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天津市北辰区中关村可信产业园B9-1 Address: B9-1, Trustworthy Industrial Park, Zhongguancun, Beichen District, Tianjin

15522233345 Mobile: 15522233345

许宗涛 Contact: Xu Zongtao

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Title: High Pressure Pipe 14
Brief introduction: In simple terms, 20 # is the steel number of ordinary seamless steel tubes, and 20G is the steel type of high-pressure boiler tubes. Below we compare them from various aspects: 20 #, 20G is in chemical composition There is no difference, but the standards are different. The 20 # standards are GB / T8162-2008, GT / T8163-2008, GB / T3087-1999, GB / T6479-2000.20G standards are GB / T5310-1999, Due to the different uses of steel pipes, their mechanical properties are also different. For example, 20G steel pipes of the 20 # steel pipe standard GB / T6497-2000 standard and GB / T53010-1999 standard must be tested for necessary bending, impact and tensile properties, flaw detection, It is necessary to normalize delivery. ... [ detailed ]
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General Manager: Xu Zongtao Phone: 15522233345 Address: B9-1, Trustworthy Industrial Park, Zhongguancun, Beichen District, Tianjin
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