News
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How to make steel tubes
Crossed, lower materials and beveling Steel construction drawings based crossed and consider cutting losses, welding shrinkage and other factors. After marking with a stamp, paint, pipe segments were marked, section number, flow direction, horizontal and vertical centerline, bevel angle and cutti...Read more -
High-frequency welding technology of hot-rolled seamless steel pipe
Small diameter steel pipe is mainly used in oil, natural gas pipeline. The small diameter steel pipe has one side welding and welding by both sides, welded pipe shall ensure that the water pressure test, the tensile strength and cold bending properties of the weld in accordance with regulations. ...Read more -
American Steel Product Standards
US steel products are with more standards, mainly in the following categories: ANSI–American National Standard AISI–American Society of Iron and Steel Standards ASTM–American Society for Testing and Materials ASME–American Society of Mechanical Engineers AMS–Aerospac...Read more -
American 337 lack of interest termination for China, China’s steel victory is in sight
In 2017, China’s ministry of commerce website news, a motion according to the American iron and steel company, the United States international trade commission (ITC) administrative law judge released preliminary (56 order), termination of the carbon steel and alloy steel 337 investigation a...Read more -
About carbon steel pipe tubing
Tubing is used to transport fluids and gases in a variety of pneumatic, hydraulic, and process applications. Tubes are usually cylindrical in shape, but may have round, rectangular, or square cross-sections. Tubing is specified in terms of outside diameter (OD) and, depending upon the material of...Read more -
Advantage of galvanized spiral pipe welding process
Galvanized pipe welding processes can be divided into spiral welded and straight seam welded, and galvanized spiral welding process is relatively wider number of applications, but also more complex. Galvanized spiral pipe welding method is first out of the forward end portion of the electrode abo...Read more
