Ultra-high-strength, ultra-high and low-temperature impact fracturing pump valve box steel forgings and manufacturing method thereof

A low-temperature impact and ultra-high-strength technology, which is applied in the field of ultra-high-strength, ultra-high and low-temperature impact fracturing pump valve box steel forgings and its manufacturing field, can solve the problems that cannot meet the normal use in alpine regions, the mechanical properties of materials are not strong, and the service life Short and other problems, to improve the ability to resist intergranular corrosion, improve anti-oxidation and acid resistance, and improve the effect of as-cast structure
CN103409699BActive Publication Date: 2017-05-10陕西华威科技股份有限公司
6 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
陕西华威科技股份有限公司
Publication Date
2017-05-10

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The invention relates to a steel forging with an ultra-high strength and an ultra-high low-temperature impact on the box body of a fracturing pump valve and a manufacturing method of the steel forging. The steel forging is used for solving the technical problems of low mechanical performance, bad corrosion resistance, short service life, and high cost of the existing steel materials. The steel forging comprises the following chemical ingredients in percentage by weight: 0.25-0.3% of C, 0.15-0.35% of Si, 0.6-0.9% of Mn, 1.8-2.2% of Cr, 4.05-4.25% of Ni, 0.46-0.6% of Mo, 0.12-0.18% of V, not greater than 0.01% of P, not greater than 0.01% of S, not greater than 0.12% of Nb, not greater than 0.12% of Re, not greater than 0.2% of Cu, not greater than 0.00016% of H, not greater than 0.0035% of O, not greater than 0.0065% of N, and the balance of Fe and inevitable impurities. The steel forging disclosed by the invention can be used in the fields of petroleum exploitation and shale gas exploitation.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention relates to materials for equipment in the fields of petroleum and shale gas exploitation and a manufacturing method thereof, in particular to an ultra-high-strength, ultra-high and low-temperature impact fracturing pump valve casing steel forging and a manufacturing method thereof. Background technique

[0002] At present, in the field of oil and shale gas exploitation, fracturing technology can effectively increase the extraction of oil and shale gas, and the fracturing pump is the key equipment in the process of fracturing. According to the twelfth five-year plan for national economic and social development, the relevant requirements for transforming and upgrading the manufacturing industry, optimizing the structure, improving the quality of varieties, improving basic technology, improving the level of research and development of basic materials, and realizing the automation of key parts technology, etc., especially It is because the co...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More