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Brief Introduction: HUI YOU TONG stocks a full range of seamless and welded stainless steel pipes of all kinds of size and shapes. Steel pipes exported by HUI YOU TONG have been applied to Oil and gas processing, Fertilizers and pesticides, Chemical applications, Construction, Pharmaceuticals, Automotive components, etc.
Scope of ASTM A312 Stainless Steel Pipe
This guide covers standard specification for seamless, straight-seam welded, and cold worked welded austenitic stainless steel pipe intended for high-temperature and general corrosive service.
|
Element |
TP304 (%) |
TP304L (%) |
TP316 (%) |
TP316L (%) |
|
Carbon (C) |
≤0.08 |
≤0.035 |
≤0.08 |
≤0.035 |
|
Manganese (Mn) |
≤2.00 |
≤2.00 |
≤2.00 |
≤2.00 |
|
Phosphorus (P) |
≤0.045 |
≤0.045 |
≤0.045 |
≤0.045 |
|
Sulfur (S) |
≤0.03 |
≤0.03 |
≤0.03 |
≤0.03 |
|
Silicon (Si) |
≤1.00 |
≤1.00 |
≤1.00 |
≤1.00 |
|
Chromium (Cr) |
18.0-20.0 |
18.0-20.0 |
16.0-18.0 |
16.0-18.0 |
|
Nickel (Ni) |
8.0-11.0 |
8.0-12.0 |
11.0-14.0 |
10.0-14.0 |
|
Molybdenum (Mo) |
- |
- |
2.0-3.0 |
2.0-3.0 |
Steel material grades shown above are some common grades. If you want to know more about other steel grades, please contact our HYT sales representatives to get more information.
Physical Property of ASTM A312 TP304 304L 316 316L
TP304 and TP304L:
Density: 7.93 g/cm³
Melting Point: 1400-1455°C (2550-2650°F)
Thermal Conductivity: At 100°C: 16.2 W/m·K
Specific Heat: 500 J/kg·K
Linear Expansion Coefficient: 17.2 x 10^-6/K at 20-100°C
TP316 and TP316L:
Density: 7.99 g/cm³
Melting Point: 1375-1400°C (2500-2550°F)
Thermal Conductivity: At 100°C: 16.3 W/m·K
Specific Heat: 500 J/kg·K
Linear Expansion Coefficient: 15.9 x 10^-6/K at 20-100°C
The above data is for reference only.
|
Grade |
Yield Strength, Mpa |
Tensile Strength, Mpa |
Elongation, % |
Brinell Hardness, HB |
|
TP304 |
205 |
515 |
40 |
201 |
|
TP304L |
170 |
485 |
40 |
201 |
|
TP316 |
205 |
515 |
40 |
217 |
|
TP316L |
170 |
485 |
40 |
217 |
Characteristics of ASTM A312 TP304 304L 316 316L
ASTM A312 TP304:
Corrosion Resistance: Good resistance to a wide variety of chemicals.
Heat Resistance: Good oxidation resistance in intermittent service up to 870°C and in continuous service to 925°C.
Weldability: Excellent weldability by all standard fusion methods.
ASTM A312 TP304L (L for Low Carbon):
Corrosion Resistance: Similar to TP304 but with higher resistance due to lower carbon content.
Heat Resistance: Similar to TP304.
Weldability: Lower carbon content reduces the risk of sensitization during welding. Excellent weldability.
ASTM A312 TP316:
Corrosion Resistance: Superior corrosion resistance compared to TP304, especially against chlorides and other industrial solvents.
Heat Resistance: Good oxidation resistance in intermittent service up to 870°C and in continuous service to 925°C.
Weldability: Excellent weldability.
ASTM A312 TP316L (L for Low Carbon):
Corrosion Resistance: Similar to TP316 but with higher resistance due to lower carbon content. Especially good in chloride environments.
Heat Resistance: Similar to TP316.
Weldability: Lower carbon content reduces the risk of sensitization during welding. Excellent weldability.
Petrochemical and Chemical Industries: Due to their resistance to corrosive substances and high temperatures, these pipes are widely used in the petrochemical and chemical sectors for transporting various chemicals and intermediates.
Oil and Gas: These pipes are commonly used in oil and gas extraction and processing because of their ability to resist corrosion from sour gas, as well as their structural integrity at high temperatures.
Power Generation: Within power plants, especially in environments where high-temperature steam is generated, these pipes are used for boilers, superheaters, heat exchangers, and other critical components.
Food and Beverage Industry: The non-reactive nature of austenitic stainless steel makes it suitable for use in food processing and transportation, ensuring the purity of the food product.
Water Treatment: ASTM A312 pipes are used in water treatment plants for their corrosion resistance, especially in desalination plants where saline water can be highly corrosive.
Pharmaceuticals: For purity and cleanliness reasons, pharmaceutical companies utilize stainless steel pipes in the manufacture of drugs.
Construction: In architectural and construction applications, these pipes are used for their aesthetic appeal, strength, and corrosion resistance.
Heat Exchangers: Stainless steel pipes, due to their excellent heat-resistant properties, are widely used in heat exchanger systems.
General Piping: For transporting liquids and gases in a variety of industries.
Automotive Industry: Used in the exhaust systems of vehicles due to their heat and corrosion resistance.
HYT supplies ASTM A312 TP304/304L, TP316/316L Stainless Steel Pipe in Welded and Seamless.
Standard: ASTM A312, ASME SA312
Common Use Grades: TP304, 304L, 316, 316L
Diameters: From 1/8 inch to 30 inch.
Wall thickness: SCH 10S, 40S, 80S
Length: 20ft, 40ft, Single Random Length, Double Random Length and Customized
Achieving the ISO 9001:2015 Certification is just one example of HUI YOU TONgs' dedication to quality and continuous improvement. Each employee is responsible for understanding company expectations and adhering to the procedures of our Quality Management System.
Since 2015, HYT has actively cooperated with many domestic steel mills. HYT regularly exchange steel technology with these mills and make progress from this. ln the process of communicating with customers, we carefully listen to customers' requirements and produce steel products as customers' demands. Under necessary circumstances, HYT is willing to help customers find suitable steel mill to produce some special products to save time and cost for customers because we have the reliable resources of still mills to prevent you to be cheated.
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