- ASTM A192 Steel Tubes for High-pressure Steel Boiler Tube
- Hardness testing methods of high-pressure boiler tubes
- Difference between thread pipe and spiral pipe
- Boiler tube quality problems
- What is boiler pickling
- 20G seamless steel pipe for boiler
- GB5310 20G boiler steel pipe
- Boiler pipe forming
- Characteristics of boiler pipe
- Heat boiler seamless extrusion technology
- Low and medium pressure boiler pipe
- High-pressure boiler tube heat defect
Small diameter high-pressure boiler tube surface defects that affect the quality, mainly due to waste generation.
Boiler pipes often in high temperature and high pressure work, pipe smoke and water at high temperature steam oxidation and corrosion effects will occur, thus requiring durable steel with high strength, high oxidation resistance, and good organizational stability, high pressure boiler tube in addition to chemical composition and mechanical properties, hydrostatic testing done by the root, to be flaring, flattening test. Steel to heat treatment delivery. In addition, the finished steel microstructure, grain size, there are certain requirements decarburization. High-pressure boiler tubes are seamless steel pipe categories. Seamless same manufacturing method, but used in the manufacture of steel pipe, there are strict requirements. Often in high-pressure boiler tubes at high temperature and pressure conditions of use, the tube under the effect of high temperature gas and water vapor, oxidation and corrosion will occur. Require durable steel with high strength, high resistance to oxidation corrosion, and have good organizational stability.
High-pressure boiler tube is mainly used to manufacture high-pressure and high pressure boiler superheater tubes, reheater tubes, windpipe, the main steam pipe. High-pressure boiler tubes for low and medium pressure boiler (working pressure is generally not more than 5.88Mpa, working temperature below 450 ℃) of heating surface tubes; used for high-pressure boilers (above 9.8Mpa working pressure in general, the working temperature of 450 ℃ ~ 650 ℃ between) the heating surface tubes, economizer, superheater, reheater, petrochemical industrial pipe.
