ASTM A312 TP304, UNS S30400, 1.4301 Stainless Steel Seamless Round Pipe
ASTM A312 TP304 is a specification for seamless, welded, and heavily cold worked austenitic stainless steel pipes. It covers nominal pipe sizes ranging from 1/8 inch to 30 inches in diameter, with Schedule 5S, 10S, 40S, and 80S. The TP304 grade refers to the type 304 stainless steel, which is a commonly used grade for general corrosion resistance and high-temperature applications. The seamless pipes specified by ASTM A312 TP304 are typically used in industries such as chemical processing, oil and gas, food processing, pharmaceuticals, and water treatment. These pipes are known for their excellent corrosion resistance, durability, and high strength.
Some features:
1. Corrosion resistance: Stainless steel 304 seamless pipes are highly resistant to corrosion, which makes them suitable for various applications in different industries.
2. High temperature resistance: These pipes can withstand high temperatures without losing their structural integrity, making them ideal for applications in industries such as oil and gas, chemical, and food processing.
3. Strength and durability: Stainless steel 304 seamless pipes have excellent strength and durability, making them capable of withstanding high pressure and impact loads.
4. Easy to fabricate: Stainless steel 304 seamless pipes can be easily fabricated and welded, allowing for customization and versatility in various applications.
5. Hygiene and cleanability: These pipes have a smooth surface finish, making them easy to clean and maintain. They are often used in industries that require strict hygiene standards, such as pharmaceuticals and food processing.
6. Aesthetic appeal: Stainless steel 304 seamless pipes have a visually appealing appearance.
Equivalent Material Grades:
GRADE | UNS NO | OLD BRITISH | EURONORM | SWEDISH SS | JAPANESE JIS | ||
BS | EN | NO | NAME | ||||
SS304 | S30400 | 304S31 | 58E | 1.4301 | X5CrNi18-10 | 2332 | SUS 304 |
Chemical Composition:
Grade | C | Mn | P | S | Si | Ni | Cr | Fe |
TP304 | 0.08 | 2.00 | 0.045 | 0.030 | 1.0 | 8-11 | 18-20 | Bal. |
Mechanical Properties:
Density | 8.0 g/cm3 |
Melting Point | 1400 °C (2550 °F) |
Tensile Strength | Psi – 75000 , MPa – 515 |
Yield Strength (0.2%Offset) | Psi – 30000 , MPa – 205 |
Elongation | 35 % |
Application:
Boilers
Food processing equipment
Chemical industry
Heat exchangers
Threaded fasteners
Oil and gas equipment
Marine equipment
Structure Steel