The viscosity of the slag in the seamless steel pipe factory is too large
The viscosity of the slag in the seamless steel pipe factory is too large. The gas dissolved in the high-temperature liquid metal during welding will overflow in the form of bubbles during the cooling process
The first "Shanghai Cup" Chess Masters Open
The first "Shanghai Cup" Chess Masters Open kicked off today in Nanxiang, Jiading. In the two rounds of the professional group, a total of 32 first-class masters of both men and women in the domestic chess world fought fiercely.
At present, 3PE anti-corrosion steel pipes are widely used in China
At present, the main popular type of domestic anti-corrosion steel pipe is 3PE anti-corrosion steel pipe
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