Manufacturer, Supplier, Exporter & Stockiest of ASTM A358 TP 321H Stainless Steel EFW Pipe
ASTM A358 TP 321H is a specification for electric fusion welded (EFW) pipes made from stainless steel grade 321H. These pipes are specifically designed for high-temperature applications and offer enhanced creep resistance compared to standard grade 321 stainless steel. With excellent corrosion resistance and good mechanical properties, ASTM A358 TP 321H stainless steel EFW pipes are commonly used in industries such as petrochemical, chemical processing, and power generation. The EFW manufacturing process ensures a strong and reliable weld, making these pipes suitable for demanding environments requiring resistance to high temperatures and corrosive substances.
Jaiti Steel is a reputable manufacturer, exporter, and stockiest of a wide range of steel pipes and tubes. With a strong commitment to quality and customer satisfaction, we have established ourselves as a trusted name in the steel industry. Our company is dedicated to providing reliable and durable steel solutions to meet the diverse needs of our clients.
We prioritize quality at every stage of our manufacturing process. Jaiti Steel adheres to stringent quality control measures to ensure that all our products meet international standards and specifications. Our team of skilled professionals monitors each production phase, from sourcing raw materials to the final inspection, to guarantee the highest level of quality.
ASTM A358 TP 321H is a specific standard established by ASTM International for electric fusion welded (EFW) pipes made from stainless steel grade 321H. The “TP” in the designation stands for “Type” and “P” indicates that the material is intended for pressure service. Here are some detailed characteristics and information about ASTM A358 TP 321H stainless steel EFW pipes:
Composition: Stainless steel grade 321H is an austenitic stainless steel with a higher carbon content than standard grade 321. It contains chromium (17-19%), nickel (9-12%), and a higher amount of carbon (0.04-0.10%) compared to grade 321. The increased carbon content provides enhanced high-temperature strength and improved creep resistance.
Application: ASTM A358 TP 321H EFW pipes are specifically designed for high-temperature applications where resistance to elevated temperatures and corrosive environments is required. These pipes are commonly used in industries such as petrochemical, chemical processing, power generation, and other applications involving high-temperature and corrosive substances.
Manufacturing Process: The pipes are manufactured using the electric fusion welding method. This process involves heating the edges of the stainless steel plates or strips to their melting point and then welding them together under pressure. The EFW process ensures a strong and seamless weld, ensuring the integrity and reliability of the pipes.
Features: ASTM A358 TP 321H stainless steel EFW pipes offer several notable features. They exhibit excellent high-temperature strength, making them suitable for use in applications involving elevated temperatures. The increased carbon content provides improved resistance to intergranular corrosion, making them resistant to sensitization during welding or high-temperature exposure. Additionally, these pipes offer good resistance to general corrosion, oxidation, and scaling.
Corrosion Resistance: ASTM A358 TP 321H stainless steel EFW pipes exhibit good resistance to corrosion in a wide range of corrosive environments, including oxidizing and reducing atmospheres. They offer better resistance to intergranular corrosion compared to standard grade 321 stainless steel, making them suitable for applications where sensitization is a concern.
It’s important to note that specific technical details, dimensions, and mechanical properties may vary based on the specific requirements of each ASTM A358 TP 321H stainless steel EFW pipe. Consulting the relevant ASTM A358 standard or contacting the manufacturer or supplier can provide more detailed and precise information for your specific application or project.
Mechanical properties:
| Property | Minimum Value |
|---|---|
| Tensile Strength | 75,000 psi (515 MPa) minimum |
| Yield Strength | 30,000 psi (205 MPa) minimum |
| Elongation | 40% minimum |
| Hardness (HRB) | 85 HRB maximum |
Chemical Composition(%, max)
| Element | Minimum (%) | Maximum (%) |
|---|---|---|
| Carbon (C) | 0.04 | 0.10 |
| Manganese (Mn) | – | 2.00 |
| Phosphorus (P) | – | 0.045 |
| Sulfur (S) | – | 0.030 |
| Silicon (Si) | – | 0.75 |
| Chromium (Cr) | 17.0 | 19.0 |
| Nickel (Ni) | 9.0 | 12.0 |
| Iron (Fe) | – | – |
| Other | – | – |
Application Industry
| Pharmaceutical Equipment | Off-Shore Oil Drilling Companies |
| Chemical Equipment | Power Generation |
| Sea Water Equipment | Petrochemical |
| Heat Exchangers | Gas Processing |
| Condensers | Specialty Chemicals |
| Pulp and Paper Industry | Pharmaceuticals |
We Export Our Pipes & Tubes Worldwide
We export ASTM A358 TP 321H Stainless Steel EFW Pipe to Saudi Arabia, Iran, Iraq, United Arab Emirates, Qatar, Bahrain, Oman, Kuwait, Turkey, Egypt, Yemen, Syria, Israel, Jordan, Cyprus, Singapore, Malaysia, Indonesia, Thailand, Vietnam, South Korea, Japan, Sri Lanka, Maldives, Bangladesh, Mayanmar, Taiwan, Cambodia, Argentina, Bolivia, Brazil, Chile, Venezuela, Colombia, Ecuador, Guyana, Paraguay, Uruguay, United States Of America, Canada, Mexico, Panama, Costa Rica, Puerto Rica, Trinidad And Tobago, Jamaica, Bahamas, Denmark, Russia, Norway, Germany, France, Italy, United Kingdom, Spain, Ukraine, Netherland, Belgium, Greece, Czech Republic, Portugal, Hungary, Albania, Austria, Switzerland, Slovakia, Finland, Ireland, Croatia, Slovenia, Malta, Nigeria, Algeria, Angola, South Africa, Libya, Egypt, Sudan, Equatorial Guinea, The Republic Of Congo, Gabon, Europe, Africa, Asia, North America, South America, Middle East, Far East.etc.