Products Description
High-Pressure Seamless Carbon Steel Boiler Tubes are seamless steel pipes manufactured from carbon steel, complying with standards such as ASTM A192/ASME SA192. Designed for high-pressure boiler systems with a maximum operating pressure of 9.8 MPa and temperature range of 450°C–650°C, they are used in critical components including heating surfaces, superheaters, and economizers.
Key Specifications
Grade: A192 (typical)
Production: Cold-drawn or hot-finished
Dimensions:
OD: 12.7–177.8 mm
Wall thickness: 2.2–25.4 mm (minimum)
Heat treatment: Cold-drawn tubes must undergo ≥650°C heat treatment after final processing.
Chemical Composition Requirements
Carbon (C): 0.06–0.18%
Manganese (Mn): 0.27–0.63%
Phosphorus (P) & Sulfur (S): ≤0.035% each
No unauthorized alloying elements are permitted.
Manufacturing & Testing
Mechanical tests: Flattening, flaring, hardness (Rockwell with upper limits), and hydrostatic testing.
Additional requirement: When used in ISO boiler construction, compliance with ASTM A520 must be ensured.
Ordering Requirements
Specify: Dimensions, length, and special testing needs.
Compliance: Mechanical properties and dimensional tolerances must meet standards.
Products specification
Standard: Astm
Section Shape: Round
Place Of Origin: China
Application: Boiler Pipe
Production Process: Cold Drawn
Certification: Ce
Whether Alloy: Non-Alloy
Tolerance: ±10%
Category: Seamless Steel Pipe
Size: OD: 6mm-168mm WT: 1mm-12mm Length: 0.5mtr-20mtr
Standard & Grade: ASTM A192
Ends: Square Ends/Plain Ends (straight cut, saw cut, torch cut), Beveled/Threaded Ends
Packing: Bundle or bulk , wooden case or other seaworthy packing or for the client's requirement
GNEE A192 high temperature pipe for sale
A192 seamless tubes undergo multiple stringent tests to ensure quality and safety:
Chemical Composition Analysis
Ensures elemental content meets standard requirements.
Mechanical Property Testing
Includes tensile strength, yield strength, and elongation measurements.
Hydrostatic Testing
Each tube must withstand pressure exceeding working pressure.
Non-Destructive Testing (NDT)
Methods like ultrasonic or eddy current testing to detect defects.
Dimensional & Visual Inspection
Ensures precise tolerances (e.g., outer diameter tolerance ≤ ±0.79 mm, wall thickness tolerance ≤ ±10%).
These measures guarantee safe operation in high-temperature and high-pressure environments, while tight tolerances ensure system sealing and assembly accuracy.
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