1. Mainly use tools such as wire brushes to polish the steel surface. Cleaning and preheating the spiral welded pipe can remove loose or lifted scales, rust, welding slag, etc. The rust removal of hand tools can reach the Sa2 level, and the rust removal of power tools can reach the Sa3 level. If the

1. What are API pipeline steel pipe specifications?API (American Petroleum Institute) pipeline steel pipe specifications are pipeline steel pipe standards designed for oil, natural gas, and other industries. These specifications are designed to ensure that pipeline steel pipes can operate safely and

1. 316 stainless steel is a molybdenum-containing stainless steel. Due to the molybdenum in the steel, the overall performance of this steel is better than that of 310 and 304 stainless steel. Under high-temperature conditions, when the concentration of sulfuric acid is lower than 15% and higher tha

1. 316 stainless steel is a molybdenum-containing stainless steel. Due to the molybdenum in the steel, the overall performance of this steel is better than that of 310 and 304 stainless steel. Under high-temperature conditions, when the concentration of sulfuric acid is lower than 15% and higher tha