Company news

  • Do you know seamless steel pipe thermal expansion equipment? Do you understand this production process?

    Do you know seamless steel pipe thermal expansion equipment? Do you understand this production process?

    Thermal expansion technology has been widely used in petroleum, chemical industry, electric power and other industries in recent years, with the most important application field being oil well pipes. Seamless steel pipes processed by thermal expansion technology have the...
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  • A plumbing service provider you can try to get to know.

    A plumbing service provider you can try to get to know.

    A new year brings a new beginning. Tianjin Zhengneng Pipe Industry Co., Ltd. is a professional enterprise integrating pipeline production, sales and export. The company's main products include boiler pipes, fertilizer pipes, petroleum pipes and structural pipes. Zhengnen...
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  • GB/T9948 seamless steel pipe, GB/T9948 petroleum cracking pipe

    GB/T9948 seamless steel pipe, GB/T9948 petroleum cracking pipe

    GB/T9948 seamless steel pipe for petroleum cracking is a seamless pipe suitable for furnace tubes, heat exchangers and pipelines in petroleum refineries. High-quality carbon structural steel, alloy structural steel and stainless heat-resistant steel high-pressure seamles...
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  • Boiler seamless special tube model (boiler tube seamless tube)

    Boiler seamless special tube model (boiler tube seamless tube)

    Boiler seamless special tube model Boiler seamless pipe is a special pipe with high temperature and high pressure characteristics. It is widely used in boiler equipment in petroleum, chemical industry, electric power, nuclear power plants and other fields. Compared with ...
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  • 20g high pressure boiler seamless steel pipe

    20g high pressure boiler seamless steel pipe

      With the continuous development of industry, 20g high-pressure boiler seamless steel pipe has been widely used in various fields. As an efficient heat transfer material, 20g high-pressure boiler seamless steel pipe has a variety of uses. Its uses and advantages will be...
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  • How much do you know about seamless steel pipes?

    How much do you know about seamless steel pipes?

    How are steel pipes classified according to material? Steel pipes can be divided into non-ferrous metal and alloy pipes, ordinary carbon steel pipes, etc. according to their materials. Representative steel pipes include seamless alloy steel pipe ASTM A335 P5, carbon stee...
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  • Knowledge points and influencing factors that must be paid attention to for seamless steel pipes

    Knowledge points and influencing factors that must be paid attention to for seamless steel pipes

    Seamless steel pipe production method 1. What are the basic processes for producing seamless steel pipes? ① Blank preparation ② Pipe blank heating ③ Perforation ④ Pipe rolling ⑤ Sizing and reducing diameter ⑥ Finishing, inspection and packaging for storage. 2. What are t...
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  • Introducing Different Alloy Steel Pipes, Different Materials, And Corresponding HS Customs Codes(2)

    Introducing Different Alloy Steel Pipes, Different Materials, And Corresponding HS Customs Codes(2)

    1. Material: 12Cr1MoVG, corresponding to national standard GB5310, material 12Cr1MoVG, use: high-pressure boiler seamless pipe 2. Material: 15CrMoG, corresponding to the national standard GB5310, the material is 15CrMoG, the use is high-pressure boiler pipe, the correspo...
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  • Introducing different alloy steel pipes, different materials, and corresponding HS customs codes

    Introducing different alloy steel pipes, different materials, and corresponding HS customs codes

    1. Material: SA106B, corresponding to the national standard GB/T8162 or GBT8163, material: 20, use: structural seamless steel pipe, the corresponding American standard is SA106 B, use is low and medium pressure boiler pipes, the corresponding German standard is DIN1629 ,...
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  • Alloy seamless steel pipe material

    Alloy seamless steel pipe material

    Product Category: Alloy Pipe Main materials: Cr5Mo (P5, STFA25, T5,), 15CrMo (P11, P12, STFA22), 13CrMo44, 12Cr1MoV, P22 (10CrMo910), T91, P91, P9, T9 Implementation standards: GB5310-2017, GB9948-06, ASTMA335/A335m, ASTMA213/A213m, DIN17175 Purpose: Seamless steel pipe ...
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  • ASTM A106Gr.B

    ASTM A106Gr.B

    ASTM A106Gr.B seamless steel pipe is a common steel pipe material, widely used in petroleum, chemical industry, electric power, construction and other fields. It has excellent corrosion resistance, high temperature performance and mechanical properties, and can meet the ...
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  • What are the materials of seamless steel pipes?

    What are the materials of seamless steel pipes?

    As an indispensable and important steel material for the construction of the national economy, seamless steel pipes are widely used in fields such as construction, mechanical processing, and pipeline engineering (transporting fluids and solids such as water, oil, gas, co...
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  • What are the classifications of seamless steel pipes?

    What are the classifications of seamless steel pipes?

    Hello everyone, today I want to tell you about the classification of seamless steel pipes. Seamless steel pipes are divided into three categories: hot-rolled, cold-rolled, and cold-drawn seamless steel pipes. Hot-rolled seamless steel pipes are divided into general steel...
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  • GR.B/A53/A106 seamless steel pipe 168.3*14.27 has seen significant price changes recently

    GR.B/A53/A106 seamless steel pipe 168.3*14.27 has seen significant price changes recently

    Seamless steel pipe is a common metal pipe that is widely used in petroleum, natural gas, chemical industry, electric power, ships, automobiles, aerospace and other fields. GR.B/A53/A106 seamless steel pipe is a special type of seamless steel pipe with high material and ...
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  • Happy Christmas holidays my friends.

    Happy Christmas holidays my friends.

    On behalf of the company, I would like to wish all my friends around the world a Merry Christmas and wish you a wonderful holiday. As 2023 comes to an end, our company is stepping up shipments to bring a successful end to this year. The goods we are preparing recently a...
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  • Will steel prices start rising again? What are the influencing factors?

    Will steel prices start rising again? What are the influencing factors?

    Factors affecting steel prices 01 Blockage of the Red Sea caused crude oil to surge and shipping stocks to rise sharply Affected by the spillover risk of the Palestinian-Israeli conflict, international shipping has been blocked. The recent attack by the Houthi armed forc...
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  • How to store seamless steel pipes

    How to store seamless steel pipes

    1. Choose a suitable site and warehouse 1) The venue or warehouse where seamless steel pipes are kept should be selected in a clean and well-drained place, away from factories and mines that produce harmful gases or dust. Weeds and all debris should be removed from the s...
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  • Steel winter storage policy issued! Steel traders give up winter storage? Are you saving up or not?

    Steel winter storage policy issued! Steel traders give up winter storage? Are you saving up or not?

    As the steel industry, the winter storage of steel is an inescapable topic at this time of year. The situation of steel this year is not optimistic, and in the face of such an actual situation, how to maximize the benefit and risk ratio is the core key. How to do winter ...
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  • Leading the development of the industry in the field of seamless steel pipes. We provide you with a complete set of project solutions.

    Leading the development of the industry in the field of seamless steel pipes. We provide you with a complete set of project solutions.

    As a company specializing in the production and export of seamless steel pipes, we have successfully expanded our cooperation markets to cover many regions such as the Middle East, Europe, South America and Asia. Our company mainly supplies seamless steel pipes, includin...
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  • Seamless steel pipes for oil and gas fields—API 5L and API 5CT

    Seamless steel pipes for oil and gas fields—API 5L and API 5CT

    In the field of oil and gas systems, seamless steel pipes play an important role. As a high-precision, high-strength steel pipe, it can withstand various harsh environments such as high pressure, high temperature, corrosion, etc., so it is widely used in transportation p...
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  • What should be done when using seamless steel pipes?

    What should be done when using seamless steel pipes?

    The application of seamless steel pipes mainly reflects three major fields. One is the construction field, which can be used for underground pipeline transportation, including groundwater extraction when building buildings. The second is the processing field, which can b...
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  • Q345b seamless pipe yield strength and tensile strength

    Q345b seamless pipe yield strength and tensile strength

    In the field of machine manufacturing, material selection is crucial to product performance and safety. Among them, Q345b seamless pipe is a widely used material with excellent mechanical properties and process performance. This article will introduce the yield strength ...
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  • ASME SA213 T12 alloy American standard seamless steel pipe

    ASME SA213 T12 alloy American standard seamless steel pipe

    SA213 high-pressure boiler tube series is a high-pressure boiler tube series. Suitable for seamless ferritic and austenitic steel tubes with minimum wall thickness for boilers and superheaters and austenitic steel tubes for heat exchangers. Heating surface pipes used in...
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  • Do you know this knowledge about seamless steel pipes?

    Do you know this knowledge about seamless steel pipes?

    1. Introduction to seamless steel pipe Seamless steel pipe is a steel pipe with a hollow cross-section and no seams around it. It has high strength, corrosion resistance and good thermal conductivity. Due to its excellent performance, seamless steel pipes are widely used...
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