Dongguan supplies 20MnG pressure vessel steel pipe 25MnG seamless steel pipe

材质：

高压锅炉用无缝钢管

规格：

常规齐全

品牌：

国产进口

High-pressure boiler steel pipes are mainly used to manufacture high-quality carbon structural steel, alloy structural steel and stainless heat-resistant steel seamless steel pipes for steam boiler pipes of high pressure and above. Pipes working under high temperature and pressure will also undergo oxidation and corrosion under the action of high temperature flue gas and water vapor. Therefore, the steel pipe is required to have high lasting strength, high oxidation resistance, and good organizational stability. The steel grade used has high quality. Carbon structural steel grades, alloy structural steel grades, and other rusty and heat-resistant steel grades. Commonly used high-pressure boiler tubes, in addition to ensuring the chemical composition and mechanical properties, must be subjected to hydraulic tests one by one, as well as expansion and flattening tests. Steel pipes are delivered in heat treated condition. In addition, there are also certain requirements for the microstructure and grain size of the decarburized layer of the finished steel pipe.
Product Category
Main Materials
Implementation Standards
Usage
Specification Range
High Pressure Boiler Tubes

Heat Resistant Tubes for High Pressure Boilers Slit steel pipe
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Boiler pipe is a type of steel pipe. The manufacturing method is the same as that of other pipes, but there are strict requirements for the type of steel used in manufacturing steel pipes. According to the operating temperature, it is divided into two types: general boiler tubes and high-pressure boiler tubes. The mechanical properties of steel are important indicators to ensure the final mechanical properties of steel. It depends on the chemical composition and heat treatment system of the steel. In steel pipe standards, tensile properties, tensile strength, yield strength or yield point elongation, hardness and toughness indicators are specified according to different usage requirements, as well as high and low temperature properties required by users.