12Cr1MoVG is one of the steel grades that application seamless tubes for making steam boiler whose pressure is high or higher and seamless tubes used as pipelines accord to standard GB 5310-2008.
ASTM A213 T11 Standard covers seamless ferritic and austenitic steel boiler, superheater, and heat-exchanger tubes.
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15CrMoG
16Mn
16Mn is a kind of high strength low alloy structural steel, the carbon content of 0.12% -0.20% to join main alloying elements manganese, silicon, vanadium, niobium, and titanium.
20G
Grade 20G Seamless Steel Boiler Pipe is applicable to seamless tubes for making steam boiler whose pressure is high or higher and seamless tubes used as pipelines.
A335 P5
The range of ASTM A335 P5 pipe sizes that may be examined by each method shall be subjected to the limitations in the scope of the respective practice.
A335 P9
ASTM A335 P9 Alloy steel pipe apply to petroleum, chemical industry, electric power, boiler, high temperature resistant, low temperature resistant, corrosion resistant.
ASTM A335 Seamless Ferritic Alloy Steel Pipe for High-Temperature Service for High-Temperature Service
ASTM A335 standard is issued under the fixed designation A 335/A 335M;
A335 P11
ASTM A335 P11 steel is a ferritic alloy steel. This material has been in use successfully in power plant service.
A335 P22
A335 P22 pipe is a kind of chrome moly pipes (ASME S/A335, Chrome-Moly) listed in ASTM A335, which has become a standard in the power generation industry and the petrochemical industry, not only because of its tensile strength, corrosion resistance and high-temperature strength, but also because of its cost-effectiveness.
A335 P91
The alloying elements in ASTM A335 P91 Alloy steel Seamless Pipes tend to make either compounds or carbides or solid solutions.