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Q345b Q345e Q345d Carbon Seamless Steel Pipe 0.04 Inch - 0.78 Inch Wall Thickness

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Q345b Q345e Q345d Carbon Seamless Steel Pipe 0.04 Inch - 0.78 Inch Wall Thickness

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Brand Name : BaoYang

Model Number : ASTM/DIN/GB/EN/JIS

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 Carbon Steel Pipes

Process : Hot Rolled Cold Rolled Cold Drawn

Standards : ASTM/DIN/GB/EN/JIS

Material : Carbon Steel

Wall Thickness : 1-20mm (0.04 Inch - 0.78 Inch)

Outer Diameter : 6-2500mm

Processing Service : Bending, Punching, Cutting

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

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Q345B, Q345E, and Q345D Carbon Seamless Steel Pipes:

Product Description: Q345B, Q345E, and Q345D Carbon Seamless Steel Pipes are high-strength carbon steel tubes engineered for structural applications and high-pressure environments. These pipes are manufactured to strict quality control standards and are characterized by their seamless design, which provides superior pressure resistance and structural integrity. The 'Q345' designation indicates the minimum yield strength of 345 MPa, with the 'B', 'E', and 'D' signifying different levels of impact testing requirements and suitability for different service temperatures.

Product Parameter Specifications:

Parameter Specification Units
Standard GB/T 8162, GB/T 8163, EN 10305, ASTM A106/A53, etc. -
Grade Q345B, Q345E, Q345D -
Outer Diameter Typically 20mm to 630mm, depending on the specific application mm
Wall Thickness Varies with diameter and pressure requirements mm
Length Standard lengths available; custom lengths upon request m
Tolerance As per relevant standards for diameter and wall thickness -

Product Applications:

  1. Structural Applications: Utilized as structural support in construction and engineering projects.
  2. Pressure Vessels: Suitable for the construction of high-pressure vessels and boilers.
  3. Mechanical Equipment: Employed in the manufacturing of heavy machinery and equipment.
  4. Oil and Gas Industry: Used for transporting oil, natural gas, and petroleum products.
  5. Petrochemical Industry: Ideal for applications involving high pressures and temperatures.

Types of Q345 Carbon Seamless Steel Pipes:

  • Q345B: Suitable for general low-temperature applications with a focus on structural integrity.
  • Q345E: Designed for low-temperature service with enhanced impact resistance.
  • Q345D: Offers improved performance at higher temperatures compared to Q345B.

Mechanical Properties:

Property Typical Range/Value for Q345B, Q345E, Q345D Units
Tensile Strength 470-630 MPa MPa
Yield Strength ≥ 345 MPa MPa
Elongation ≥ 21% (for diameters ≤ 40mm) %
≥ 20% (for diameters > 40mm) %

Chemical Composition:

Element Typical Range (%) for Q345 Grades
Carbon (C) 0.12-0.20
Manganese (Mn) 1.00-1.60
Silicon (Si) ≤ 0.50
Phosphorus (P) ≤ 0.035
Sulfur (S) ≤ 0.035

Q345b Q345e Q345d Carbon Seamless Steel Pipe 0.04 Inch - 0.78 Inch Wall ThicknessQ345b Q345e Q345d Carbon Seamless Steel Pipe 0.04 Inch - 0.78 Inch Wall Thickness

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Q345b Q345e Q345d Carbon Seamless Steel Pipe 0.04 Inch - 0.78 Inch Wall Thickness
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Q345b Q345e Q345d Carbon Seamless Steel Pipe 0.04 Inch - 0.78 Inch Wall Thickness
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Q345b Q345e Q345d Carbon Seamless Steel Pipe 0.04 Inch - 0.78 Inch Wall Thickness
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Q345b Q345e Q345d Carbon Seamless Steel Pipe 0.04 Inch - 0.78 Inch Wall Thickness

Product Tags:

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