ASTM A312 TP 304H Pipes & Tubes are manufactured from high-carbon austenitic stainless steel, specifically designed for elevated temperature applications. The higher carbon content of grade 304H enhances creep resistance and tensile strength at high temperatures, making these pipes and tubes suitable for demanding service conditions. They offer excellent oxidation resistance and perform reliably in continuous high-heat environments..
Metal Tubular Products is a trusted stockiest and supplier of ASTM A312 TP 304H Pipes & Tubes worldwide, providing materials that conform strictly to ASTM and ASME standards. The pipes and tubes are produced using advanced manufacturing techniques to ensure uniform grain structure, precise dimensions, and superior surface finish. Each product is supplied with complete test certification and traceability..
ASTM A312 TP 304H Pipes & Tubes supplied by Metal Tubular Products exhibit good weldability and formability, despite their higher carbon content. They are commonly used in applications where strength retention at elevated temperatures is critical. These pipes and tubes maintain structural integrity and corrosion resistance in both oxidizing and mildly corrosive environments..
These stainless steel pipes and tubes are available in seamless and welded forms, with a wide range of sizes, schedules, and wall thicknesses. Metal Tubular Products maintains ready stock to meet urgent project requirements and also offers customized lengths, end finishes, and surface treatments to suit specific industrial applications..
| Standard | ASTM A312 / ASME SA312 |
|---|---|
| Grade | TP 304H |
| Material | Austenitic Stainless Steel (High Carbon) |
| Product Forms | Seamless (SMLS), Welded (ERW) |
| Manufacturing Process | Hot Finished / Cold Drawn |
| Surface Finish | Annealed & Pickled, Bright Annealed, Polished |
| End Finish | Plain End, Beveled End |
| Schedules | SCH 5, 10, 20, 40, 80, 160, XXS |
| Application | High Temperature Piping, Power Plants, Refineries, Petrochemical Industries |
ASTM A312 TP 304H Pipes & Tubes are widely used in power generation, refineries, petrochemical plants, heat exchangers, boilers, and pressure vessels. Their ability to withstand high temperatures and pressures makes them ideal for superheaters, reheaters, and high-temperature piping systems where long service life is essential.
With a strong global distribution network, Metal Tubular Products ensures timely delivery of ASTM A312 TP 304H Pipes & Tubes to customers across international markets. The company’s commitment to consistent quality, competitive pricing, and reliable supply has made it a preferred supplier for high-temperature stainless steel piping solutions worldwide..
| Element | % by Weight |
|---|---|
| Carbon (C) | 0.04 – 0.10 |
| Manganese (Mn) | 2.00 max |
| Phosphorus (P) | 0.045 max |
| Sulfur (S) | 0.030 max |
| Silicon (Si) | 1.00 max |
| Chromium (Cr) | 18.00 – 20.00 |
| Nickel (Ni) | 8.00 – 11.00 |
| Nitrogen (N) | 0.10 max |
| Property | Value |
|---|---|
| Tensile Strength | 515 MPa (75 ksi) min |
| Yield Strength (0.2% Offset) | 205 MPa (30 ksi) min |
| Elongation | 40% min |
| Hardness | 217 HB max |
| Nominal Size (NB) | Outside Diameter (mm) | Wall Thickness (mm) | Length |
|---|---|---|---|
| 1/2" | 21.34 | 2.11 – 3.73 | Random / Cut Length |
| 1" | 33.40 | 2.77 – 4.55 | Random / Cut Length |
| 2" | 60.33 | 2.77 – 5.54 | Random / Cut Length |
| 4" | 114.30 | 3.05 – 8.56 | Random / Cut Length |
| Standard | Equivalent Grade |
|---|---|
| ASTM / ASME | 304H |
| UNS | S30409 |
| EN | 1.4948 |
| DIN | X6CrNi18-10 |
| JIS | SUS 304H |
ASTM A312 TP 304H Pipes & Tubes are mainly used in high-temperature applications such as power plants, refineries, petrochemical units, boilers, heat exchangers, and pressure vessels where strength and creep resistance at elevated temperatures are required.
The designation “TP 304H” indicates a high-carbon version of stainless steel 304. The higher carbon content improves tensile strength and creep resistance at elevated temperatures.
Yes, ASTM A312 TP 304H Pipes & Tubes are specifically designed for elevated temperature service and perform well in continuous high-heat environments.
ASTM A312 TP 304H Pipes & Tubes are available in Seamless (SMLS) and Welded (ERW) forms. They can be supplied in various sizes, schedules, and surface finishes to meet different industrial requirements.
ASTM A312 TP 304H Pipes & Tubes are stocked and supplied worldwide by Metal Tubular Products, offering certified materials, competitive pricing, timely delivery, and full compliance with international ASTM and ASME standards.
We export steel pipes and tubes to over 60 countries worldwide, serving clients across Asia, Europe, the Middle East, Africa, Oceania, and the Americas. Our strong global logistics network ensures reliable delivery, quality assurance, and compliance with international standards.
Export Destinations Include:
Afghanistan, Albania, Andorra, Angola, Austria, Australia, Bahrain, Bangladesh,
Bhutan, Brazil, Brunei, Belarus, Belgium, Bulgaria, Cambodia, China, Cyprus,
Croatia, Czech Republic, Canada, Denmark, Estonia, Egypt, Finland, France,
Germany, Greece, Georgia, Hungary, Iceland, Ireland, Italy, Indonesia, Iran,
Iraq, Israel, Japan, Jordan, Kazakhstan, Kuwait, Kyrgyzstan, Lebanon, Latvia,
Latin America, Liechtenstein, Lithuania, Luxembourg, Malta, Madagascar, Mexico,
Moldova, Monaco, Malaysia, Maldives, Mongolia, Myanmar (Burma), Nepal,
New Zealand, North Korea, Netherlands, Norway, Nigeria, Oman, Poland, Portugal,
Pakistan, Palestine, Philippines, Qatar, Russia, Romania, San Marino,
Serbia and Montenegro, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Saudi Arabia, Singapore, South Korea, South Africa, Sri Lanka, Sudan, Syria,
Taiwan, Tanzania, Tajikistan, Thailand, Turkey, Turkmenistan, Ukraine,
United Kingdom, United Arab Emirates (UAE), Uzbekistan, Venezuela, Vietnam,
Yemen, and more.
