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toughness requirements Free Articles

Welding Seam Toughness Impact of Erw Steel Pipe

ERW steel pipe welding process is the use of the skin effect of high frequency current generated by the principle of hot-rolled coil edge heated to a molten state, and then by mechanical extrusion welding method.

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How to Achieve Mental Toughness, Naturally?

Mental toughness is different for everyone. It is an abstract quality, but, it is related to small physical wins. Learn how you can extract and achieve greater results.

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Assorted Difficulties We May Encounter In The Research of 120X Pipeline Steel

Mainly list the six kinds of difficulties we may encounter in the research of 120X pipeline steel.

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Avoid Spiral Steel Tube Rupture in Long Pipeline

Spiral pipe with big diameter, high strength and practical features make it the first choice of many long-distance pipeline. With the spiral steel pipe rupture has a method for base metal and weld flattening test, guided bend test, a number of indicators of landing inspection toughness test, Charpy impact test. Not only for the gas pipeline has a higher toughness requirements for oil pipelines in recent years also made a high impact toughness requirements.

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Seamless Steel Pipe Controlled Cooling Technology

Controlled cooling technology is a very important process in the production of steel rolling technology, it through the control of steel cooling after rolling temperature and speed to improve the organization and performance of steel, finally obtain good comprehensive mechanical properties.With the development of controlled cooling technology, it has been more mature application in plate, strip, wire, etc.

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Optimization of high-speed steel heat treatment process

High-speed steel is high carbon, high-alloy cold work die steel. When conventional quenching temperature heating, due to the dissolution of alloy carbides, higher levels of matrix carbon content and alloying elements, high strength and hardness, but the lack of toughness, the use of prone to brittle fracture and early failure.

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Seamless square tube controlled cooling technology

Controlled cooling technology is very important in the production of rolling a technology that by controlling the temperature and cooling rate after rolling the steel to improve the organization and performance of steel and, ultimately, good mechanical properties. With the development of control cooling technology, which has been applied to more mature sheet, strip, wire and other fields.

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What Do Recycling Symbols on Plastics Mean?

The Society of the Plastics Industry, Inc. (SPI) introduced the resin coding system in 1988 driven by growing communities and state-level mandates to decrease the volume of waste subject to tipping fees at landfills.

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Low carbon steel pipe surface heat treatment technology

Improving the surface wear resistance, corrosion resistance, fatigue resistance and strength, is to extend component life, the rational allocation of performance, to ensure the stability of critical systems. Therefore, the surface heat treatment technology, has been of great concern, has developed rapidly, to improve the performance of various types of components are playing an increasingly important role.

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Strengthening and Heat Treatment of ERW Casing

27MnCrV is one new steel material in the production of TP110T erw casing, conventional production TP110T steel grade sets are 29CrMo44 and 26CrMo4. Compared to the latter two, 27MnCrV contains less Mo element, can greatly reduce the production cost.

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Heat Treatment Technology for Casing Pipe

The data shows that the 27MnCrV steel pipe is a relatively high-quality high-grade oil casing, and on the other hand, it shows that the sub-temperature quenching process is an excellent method to avoid high-temperature brittleness in the production of steel products.

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Classification of Oil Casing Materials

What are the materials of oil casing pipe?

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Athletics and mental toughness

In any sport, athletics, recreational, or combat, mental toughness is a prerequisite. What is the one shift that will double your mental toughness?

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Difference of LSAW and SSAW

This artical will explain the difference of LSAW and SSAW in many aspects.

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