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Hunan Great Steel Pipe Co., Ltd
LSAW steel pipe provider,seamless carbon steel pipe,hot dipped galvanized pipe

The latest policy Ironmaking and steelmaking products of the steel industry are not classified as

Date: 2021-11-11
The latest policy: Ironmaking and steelmaking products of the steel industry are not classified as “high pollution” and “high environmental risk” products On November 2, the General Office of the Ministry of Ecology and Environment issued the “Notice on Printing and Distributing the “Comprehensive List of Environmental Protection (2021 Edition)” (Environmental Office Comprehensive Letter [2021] No. 495). In the “Comprehensive List of Environmental Protection (2021 Edition)”, blue charcoal/coke/pitch (except for tar distillation using atmospheric, vacuum or atmospheric and vacuum continuous distillation processes) in coking (industry code 2520) in the traditional iron and steel industry, steel Rolled (industry code 3130) chromium-plated steel sheet (except trivalent chromium electroplating process)/color-coated plate (except chromium-free color coating process) products, ferroalloy smelting (industry code 3150) metal manganese/metal silicon/metal chromium products , The series of products produced by the hot-dip galvanizing process in steel (industry code 3208) are “highly polluting” products; iron-making (industry code 3210) and steel-making (industry code 3220) products are not classified as “highly polluting” and “high environmental risk” “product. Post time: Nov-11-2021

Latest news list

  • oil casing corrosion,sour service casing,CO₂ corrosion in oil wells,H₂S material selection,oil well corrosion management,casing integrity
    Oil casing in corrosive well environments must meet both mechanical design requirements and the demands of the service environment,Carbon dioxide (CO₂),hydrogen sulfide (H₂S),chlorides,water chemistry and temperature can influence corrosion behavior and material suitability,Choosing a casing grade based on strength alone may leave important risks unaddressed,
  • how to choose oil casing,oil casing selection,oil casing buying guide,oil casing procurement,oil casing specifications
    Choosing the right oil casing requires more than matching a nominal diameter or selecting a higher-strength steel grade,Casing must meet the well design,expected mechanical loads,connection requirements and service environment,For drilling contractors,EPC procurement teams and international buyers,confirming these requirements before ordering helps reduce specification errors,delivery delays and costly changes during project execution,
  • oil casing failure signs,casing integrity problems,annular pressure monitoring,oil well casing damage,casing failure diagnosis,oil casing inspection
    Oil casing provides structural support and helps maintain well integrity throughout drilling and production,When casing or related well barriers deteriorate,the consequences may include leakage,operational interruptions and increased safety risks,However,casing damage is not always visible at the surface,and early warning signs do not necessarily confirm a failure,
  • oil casing quality control,oil casing inspection,oil casing testing,casing pipe quality requirements
    Oil casing quality must be verified against the requirements agreed for the order,including steel grade,dimensions,connections,inspection scope and documentation,Before shipment,buyers need to know not only whether the product has been inspected,but also whether the required tests are complete,the results meet the specified acceptance criteria,and the records correspond to the supplied materials,
  • casing damage during cementing,oil casing cementing,casing running problems,casing connection inspection,well casing integrity
    Casing damage during cementing can complicate well construction,delay subsequent operations and raise concerns about well integrity,Although cementing helps support the casing string and isolate formations,the operation involves mechanical loads,fluid pressure and coordination between drilling and cementing teams,

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