Cangzhou Baoyang Pipeline Equipment Co., Ltd.
                                                                                                           
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ASTM A335 / ASME Sa335 P22 Pipe 10-324mm OD Alloy Steel Seamless Tubes

Price Negotiable
Price: Negotiable
MOQ: 1
Delivery Time: 7~30 working days
Brand: BaoYang
Product Description

ASTM A335 P22 Alloy Steel Seamless Tubes

1. Product Description: ASTM A335 P22 Alloy Steel Seamless Tubes are engineered to provide exceptional performance in high-temperature applications. These tubes are manufactured from a specific alloy steel grade known for its enhanced mechanical properties and resistance to creep deformation. The seamless construction of these tubes ensures uniform wall thickness, superior structural integrity, and increased resistance to internal pressures.

2. Product Applications:

  • Power Generation: Utilized in boiler systems and superheaters for power plants.
  • Petrochemical Industry: Employed in pipelines and reactors that operate under high temperatures and pressures.
  • Heat Exchangers: Suitable for use in shell and tube heat exchangers where high thermal efficiency is required.
  • Pressure Vessels: Ideal for the construction of high-pressure vessels and reactors in various industries.
  • Gas and Oil Transmission: Used in the transportation of natural gas and oil through pipelines that experience temperature fluctuations.

3. Product Advantages:

  • Seamless Construction: Provides a consistent material structure, eliminating potential points of failure associated with welded seams.
  • High-Temperature Resistance: Designed to maintain structural integrity and performance in extreme temperature conditions.
  • Creep Resistance: Alloy composition offers resistance to deformation under prolonged exposure to heat.
  • Corrosion Resistance: The P22 grade contains chromium and molybdenum, which enhance the tubes' resistance to corrosion and oxidation.
  • Long Service Life: Built to withstand the rigors of demanding environments with minimal maintenance.
Chemical Composition
Grade C Mn P S Si Cr Mo
P22 0.05 - 0.15 0.30 - 0.60 0.025 max 0.025 max 0.50 max 1.90 - 2.60 0.87 - 1.13

 

Mechanical Properties

 

Grade Tensile Strength (Mpa), Min. Yield Strength (Mpa), Min. Elongation, %
P22 415 min 205 min 30 min

 

Tolerance

 

NPS OD Tolerance NPS WT Tolerance
1/8″ ≤ NPS ≤ 1 1/2″ +/- 0.4 1/8″ ≤ NPS ≤ 2 1/2″ , All T/D ratios. +20%, -12.5%
1 1/2 < NPS ≤ 4″ +/- 0.79 NPS ≥ 2 1/2″ , T/D ≤ 5% +22.5%, -12.5%
4″ < NPS ≤ 8″ +1.59, -0.79 NPS ≥ 2 1/2″ , T/D > 5% +15%, -12.5%
8″ < NPS ≤ 12″ +2.38, -0.79 (T= Specified Wall Thickness; D = Specified Outside Diameter)

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Company Cangzhou Baoyang Pipeline Equipment Co., Ltd.
Location Room 512, Block B, Tiancheng Building, Yunhe District, Cangzhou City
Contact Person Amy

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