316L annealed pickled pipe
Corrosion resistant ASTM A312 TP316L annealed pickled pipe for chemical processing
ASTM A312 TP316L annealed and pickled pipe is a low-carbon stainless steel with excellent corrosion resistance. Its enhanced resistance to intergranular and intergranular corrosion, combined with the smooth surface imparted by the pickling process, makes it an ideal choice for chemical processing. The "L" in the name indicates its low carbon content, which prevents intergranular corrosion after welding, while the annealing and pickling processes create a clean, smooth surface and enhance reliability in high-cleanliness applications. These properties make it a reliable choice for a wide range of chemical, pharmaceutical, and food processing applications in harsh corrosive environments.
Is 316 stainless steel corrosion-resistant?
Not completely impervious to all environments: While 316 stainless steel is highly corrosion-resistant, it does not withstand all conditions. In some cases, it can still be susceptible to stress corrosion cracking in high-temperature chloride environments.
ASTM A312 TP316L Annealed and Pickled Pipe: ASTM A312 TP316L Annealed and Pickled Pipe is an industrial-grade pipe made from annealed and pickled low-carbon austenitic stainless steel 316. It offers excellent corrosion resistance and surface fine lines. The low carbon content of 316L steel enhances its resistance to post-weld intergranular corrosion, making it particularly suitable for complex corrosive environments such as chlorides, weak acids, and alkalis. Its excellent mechanical strength and high-temperature performance make it widely used in industries such as chemical and petroleum, pharmaceuticals, food, seawater desalination, and clean transportation. The annealing and pickling surface treatment further enhances its service life and reliability in high-intensity or demanding operating conditions, making it suitable for projects requiring high corrosion resistance.
Pressure Rating Chart of ASTM A312 TP316L seamless Tube
| Pipe Size | Pipe Schedule | Temperature (°F) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| (inches) | 750 | 700 | 650 | 600 | 500 | 400 | 300 | 200 | 100 | |
| 1" | 160 | 3646 | 3684 | 3761 | 3876 | 4068 | 4375 | 4759 | 5296 | 6140 |
| 80 | 2501 | 2528 | 2580 | 2659 | 2791 | 3002 | 3265 | 3634 | 4213 | |
| 40 | 1810 | 1824 | 1867 | 1924 | 2019 | 2171 | 2362 | 2629 | 3048 | |
| 1 1/2" | 160 | 2743 | 2772 | 2829 | 2916 | 3060 | 3291 | 3580 | 3984 | 4619 |
| 80 | 1889 | 1909 | 1949 | 2009 | 2108 | 2267 | 2466 | 2744 | 3182 | |
| 40 | 1340 | 1354 | 1383 | 1425 | 1496 | 1608 | 1750 | 1947 | 2257 | |
| 2" | 160 | 2671 | 2699 | 2755 | 2840 | 2980 | 3205 | 3486 | 3880 | 4499 |
| 80 | 1631 | 1648 | 1682 | 1734 | 1820 | 1957 | 2129 | 2369 | 2747 | |
| 40 | 1129 | 1141 | 1165 | 1201 | 1260 | 1355 | 1474 | 1640 | 1902 | |
| 3" | 160 | 2280 | 2304 | 2352 | 2424 | 2544 | 2736 | 2976 | 3312 | 3840 |
| 80 | 1516 | 1532 | 1564 | 1612 | 1691 | 1819 | 1979 | 2202 | 2553 | |
| 40 | 1072 | 1084 | 1106 | 1140 | 1196 | 1287 | 1400 | 1558 | 1806 | |
ASTM A312 TP316L Seamless Tube Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 316L | min. | – | – | – | – | – | 16.0 | 2.0 | 10.0 | – |
| max. | 0.08 | 2.0 | 0.75 | 0.045 | 0.03 | 18.0 | 3.0 | 14.0 | 0.10 | |
Properties of ASME SA 312 TP 316L Pipe
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 316L | 515 | 205 | 40 | 95 | 217 |
Physical Composition of Stainless Steel 316L Seamless Pipe
| Grade | Elastic Modulus | Density | Thermal Conductivity (W/m.K) | Mean Coefficient of Thermal Expansion (m/m/ °C) | Electrical Resistivity | Specific Heat 0-1000 °C | |||
|---|---|---|---|---|---|---|---|---|---|
| at 5000 °C | at 1000 °C | 0 to 5380 °C | 0 to 3150 °C | 0 to 1000 °C | |||||
| 316L | 193 GPa | 8000 kg/m3 | 21.5 | 16.3 | 17.5 | 16.2 | 15.9 | 740 n.m | 500 J/kg.K |
Gnee Steel specializes in the production and sale of a wide range of stainless steel products, including 304, 316, 321, 904, 904L, 2205 Duplex, 2205 Duplex, and 316L stainless steel. Gnee Steel's products are widely used in the kitchen, aerospace, chemical, power, automotive, and nuclear energy sectors. We also provide custom stainless steel solutions tailored to customer needs. For stainless steel pricing or custom alloy solutions, please email ru@gneesteelgroup.com for a quote.