Introducing the ASTM A312 321 Stainless Steel Pipe, a top-quality steel pipe that boasts excellent durability and performance. This advanced stainless steel pipe is designed to withstand the toughest conditions, making it perfect for high-stress applications. With its superior strength, corrosion resistance, and heat resistance, the A312 TP 321 Pipe is an ideal choice for plumbing and industrial applications.
Manufactured in compliance with ASTM A312 standards, the TP321 Stainless Steel Pipe is made from high-grade stainless steel that fully complies with EN, DIN, JIS, and other international standards. It is a type 321 stainless steel pipe that offers excellent corrosion resistance, making it perfect for use in harsh environments. As a result, the A312 TP321 Pipe is widely used in the chemical, petrochemical, pharmaceutical, and food processing industries.
The Type 321 Stainless Steel Pipe is seamless, ensuring that it can be used for conveying fluids without leaks or breaks. It is made from AISI 321 Stainless Steel, a material that offers high strength and resistance to thermal deformation. Its resistance to oxidation and scaling make it the perfect choice for high-temperature applications.
When it comes to pricing, the 321 Stainless Steel Pipe is relatively affordable, especially considering its superior quality and performance. There are many reliable 321 Stainless Steel Pipe Suppliers in the market, offering high-quality pipes at competitive prices. The UNS S32100 Pipe is one such product that is highly sought-after due to its excellent design and durability.
In conclusion, the A312 321 Stainless Steel Pipe is an excellent choice for any application that demands high quality, durability, and outstanding performance. With its impressive strength and corrosion resistance, it is the ideal solution for a wide range of industrial applications. Whether you are in the chemical industry, food processing, or pharmaceuticals, the 321 Stainless Steel Pipe is the perfect choice for your needs.
ASTM A312 is a standard issued by the American Society for Testing and Materials (ASTM) that outlines the specifications for steel seamless and welded pipes. It provides guidelines on the manufacturing process of 321 stainless steel pipes, highlighting the allowable deviation and surface quality requirements. These pipes, classified under the TP321 grade, are composed of titanium-stabilized austenitic stainless steel, known for its exceptional resistance to corrosion. The addition of titanium in the composition prevents carbide precipitation during welding, making these pipes suitable for applications that involve exposure to high temperatures. Moreover, due to its remarkable resistance to oxidation at elevated temperatures, ASTM A312 321 stainless steel pipes are often referred to as "stabilized stainless steel pipes."
- Austenitic stainless steel pipes that are seamless, welded, or heavily cold worked are covered under the ASTM A312 standard specification. This specification outlines the requirements for these types of pipes, ensuring their quality and reliability. The ASTM A312 standard is widely used in various industries that require corrosion-resistant and durable stainless steel pipes. By adhering to this specification, manufacturers can ensure that their products meet the necessary standards and can be utilized in applications where austenitic stainless steel pipes are required.
- Below is a rearranged version of the available grades provided:
The following grades are available for selection: TP304, TP304L, TP316, TP316L, 316Ti, TP317, TP317L, TP310, TP310S, TP321, TP347, TP347H, S31254, N08367, N08904.
Please note that the content above lists a variety of grades that can be chosen from for specific applications. Whether you require TP304, TP304L, TP316, TP316L, or any other grade, it is crucial to consider the unique characteristics and properties of each grade. By selecting the appropriate grade, you can ensure optimum performance and suitability for your intended purpose.
- The specification for stainless steel pipes is outlined in ANSI B36.19. This document provides guidelines and requirements for the manufacturing and selection of stainless steel pipes, ensuring that they meet certain quality and safety standards. The use of stainless steel pipes is widespread across various industries due to their durability, corrosion resistance, and high heat resistance. In order to ensure that the pipes meet industry standards, it is essential to follow the guidelines set forth in ANSI B36.19. This specification covers a range of topics, including the types of stainless steel that can be used for pipes, the dimensions and tolerances that must be adhered to during manufacturing, and the testing and inspection procedures that must be conducted to ensure the pipes are safe for use. By adhering to these guidelines, manufacturers can produce high-quality stainless steel pipes that meet industry standards and provide long-lasting performance to end users.
ASTM A312 321 Stainless Steel Pipe Specifications
| Pipe Specifications | ASTM A312 / ASME SA 312 |
| Pipe Standard | DIN, JIS, ASTM, EN, GB, AISI, ASME |
| Pipe Thickness | 0.3mm - 50 mm |
| Welded Pipe size | 5.0 mm - 1219.2 mm |
| Seamless Pipe Outer Diameter | 6.00 mm OD up to 250 mm OD, Sizes up to 12” NB |
| Pipe Schedule | SCH 5, SCH10, SCH20, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS. Let's arrange the given information in a slightly different order. The different scheduling options include SCH XXS, SCH 160, SCH 80S, SCH 80, SCH 40, SCH 20, SCH10, SCH 5, and SCH XS. These different schedules are used in various industries for different purposes. |
| Length | 6m, 12m, Cut Length |
| Form | We offer a variety of pipes to meet your needs, including round pipes, square pipes, and rectangular pipes. Our hydraulic pipes are designed for high-pressure applications, and we can even create custom pipes to fit your unique requirements. Whether you need pipes for industrial, commercial, or residential use, we have the expertise and materials to deliver the right solution for you. Contact us today to learn more about our pipe options and to request a quote for your project. |
| Pipe Type | Seamless / ERW/ EFW / Welded / Fabricated Pipe |
| Pipe End | Plain End, Beveled End, Treaded Pipe |
| Delivery Conditions |
There are various methods used in the manufacturing industry to modify the properties of metals. Among these methods are rolling, forming, stress relief, annealing, hardening, tempering, and cold drawing. Each of these processes has unique characteristics that make them suitable for specific applications. |
|
Technique |
Cold Rolled, Hot Rolled |
ASTM A312 TP 321 Pipe Chemical Composition
- Carbon (C): 0.08% max.
- Manganese (Mn): 2.00% max
- Phosphorus (P): 0.045% max
- Sulfur (S): 0.030% max
- Silicon (Si): 1.00% max
- Chromium (Cr): 17.0-19.0%
- Nickel (Ni): 9.0-12.0%
- Titanium (Ti): min 5x(C+N), max 0.70%
TP321 Stainless Steel Pipe Heat Resistance
TP321 stainless steel pipe has excellent high-temperature resistance. They can withstand temperatures up to approximately 870°C (1600°F) in continuous operation and up to 925°C (1700°F) in intermittent operation.
Stainless Steel 321 Pipe Heat Treatment
Solution Annealing: Heat TP321 stainless steel pipe to a temperature range of about 950°C (1740°F)-1050°C (1920°F), hold it for a period of time, and then cool it rapidly. This process helps to remove carbide precipitates in stainless steel, restoring its corrosion resistance and mechanical properties.
Aisi 321 Stainless Steel Pipe Mechanical Properties
The mechanical properties of TP321 stainless steel pipe depend on heat treatment and manufacturing process. Typically, the minimum tensile strength is approximately 515 MPa (75,000 psi) and the minimum yield strength is approximately 205 MPa (30,000 psi). The pipe has good ductility and toughness.
UNS S32100 Stainless Steel Pipe Pressure rating
| Pipe Schedule | Pipe Size in Inch | Temperature | ||||||||
| 100 | 200 | 300 | 400 | 500 | 600 | 650 | 700 | 750 | ||
| 40 | 1 1/2 | 1629 | 1629 | 1629 | 1512 | 1404 | 1317 | 1287 | 1258 | 1229 |
| 80 | 2303 | 2303 | 2303 | 2138 | 1986 | 1862 | 1821 | 1779 | 1738 | |
| 160 | 3362 | 3362 | 3362 | 3120 | 2899 | 2717 | 2657 | 2597 | 2536 | |
| 40 | 1 | 2205 | 2205 | 2205 | 2047 | 1902 | 1783 | 1743 | 1703 | 1664 |
| 80 | 3061 | 3061 | 3061 | 2841 | 2640 | 2475 | 2420 | 2365 | 2310 | |
| 160 | 4493 | 4493 | 4493 | 4170 | 3874 | 3632 | 3552 | 3471 | 3390 | |
| 40 | 2 | 1371 | 1371 | 1371 | 1272 | 1182 | 1108 | 1083 | 1059 | 1034 |
| 80 | 1985 | 1985 | 1985 | 1843 | 1712 | 1605 | 1569 | 1534 | 1498 | |
| 160 | 3283 | 3283 | 3283 | 3047 | 2831 | 2654 | 2595 | 2536 | 2477 | |
| 40 | 3 | 1301 | 1301 | 1301 | 1208 | 1122 | 1052 | 1028 | 1005 | 982 |
| 80 | 1844 | 1844 | 1844 | 1712 | 1590 | 1491 | 1458 | 1425 | 1391 | |
| 160 | 2787 | 2787 | 2787 | 2587 | 2403 | 2253 | 2203 | 2153 | 2103 | |
| 40 | 4 | 1102 | 1102 | 1102 | 1023 | 950 | 891 | 871 | 851 | 831 |
| 80 | 1596 | 1596 | 1596 | 1482 | 1377 | 1291 | 1262 | 1233 | 1204 | |
| 160 | 2611 | 2611 | 2611 | 2424 | 2552 | 2111 | 2064 | 2017 | 1970 | |
| 40 | 5 | 965 | 965 | 965 | 896 | 832 | 780 | 763 | 746 | 728 |
| 80 | 1428 | 1428 | 1428 | 1325 | 1231 | 1154 | 1129 | 1103 | 1077 | |
| 160 | 2474 | 2474 | 2474 | 2296 | 2133 | 2000 | 1955 | 1911 | 1866 | |
| 40 | 6 | 877 | 877 | 877 | 814 | 756 | 709 | 693 | 677 | 661 |
| 80 | 1379 | 1379 | 1379 | 1280 | 1189 | 1115 | 1090 | 1065 | 1040 | |
| 160 | 2382 | 2382 | 2382 | 2211 | 2054 | 1925 | 1883 | 1840 | 1797 | |
| 40 | 8 | 771 | 771 | 771 | 716 | 665 | 623 | 610 | 596 | 582 |
| 80 | 1218 | 1218 | 1218 | 1131 | 1050 | 985 | 963 | 941 | 919 | |
| 160 | 2298 | 2298 | 2298 | 2133 | 1982 | 1858 | 1817 | 1775 | 1734 | |
| 40 | 10 | 699 | 699 | 699 | 649 | 603 | 565 | 553 | 540 | 528 |
| 80 | 1159 | 1159 | 1159 | 1075 | 999 | 937 | 916 | 895 | 874 | |
| 160 | 2289 | 2289 | 2289 | 2124 | 1974 | 1850 | 1809 | 1768 | 1727 | |
ASME SA312 UNS S32100 Pipe Size
ASTM A312 TP321 is a specification for seamless, welded, and heavily cold-worked austenitic stainless steel tubing made of titanium-stabilized 321 stainless steel. This specification covers pipe from nominal sizes ranging from 1/8 inch to 30 inches. Unless otherwise agreed, for all NPS 1/8 ~ NPS 8 steel pipes, the maximum available length is 24ft, and the allowable length range is 15 ~ 24ft). Short lengths are acceptable, but their quantity and minimum length are to be agreed between the buyer and seller. If a custom length supply is required, the required length shall be specified in the order form. The upper deviation of the cut length is 1/4in. (6mm), and a lower deviation is not allowed.
ASTM A312 Dimensional Tolerance
| standard | Outer Diameter(mm) | Wall Thickness(mm) | Length(mm) | |||
| range | deviation | range | deviation | range | deviation | |
| ASTM A312 | [10.29,48.26] | 0.4/-0.8 | [10.29，73.03] | 20%/-12.5% | L≤7.3m | 6/-0 |
| (48.26,114.30] | 0.8/-0.8 | [88.9，457.2]（t/D≤5%） | 22.5%/-12.5% | |||
| (114.30,219.08] | 1.6/-0.8 | [88.9，457.2]（t/D＞5%） | 15%/-12.5% | |||
| (219.08,457.20] | 2.4/-0.8 | D≥508（t/D≤5%） | 22.5%/-12.5% | |||
| Ovality conditions for thin-walled tubes (t/D≤3%): Any section of steel pipe Dmax-Dmin≤1.5%Dnominal, and the average value of the maximum and minimum diameters of the section (Dmax+Dmin)/2 meets the tolerance range of the specified diameter | D≥508（t/D＞5%） | 15%/-12.5% | ||||
|
Weight deviation of steel pipe with outer diameter ≤ NPS12: +10%/-3.5%; Weight deviation of steel pipe with outer diameter> NPS12: +10%/-5% |
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ASTM A312 321 Stainless Steel Pipe Application
ASTM A312 TP321 Stainless Steel Pipe has applications in various industries including:
- Chemical processing and storage equipment
- Aerospace industry
- power generation
- Heat exchangers and boilers
- Food processing equipment
- Pharmaceutical Industry
- Oil and gas refineries
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