1. Superior Corrosion Resistance
- Our Hastelloy C276 Tubing and Seamless Pipe exhibits excellent corrosion resistance in both oxidizing and reducing environments, making it suitable for highly corrosive chemical and processing industries.
- The tubing undergoes chemical analysis using a spectrometer, and the material is traceable from the steel billet to the finished pipe, ensuring compliance with ASTM B622 standards.
2. Excellent Mechanical Properties
- Our Hastelloy C276 Tubing and Seamless Pipe is manufactured using a cold drawing process, resulting in seamless tubing. An annealing process is used to restore ductility, ensuring consistent yield strength and elongation.
- The tubing undergoes rigorous mechanical testing to ensure compliance with ASTM B622 standards, guaranteeing stable operation under high temperature and pressure, making it suitable for oil and gas pipeline systems and heat exchangers with pressure fluctuations.
3. Surface Quality
- Our tubing is pickled, passivated, and polished, resulting in a high surface finish that meets the cleanliness requirements of chemical, pharmaceutical, and high-purity systems.
- The cold drawing process ensures that the tubing surface is free from overlaps, folds, or drag marks.
4. Excellent Machinability and Weldability
- Our tubing undergoes strict dimensional control, ensuring consistent outer diameter and wall thickness, with outer diameter tolerances within ±0.01mm, reducing installation time in complex piping systems.
- Our tubing is suitable for various welding methods, including TIG, MIG, and SMAW, and the welded area maintains excellent corrosion resistance without the need for post-weld heat treatment.
- : Heat exchangers, evaporators, scrubbers, and processing of hydrochloric acid, sulfuric acid, phosphoric acid, and nitric acid.
- : High-pressure desalination pipelines, deep-sea oil and gas transmission pipelines, seawater pipeline systems, etc.
- : Downhole pipelines and sour gas services, process piping for organic acids and corrosive hydrocarbons.
- : Bleaching plant piping and equipment.
| W | V | C | P | S | ||||||||
| 15.0–17.0 | 14.5–16.5 | 4.0–7.0 | 3.0–4.5 | <=2.5 | <=1.0 | <=0.35 | <=0.01 | <=0.08 | <=0.04 | <=0.03 |
| >= 760 | >= 283 | >= 40 | <= 90 |
- Hastelloy C-22 (UNS N06022): Improved resistance to oxidizing environments and thermal stability.
- Inconel 625 (UNS N06625): High strength and excellent corrosion resistance, suitable for high-pressure/high-temperature systems.
- Alloy 20 (UNS N08020): An economical choice for sulfuric acid applications.
- Grade 2 : A lightweight alternative with excellent corrosion resistance in many chemical processes.
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