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GB/T9948 12Cr9Mo Alloy Seamless Steel Tubes For Petroleum Cracking

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GB/T9948 12Cr9Mo Alloy Seamless Steel Tubes For Petroleum Cracking

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Brand Name : BaoYang

Model Number : GB/T9948 12Cr9Mo

Certification : CE & ISO

Place of Origin : cangzhou

MOQ : 1

Price : Negotiable

Payment Terms : L/C, D/A, D/P, T/T, Western Union

Delivery Time : 7~30 working days

Packaging Details : Standard Export Packing

Name : Seamless Alloy Steel Pipes

Process : Hot Rolled Cold Rolled Cold Drawn

Standards : GB/T9948 12Cr9Mo

Material : Alloy Steel Pipe

Wall Thickness : 1-30mm (0.04 Inch - 0.78 Inch)

Outer Diameter : 10-324mm

Processing Service : Bending, Punching, Cutting

Usage : Pipeline Transport, Oil/Gas Drilling, Machinery Industry

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GB/T9948 12Cr9Mo Alloy Seamless Steel Tubes for Petroleum Cracking

1. Product Description: GB/T9948 12Cr9Mo Alloy Seamless Steel Tubes are specifically engineered for use in the petroleum refining industry, particularly within cracking processes. These tubes are manufactured from an alloy steel that provides exceptional resistance to corrosion, high temperatures, and the pressures encountered in cracking units. The seamless design ensures a uniform wall thickness and superior structural integrity, which is critical for maintaining safety and efficiency in high-pressure environments.

2. Product Parameters:

Parameter Description
Grade GB/T9948 12Cr9Mo
Material Alloy Steel (Seamless)
Standard GB/T9948
Size Range Various diameters and wall thicknesses as per GB/T9948
Length Standard lengths, customizable upon request
Ends Plain ends, beveled ends, threaded, or socket-weld ends
Surface Treatment As-rolled, annealed, or normalized

3. Mechanical Properties:

Property Typical Requirements
Tensile Strength ≥415 MPa (60,000 psi)
Yield Strength ≥240 MPa (35,000 psi)
Elongation ≥20% in 50 mm (2 in) or 4D, whichever is greater
Hardness Varies depending on heat treatment

4. Chemical Composition:

Element Typical Range (%)
Carbon 0.08 - 0.16
Chromium 8.00 - 10.00
Molybdenum 0.40 - 0.60
Manganese ≤1.00
Phosphorus ≤0.025
Sulfur ≤0.025

5. Product Applications:

  • Petroleum Cracking: Used in cracking furnaces for the production of lighter hydrocarbons.
  • Heat Exchangers: Ideal for use in heat exchangers within refineries.
  • Pressure Vessels: Suitable for construction of high-pressure vessels in the petrochemical industry.
  • Pipelines: Employed in pipelines that transport high-temperature and high-pressure fluids.

6. Product Advantages:

  • Seamless Construction: Ensures no weak points and provides a consistent material structure.
  • High-Temperature Resistance: Alloy steel composition offers excellent resistance to the high temperatures found in cracking processes.
  • Corrosion Resistance: The addition of chromium and molybdenum enhances the tubes' resistance to corrosion.
  • Pressure Resistance: Designed to withstand the high pressures encountered in petroleum refining.
  • Long Service Life: Built to last with minimal maintenance, reducing downtime and replacement costs.

7. Conclusion: GB/T9948 12Cr9Mo Alloy Seamless Steel Tubes for Petroleum Cracking are a reliable choice for the demanding conditions of the petroleum refining industry. Their seamless construction, alloy composition, and adherence to GB/T9948 standards ensure that these tubes provide a durable and efficient solution for high-pressure and high-temperature applications. These tubes contribute to the safety and efficiency of petroleum cracking processes, making them an asset to any refinery.

GB/T9948 12Cr9Mo Alloy Seamless Steel Tubes For Petroleum CrackingGB/T9948 12Cr9Mo Alloy Seamless Steel Tubes For Petroleum Cracking

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GB/T9948 12Cr9Mo Alloy Seamless Steel Tubes For Petroleum Cracking

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