Stainless steel 321H pipe are seamless pipes widely used in various industries such as oil & gas, pharmaceutical, petrochemical, and food processing. These pipes are known for their high-temperature resistance, corrosion resistance, and durability. Various types of ASTM A 312 Grade TP 321H Seamless Pipes are available, such as welded pipes, seamless pipes, and electric fusion-welded pipes. The welded pipes are made by welding two pieces of metal together, and the seamless pipes are made by heating a solid piece of metal and then passing it through a die to form a tube shape. The electric fusion-welded pipes are made by melting two pieces of metal together using an electric arc. The seamless pipes are the most popular type of A312 321H pipes due to their high tensile strength, corrosion resistance, and high-temperature resistance.
ASME SA 312 321H Round pipes are widely used in various industries, such as oil & gas, petrochemical, food processing, and pharmaceutical. The pipes transport liquids, gasses, and chemicals at high temperatures and pressures. The pipes are also used to construct boilers, heat exchangers, and condensers. The food processing industry uses these pipes to transport products that require high sanitary standards, such as milk, juice, and beer. The pharmaceutical industry also uses these pipes for transporting drug liquids and fluids.
One of the main benefits of Stainless steel 321H pipe is their high-temperature resistance, which makes them ideal for use in high-temperature environments, such as refineries and power plants. They can withstand temperatures up to 1000 degrees Celsius without losing structural integrity. Another benefit is their corrosion resistance, which makes them ideal for use in environments prone to corrosion, such as chemical plants and offshore oil rigs. They are also durable and long-lasting, which makes them cost-effective in the long run.
In addition to their high-temperature resistance, corrosion resistance, and durability, SA 312 Grade TP 321H Seamless Pipes also offer other benefits, such as low maintenance, easy installation, and a smooth inner surface that reduces friction and improves flow rates. The pipes are also available in various sizes and thicknesses, which makes them suitable for different applications.
Stainless steel 321H pipe are an essential component of various industries. They offer numerous benefits, such as high-temperature resistance, corrosion resistance, durability, low maintenance, easy installation, and a smooth inner surface. Choosing the right type of pipe for the specific application is important to ensure optimal performance and longevity.
Stainless steel 321H pipe
ASTM A312 TP321H Pipe
SCH 40 321H SS pipe
Table of Content
| Sizes | Standard | Schedule |
|---|---|---|
OD: 0.5" - 24" |
ASTM A312 / ASME SA312 |
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| Dimensional standard | Surface | Origin |
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| Payment terms | Type | ASTM A312 TP321H pipe Length |
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| Value Added Services | Testing Provided By Supplier | Delivery Conditions |
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| International standards | Marking on Stainless steel 321H pipe | Packaging |
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| Cutting techniques | Form | Ends |
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SA312 TP321H Round Pipe
SS 321H High Pressure Pipe
WNR 1.4878 Rectangular Pipe
AISI 321H Seamless Pipe
321H SS Square Pipe
UNS S32109 Hot Finished Pipe
Alloy 321H Polished Pipe
321H Stainless Steel Cold Drawn Pipe
SS 321H Thin Wall Pipe
| Price list of Stainless steel 321H pipe | SS 321H pipe Price in USD | ASTM A312 TP321H pipe Price in UAE Dirham |
|---|---|---|
| ASTM A312 GRADE TP321H HOT FINISHED SEAMLESS PIPE - (273.1MM OD X 23.90MM THK X 5.5-6.2M) | US $2.82 per kg | 10.35 UAE Dirham per kg |
| SEAMLESS 321H STAINLESS STEEL PIPES HOT FINISH TP | US $2.42 per kg | 8.90 UAE Dirham per kg |
1% Elongation1) for |
Rupture2) for | ||||
|---|---|---|---|---|---|
| Temperature °C | 1,000 h N/mm2 | 10,000 h N/mm2 | 1,000 h N/mm2 | 10,000 h N/mm2 | 100,000 h N/mm2 |
| 600 | 110 | 85 | 200 | 142 | 65 |
| 700 | 45 | 30 | 88 | 48 | 22 |
| 800 | 15 | 10 | 30 | 15 | 10 |
| O.D. Inches | NPS | WALL THICKNESS ( Inches) |
|||||||
| 5s | 5 | 10s | 10 | 20 | 30 | 40s & Std | 40 | ||
| .405 | 1/8 | .035 | .049 | .049 | .068 | .068 | |||
| .540 | 1/4 | .049 | .065 | .065 | .088 | .088 | |||
| .675 | 3/8 | .049 | .065 | .065 | .091 | .091 | |||
| .840 | 1/2 | .065 | .065 | .083 | .083 | .109 | .109 | ||
| 1.050 | 3/4 | .065 | .065 | .083 | .083 | .113 | .113 | ||
| 1.315 | 1 | .065 | .065 | .109 | .109 | .133 | .133 | ||
| 1.660 | 1 1/4 | .065 | .065 | .109 | .109 | .140 | .140 | ||
| 1.900 | 1 1/2 | .065 | .065 | .109 | .109 | .145 | .145 | ||
| 2.375 | 2 | .065 | .065 | .109 | .109 | .154 | .154 | ||
| 2.875 | 2 1/2 | .083 | .083 | .120 | .120 | .203 | .203 | ||
| 3.500 | 3 | .083 | .083 | .120 | .120 | .216 | .216 | ||
| 4.000 | 3 1/2 | .083 | .083 | .120 | .120 | .226 | .226 | ||
| 4.500 | 4 | .083 | .083 | .120 | .120 | .237 | .237 | ||
| 5.000 | 4 1/2 | .247 | |||||||
| 5.563 | 5 | .109 | .109 | .134 | .134 | .258 | .258 | ||
| 6.625 | 6 | .109 | .109 | .134 | .134 | .280 | .280 | ||
| 7.625 | 7 | .301 | |||||||
| 8.625 | 8 | .109 | .109 | .148 | .148 | .250 | .277 | .322 | .322 |
| 9.625 | 9 | .342 | |||||||
| 10.750 | 10 | .134 | .134 | .165 | .165 | .250 | .307 | .365 | .365 |
| 11.750 | 11 | .375 | |||||||
| 12.750 | 12 | .156 | .165 | .180 | .180 | .250 | .330 | .375 | .406 |
| 14.000 | 14 | .156 | .188 | .250 | .312 | .375 | .375 | .437 | |
| 16.000 | 16 | .165 | .188 | .250 | .312 | .375 | .375 | .500 | |
| 18.000 | 18 | .165 | .188 | .250 | .312 | .437 | .375 | .562 | |
| 20.000 | 20 | .188 | .218 | .250 | .375 | .500 | .375 | .593 | |
| 24.000 | 24 | .218 | .250 | .250 | .375 | .562 | .375 | .687 | |
| 26.000 | 26 | .312 | .500 | .375 | |||||
| 28.000 | 28 | 312 | .500 | .625 | .375 | ||||
| 30.000 | 30 | .250 | .312 | .312 | .500 | .625 | .375 | ||
| 32.000 | 32 | .312 | .500 | .625 | .375 | .688 | |||
| 34.00 | 34 | .312 | .500 | .625 | .375 | .688 | |||
| 36.000 | 36 | .312 | .625 | .375 | .750 | ||||
| 42.000 | 42 | .375 | |||||||
| 48.000 | 48 | .375 | |||||||
| Grade | C | Ni | P | Mn | Cr | S | Ti | N | Si |
| SS 321H | 0.04 - 0.10 | 9.00 - 12.00 | 0.045 max | 2.0 max | 17.00 - 19.00 | 0.030 max | 4(C+N) - 0.70 max | 0.10 max | 1.0 max |
| Yield Strength (0.2%Offset) | Density | Tensile Strength | Melting Point | Elongation |
| Psi - 30000 , MPa - 205 | 8.0 g/cm3 | Psi - 75000 , MPa - 515 | 1457 °C (2650 °F) | 35 % |
| STANDARD | JIS | UNS | WERKSTOFF NR. | EN |
| SS 321H | SUS 321H | S32109 | 1.4878 | X12CrNiTi18-9 |
| QUENCH | Rapid Air/Water |
| MELTING POINT | 1398 – 1446 (°C) / 2550 – 2635 (°F) |
| ANNEALED | 1040 – 1100 (°C) / 1900 – 2000 (°F) |
| Temperature range | up to about 900°C |
| Nom Size Inches |
OD mm |
Thk Weight |
XS | STD | sch10 | sch30 | sch20 | sch40 | sch80 | sch140 | sch100 | sch60 | sch120 | XXS | sch160 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1/8 | 10.3 | mm kg/m |
2.41 0.47 |
1.73 0.36 |
... | ... | ... | 1.73 0.36 |
2.41 0.47 |
... | ... | ... | ... | ... | ... |
| 1/4 | 13.7 | mm kg/m |
3.02 0.80 |
2.24 0.63 |
... | ... | ... | 2.24 0.63 |
3.02 0.80 |
... | ... | ... | ... | ... | ... |
| 3/8 | 17.1 | mm kg/m |
3.2 1.10 |
2.31 0.84 |
... | ... | ... | 2.31 0.84 |
3.2 1.10 |
... | ... | ... | ... | ... | ... |
| 1/2 | 21.3 | mm kg/m |
3.73 1.62 |
2.77 1.27 |
... | ... | ... | 2.77 1.27 |
3.73 1.62 |
... | ... | ... | ... | 7.47 2.55 |
4.78 1.95 |
| 3/4 | 26.7 | mm kg/m |
3.91 2.2 |
2.87 1.69 |
... | ... | ... | 2.87 1.69 |
3.91 2.2 |
... | ... | ... | ... | 7.82 3.64 |
5.56 2.90 |
| 1 | 33.4 | mm kg/m |
4.55 3.24 |
3.38 2.5 |
... | ... | ... | 3.38 2.5 |
4.55 3.24 |
... | ... | ... | ... | 9.09 5.45 |
6.35 4.24 |
| 1 1/4 | 42.2 | mm kg/m |
4.85 4.47 |
3.56 3.39 |
... | ... | ... | 3.56 3.39 |
4.85 4.47 |
... | ... | ... | ... | 9.7 7.77 |
6.35 5.61 |
| 1 1/2 | 48.3 | mm kg/m |
5.08 5.41 |
3.68 4.05 |
... | ... | ... | 3.68 4.05 |
5.08 5.41 |
... | ... | ... | ... | 10.16 9.56 |
7.14 7.25 |
| 2 | 60.3 | mm kg/m |
5.54 7.48 |
3.91 5.44 |
... | ... | ... | 3.91 5.44 |
5.54 7.48 |
... | ... | ... | ... | 11.07 13.44 |
8.74 11.11 |
| 2 1/2 | 73 | mm kg/m |
7.01 11.41 |
5.16 8.63 |
... | ... | ... | 5.16 8.63 |
7.01 11.41 |
... | ... | ... | ... | 14.02 20.39 |
9.53 14.92 |
| 3 | 88.9 | mm kg/m |
7.62 15.27 |
5.49 11.29 |
... | ... | ... | 5.49 11.29 |
7.62 15.27 |
... | ... | ... | ... | 15.24 27.68 |
11.13 21.35 |
| 3 1/2 | 101.6 | mm kg/m |
8.08 18.63 |
5.74 13.57 |
... | ... | ... | 5.74 13.57 |
8.08 18.63 |
... | ... | ... | ... | ... | ... |
| 4 | 114.3 | mm kg/m |
8.56 22.32 |
6.02 16.07 |
... | ... | ... | 6.02 16.07 |
8.56 22.32 |
... | ... | ... | 11.13 28.32 |
17.12 41.03 |
13.49 33.54 |
| 5 | 141.3 | mm kg/m |
9.53 30.97 |
6.55 21.77 |
... | ... | ... | 6.55 21.77 |
9.53 30.97 |
... | ... | ... | 12.70 40.28 |
19.05 57.43 |
15.88 49.11 |
| 6 | 168.3 | mm kg/m |
10.97 42.56 |
7.11 28.26 |
... | ... | ... | 7.11 28.26 |
10.97 42.56 |
... | ... | ... | 14.27 54.2 |
21.95 79.22 |
18.26 67.56 |
| 8 | 219.1 | mm kg/m |
12.70 64.64 |
8.18 42.55 |
... | 7.04 36.81 |
6.35 33.31 |
8.18 42.55 |
12.70 64.64 |
20.62 100.93 |
15.09 75.92 |
10.31 53.08 |
18.26 90.44 |
22.22 107.92 |
23.01 111.27 |
| 10 | 273 | mm kg/m |
12.70 81.55 |
9.27 60.31 |
... | 7.80 51.03 |
6.35 41.77 |
9.27 60.31 |
15.09 96.01 |
25.40 155.10 |
18.26 114.75 |
12.70 81.55 |
21.44 133.06 |
25.40 155.15 |
28.58 172.33 |
| 12 | 323.8 | mm kg/m |
12.70 97.46 |
9.53 73.88 |
... | 8.38 65.2 |
6.35 49.73 |
10.31 79.73 |
17.48 132.08 |
28.58 208.08 |
21.44 159.91 |
14.27 108.96 |
25.4 186.97 |
25.40 186.97 |
33.32 238.76 |
| 14 | 355.6 | mm kg/m |
12.70 107.39 |
9.53 81.33 |
6.35 54.69 |
9.53 81.33 |
7.92 67.9 |
11.13 94.55 |
19.05 158.10 |
31.75 253.58 |
23.83 194.96 |
15.09 126.71 |
27.79 224.65 |
... | 35.71 281.7 |
| 16 | 406.4 | mm kg/m |
12.70 123.3 |
9.53 93.27 |
6.35 62.64 |
9.53 93.27 |
7.92 77.83 |
12.70 123.3 |
21.44 203.53 |
36.53 332.21 |
26.19 245.56 |
16.66 160.12 |
30.96 286.64 |
... | 40.49 365.35 |
| 18 | 457.2 | mm kg/m |
12.70 139.15 |
9.53 105.16 |
6.35 70.57 |
11.13 122.38 |
7.92 87.71 |
14.27 155.8 |
23.83 254.55 |
39.67 408.28 |
29.36 309.62 |
19.05 205.74 |
34.92 363.56 |
... | 45.24 459.37 |
| 20 | 508 | mm kg/m |
12.70 155.12 |
9.53 117.15 |
6.35 78.55 |
12.70 155.12 |
9.53 117.15 |
15.09 183.42 |
26.19 311.17 |
44.45 508.15 |
32.54 381.53 |
20.62 247.83 |
38.1 441.49 |
... | 50.01 564.81 |
| 22 | 559 | mm kg/m |
12.700 171.10 |
9.53 129.14 |
6.35 86.55 |
12.700 171.10 |
9.53 129.14 |
... | 28.58 373.85 |
47.63 600.67 |
34.93 451.45 |
22.23 294.27 |
41.28 527.05 |
... | 53.98 672.3 |
| 24 | 610 | mm kg/m |
12.70 187.06 |
9.53 141.12 |
6.35 94.53 |
14.27 209.64 |
9.53 141.12 |
17.48 255.41 |
30.96 442.08 |
52.37 720.19 |
38.89 547.71 |
24.61 355.26 |
46.02 640.03 |
... | 59.94 808.22 |