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Mechanical Properties

CHAPTER 7 12CrlMo STEEL - Harry Bhadeshia

CHAPTER 7 12CrlMo STEEL Carbide precipitation studies in 12Cr1MoV steel are discussed in this chapter. As a result creep strength so that the service temperature can be increased (Alberry and Gooch, 1983; Middleton, 1986). Alternatively, the higher

Property changes of 12Cr1MoV with 10CrMo910 main steam

Property changes of 12Cr1MoV with 10CrMo910 main steam piping after long-term high-temperature service From this table it can be seen firstly that the strengths of ex-service 12Cr1MoV base metal at room temperature are close to those of ex-service 10CrMo910 base metal, while at 550 °C, the strengths of 10CrMo910 seem to be higher than for

In-situ investigation of tensile deformation and fracture

The 12Cr1MoV steel used in this study was supplied by a thermal power plant, which had been in-service operated as water wall tubes for 20,000 and 200,000 h respectively at nominal temperature of 380 °C and pressure of 8.9 MPa.

Carbon diffusion in dissimilar joints between P91 and

P91 and 12Cr1MoV steels welded by different consumables at high temperature Y. Zhao , J. Gong1 * 1, X. Wang , W. Gao1 2 and Q. Li Three consumables: 9CrMoV(N), R31, and GTR-2CM are considered in welding P91 and 12Cr1MoV together. The stable phases and carbon activities of the involved materials were calculated by THERMO-CALC.

Published in: Materials at High Temperatures · 2015Authors: Yanping Zhao · Jianming Gong · Xiaowei Wang · Wei Gao · Qingnan LiAbout: Carbide

GUIDANCE NOTE 6 POST WELD HEAT TREATMENT OF

GUIDANCE NOTE 6 POST WELD HEAT TREATMENT OF WELDED STRUCTURES INTRODUCTION During the fabrication process, welding is a service temperature of 5400 C. Tempering Effect of both the weld metal and heat affected zone. With the exception of the 9Cr1Mo and 12Cr1MoV materials, the microstructure of all other materials should contain a mixture

Pearlite Spheroidization Mechanism and Lifetime

High temperature aging method was used to accelerate the aging process of 12Cr1MoV steel which is mainly used as pressure vessel, steam pipes and so on. microstructure and hardness to predict the remaining service life of 12Cr1MoV steel. In this paper, we systematically investigated the microstructure and hardness of 12Cr1MoV steel during

12cr1mov equivalent -STAINLESS COIL FACTORY

12cr1mov equivalent Size: Thickness: 1.2mm-600mm Width: 1220mm-4200mm Length: ThyssenKrupp Materials International Page 1 Material data sheet P22/T22 10/2011 Alloy steel tubes for high-temperature service Material Data Sheet CrMoV CREEP RESISTING STEEL - Nickel Alloys.

In-situ investigation of tensile deformation and fracture

The 12Cr1MoV steel used in this study was supplied by a thermal power plant, which had been in-service operated as water wall tubes for 20,000 and 200,000 h respectively at nominal temperature of 380 °C and pressure of 8.9 MPa.

Pearlite Spheroidization Mechanism and Lifetime

High temperature aging method was used to accelerate the aging process of 12Cr1MoV steel which is mainly used as pressure vessel, steam pipes and so on. microstructure and hardness to predict the remaining service life of 12Cr1MoV steel. In this paper, we systematically investigated the microstructure and hardness of 12Cr1MoV steel during

12cr1MOV Alloy Steel Pipe/12cr1movg Seamless Alloy Pipe

12Cr1MoV Alloy Steel pipe/12Cr1MoVG Seamless Alloy Pipe Alloy seamless steel tube for its high temperature resistance, low temperature resistance, corrosion resistance has huge advantage over other seamless steel tubes, so the alloy tube are widely used in petroleum, chemical, electric power, boiler and other industries.

12cr1mov equivalent -STAINLESS COIL FACTORY

12cr1mov equivalent Size: Thickness: 1.2mm-600mm Width: 1220mm-4200mm Length: ThyssenKrupp Materials International Page 1 Material data sheet P22/T22 10/2011 Alloy steel tubes for high-temperature service Material Data Sheet CrMoV CREEP RESISTING STEEL - Nickel Alloys.

Carbide precipitation in 12Cr1MoV power plant steel

Carbide Precipitation in 12Cr1MoV Power Plant Steel within the temperature range 480 ~ to 565 ~ the ser- vice stresses being of the order of 15 to 30 MPa over that the service temperature can be increased. [3.4] Alter- natively, the higher strength can be exploited by reduc- ing section size, which can be beneficial from the

Property changes of 12Cr1MoV with 10CrMo910 main

Read "Property changes of 12Cr1MoV with 10CrMo910 main steam piping after long-term high-temperature service, Engineering Failure Analysis" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

Published in: Engineering Failure Analysis · 2003Authors: Hong Xu · Xuekun Huang · Zhen Yang · Jiti PanAffiliation: East China University of Science and TechnologyAbout: Toughness · Ultimate tensile strength · Fracture toughness

Remnant Life Prediction of Service-Exposed 12Cr1MoV

According to the high temperature tensile creep test data, the relationship between working stress, working temperature and rupture life was obtained by MATLAB surface fitting tool. Remnant Life Prediction of Service-Exposed 12Cr1MoV Superheater Tube in Power Plant "Remnant Life Prediction of Service-Exposed 12Cr1MoV Superheater Tube in

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How to improve low temperature impact toughness of

2, low temperature quenching and high tempering, the band will decrease but not decrease. -40 degree impact energy of 12Cr1MoV seamless steel tube is 90J-127J, 12Cr1MoV tube tensile strength is

Impact toughness of 12Cr1MoV steel. Part 1 - Influence of

Part 1 - Influence of temperature on energy and deformation parameters of fracture. AU - Panin, Sergey V. AU - Maruschak, P. O. AU - Vlasov, I. V. AU - Ovechkin, B. B. PY - 2016/6/1. Y1 - 2016/6/1. N2 - In the paper, the study of the impact toughness of 12Cr1MoV steel Charpy specimens at the temperature range from 20 °C to 600 °C is presented.

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12Cr1MoV alloy structural steel is mainly used after normalizing and high temperature tempering to produce superheated steel tubes, conduits, serpentine tubes and other corresponding forgings whose operating temperature does not exceed 570-585°C.

The Reliability Analysis of 12Cr1MoVG and T23 Used for

Considered the metal design temperature of water wall tubing hasn’t exceeded 530 °C so far, so both 12Cr1MoVG and T23 can also meet the requirement of USC water wall. Both 12Cr1MoV and T23 can be chosen to manufacture supercritical boiler water wall. Wang C., Wang J. (2017) The Reliability Analysis of 12Cr1MoVG and T23 Used for USC

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The 12Cr1MoV alloy steel pipes supplied by Katalor are mainly used after normalizing and high temperature tempering to produce superheated steel pipes, conduits, serpentine pipes and other corresponding forgings whose operating temperature does

Impact toughness of 12Cr1MoV steel. Part 2 - Influence of

The impact toughness of initial and irradiated 12Cr1MoV steel Charpy specimens has been studied in the range of temperatures from 20 °C to 600 °C. it was revealed that the increase of testing temperature decreases the difference between the fracture energies of initial and modified steel specimens. We use cookies to help provide and

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Effect of Start/stop Position Distribution on Residual

Effect of Start/stop Position Distribution on Residual Stresses in the Multi-pass Welded 12Cr1MoV/P91 Dissimilar pipe Yanping Zhao1, Jianming Gong1,*, Yanfei Wang1, and Gao Wei2 ensure the safety service of the welded structures. Nevertheless, dissimilar welding is

Temper embrittlement dynamics induced by non-equilibrium

Temper embrittlement dynamics induced by non-equilibrium segregation of phosphorus in steel 12Cr1MoV. by the temper embrittlement mechanism of non-equilibrium grain boundary segregation caused by cool- ing from solution temperature to isothermal holding temperature. An embrittlement prediction method for steel in service is pro- posed based

Published in: Scripta Materialia · 2005Authors: Qingfen Li · Li Li · Erbao Liu · Dong Liu · Xiufang CuiAffiliation: Harbin Engineering UniversityAbout: Auger electron spectroscopy · Embrittlement · Phosphorus · Grain boundary · Microstr

Effect of Heat Treatment Time on Microstructure and

The effects of heat treatment time on microstructure and properties of 12Cr1MoV steel holding at 550 ℃ for different time were studied by SEM,metallographic analysis and mechanical property test.The results show that the tensile strength enhances gradually;the yield strength,elongation,section shrinkage rate and impact toughness decrease then increase with the increase of holding time.When

Published in: Hot Working Technology · 2010Authors: Zhang MijuanAbout: Microstructure

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Carbon migration phenomenon in high temperature aging process of 12Cr1MoV/304 welding joint: LI De-yuan, LOU Jian-xin, KONG Ling-wei, DUAN Si-hua, CUI Yi-zhe, ZHANG Nan-nan

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Published in: Electric Power · 2011Authors: Long Huiguo · Long Yi · Chen Hongdong

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