4140 steel, is a kind of alloy structural steel, its strength, high hardenability, good toughness, quenching deformation is small.
Carbon C: 0.33 ~ 0.48
Silicon Si: 0.15 ~ 0.35
Manganese Mn: 0.75 ~ 1.00
S: sulfur 0.030 or less
P P: 0.030 or less
Cr: 0.80 ~ 1.10
Mo: 0.15 ~ 0.25
Strength, high hardenability and good toughness, quenching deformation of small, high temperature creep rupture strength and high from time to tome, for the manufacture requirements higher than 35 grmo steel strength and conditioning section more large forgings, such as locomotive traction with the big gear, supercharger drive gear, rear axle, load of connecting rod and a spring clip, also can be used in the 2000 meters deep well of oil drill pipe joint and the fishing tool and so on.
It is suitable for seamless steel tubes with high temperature, low temperature and corrosion resistance in petroleum, chemical, electric power and boiler industries.
stainless steel tube
Suitable for petroleum, aviation, smelting, food, water conservancy, electric power, chemical, chemical, chemical fiber, medical machinery and other industries.
Low temperature pipe
Suitable for -45℃ ~ -195℃ low temperature pressure vessel pipeline and low temperature heat exchanger pipeline seamless steel tube
high-pressure boiler tube
Suitable for manufacturing high pressure boiler by heat pipe, collecting box, steam pipe, etc
high pressure fertilizer pipe
Suitable for chemical equipment and pipeline with operating temperature of -40--400℃ and working pressure of 10-32mpa
Oil cracking pipe
Furnace tubes, heat exchanger tubes and pipelines for petroleum refineries
low-medium pressure pipe
Suitable for manufacture of low and medium pressure boilers and locomotive boilers of various structures
General seamless steel tube suitable for conveying fluid
API SPEC 5L
Used for oxygen, water and oil conveying pipe in petroleum and natural gas industry
Suitable for general structure support, low pressure fluid transportation, etc
Suitable for low pressure fluid conveying steel tube
4140 seamless alloy tubing 4140 seamless alloy tubing price . email@example.com.