is better than that of hot pressing elbow.
Source: Zhejiang Yaang Pipe Industry Co., Limited (www.yaang.com)

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Pipe Fittings

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