شرکت وِنژو کایشین کایشین فلز
As we all know ASTM A312 TP321 Seamless Pipe is one of the most popular austenitic stainless steel pipe for high-temperature and general corrosive service. It can be used in many industries like oil and gas, water, mineral slurry transmission and structural purposes.
321 Stainless Steel Seamless Pipes Specification
| Specifications | ASTM A312 / SA 312 |
| ابعاد | ASTM, ASME and API |
| اندازه | 1/8″NB TO 30″NB IN |
| Seamless 321 Pipes | 1/2″ NB – 16″ NB |
| برنامه | SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| نوع | ASTM A 312 TP 321 Seamless Pipes |
| Specialized in | Large Diameter Size |
| طول | Single Random, Double Random & Cut Length. |
| Form | گرد، مربع، مستطیلی، هیدرولیک و غیره |
| End | Plain End, Beveled End, Treaded |
Stainless Steel 321 Seamless Pipe Equivalent
| نمره | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | ||
| بیاس | En | No | نام | ||||
| 321 | S32100 | 321S31 | 58B, 58C | 1.4541 | X6CrNiTi18-10 | 2337 | SUS 321 |
ASTM A312 321 Chemical Composition
| C | امان | سی | P | S | کروم | نی |
| 0.08 | 2.00 | 1.00 | 0.045 | 0.030 | 17.0-19.0 | 9.0-12.0 |
ASTM A312 321 Mechanical Properties
| مقاومت کششی | مقاومت تسلیم | افزایش طول |
| 515 (MPa) min | 205 (MPa) min | 40 (% ) min |
Physical Properties of ASTM A312 TP 321 Stainless Steel Seamless Pipe
| نمره | Density (kg/m3) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (m/m/0C) | Thermal Conductivity (W/m.K) | |||
| 0-1000C | 0-3150C | 0-5380C | at 1000C | at 5000C | |||
| 321 | 8027 | 193 | 16.6 | 17.2 | 18.6 | 16.1 | 22.2 |
Stainless Steel ASTM A312 TP321 Pipe Sizes
| سود خالص عملیاتی | OD | SCH 5S | SCH 10S | SCH 40S | SCH 80S |
| 1/4 | 13.72 | – | 1.65 | 2.24 | 3.02 |
| 3/8 | 17.15 | – | 1.65 | 2.31 | 3.2 |
| 1/2 | 21.34 | 1.65 | 2.11 | 2.77 | 3.73 |
| 3/4 | 26.67 | 1.65 | 2.11 | 2.87 | 3.91 |
| 1 | 33.4 | 1.65 | 2.77 | 3.38 | 4.55 |
| 1.25 | 42.16 | 1.65 | 2.77 | 3.56 | 4.85 |
| 1.5 | 48.26 | 1.65 | 2.77 | 3.68 | 5.08 |
| 2 | 60.33 | 1.65 | 2.77 | 3.91 | 5.54 |
| 2.5 | 73.03 | 2.11 | 3.05 | 5.16 | 7.01 |
| 3 | 88.9 | 2.11 | 3.05 | 5.49 | 7.62 |
| 3.5 | 101.6 | 2.11 | 3.05 | 5.74 | 8.08 |
| 4 | 114.3 | 2.11 | 3.05 | 6.02 | 8.56 |
| 5 | 141.3 | 2.77 | 3.4 | 6.55 | 9.53 |
| 6 | 168.28 | 2.77 | 3.4 | 7.11 | 10.97 |
| 8 | 219.08 | 2.77 | 3.76 | 8.18 | 12.7 |
| 10 | 273.05 | 3.4 | 4.19 | 9.27 | 12.7 |
| 12 | 323.85 | 3.96 | 4.57 | 9.53 | 12.7 |
| 14 | 355.6 | 3.96 | 4.78 | 9.53 | 12.7 |
| 16 | 406.4 | 4.19 | 4.78 | 9.53 | 12.7 |
| 18 | 457.2 | 4.19 | 4.78 | 9.53 | 12.7 |
| 20 | 508 | 4.78 | 5.54 | 9.53 | 12.7 |
| 22 | 558.8 | 4.78 | 5.54 | – | – |
| 24 | 609.6 | 5.54 | 6.35 | 9.53 | 12.7 |
| 26 | 660.4 | – | – | – | – |
| 28 | 711.2 | – | – | – | – |
| 30 | 762 | 6.35 | 7.92 | – | – |
ASTM A312 SS 321 Seamless Pipe Tolerances
| سود خالص عملیاتی | ASTM A312 TP321 OD Tolerance | |||
| + | – | |||
| inch | میلیمتر | inch | میلیمتر | |
| 1/8~1 1 /2 > 1 1 /2~4 > 4~8 > 8~18 > 18~26 > 26~34 > 34~48 | 1/64(0.015) 1/32(0.031) 1/16(0.062) 3/32(0.093) 1/8(0.125) 5/32(0.156) 3/16(0.187) | 0.4 0.8 1.6 2.4 3.2 4.0 4.8 | 1/32(0.031) 1/32(0.031) 1/32(0.031) 1/32(0.031) 1/32(0.031) 1/32(0.031) 1/32(0.031) | 0.8 0.8 0.8 0.8 0.8 0.8 0.8 |
Wall Thickness Tolerance of ASTM A312 TP321 SS Seamless Pipe
| سود خالص عملیاتی | ASTM A312 TP321 WT Tolerance | |
| + | – | |
| 1/8-2 1/2 | 20 | 12.5 |
| 3-18,T/D≤5% | 22.5 | 12.5 |
| 3-18，T/D＞5% | 15 | 12.5 |
| ≥20，welded | 17.5 | 12.5 |
| ≥20,seamless,T/D≤5% | 22.5 | 12.5 |
| ≥20,seamless,T/D＞5% | 15 | 12.5 |
321 Pipe pressure rating
| Pipe Size (اینچ) | جدول لوله | Temperature (°F) | ||||||||
| 100 | 200 | 300 | 400 | 500 | 600 | 650 | 700 | 750 | ||
| یک اینچ | 40 | 3048 | 2629 | 2362 | 2171 | 2019 | 1924 | 1867 | 1824 | 1810 |
| یک اینچ | 80 | 4213 | 3634 | 3265 | 3002 | 2791 | 2659 | 2580 | 2528 | 2501 |
| یک اینچ | 160 | 6140 | 5296 | 4759 | 4375 | 4068 | 3876 | 3761 | 3684 | 3646 |
| 1.5″ | 40 | 2257 | 1947 | 1750 | 1608 | 1496 | 1425 | 1383 | 1354 | 1340 |
| 1.5″ | 80 | 3182 | 2744 | 2466 | 2267 | 2108 | 2009 | 1949 | 1909 | 1889 |
| 1.5″ | 160 | 4619 | 3984 | 3580 | 3291 | 3060 | 2916 | 2829 | 2772 | 2743 |
| ۲ اینچ | 40 | 1902 | 1640 | 1474 | 1355 | 1260 | 1201 | 1165 | 1141 | 1129 |
| ۲ اینچ | 80 | 2747 | 2369 | 2129 | 1957 | 1820 | 1734 | 1682 | 1648 | 1631 |
| ۲ اینچ | 160 | 4499 | 3880 | 3486 | 3205 | 2980 | 2840 | 2755 | 2699 | 2671 |
| ۳ اینچ | 40 | 1806 | 1558 | 1400 | 1287 | 1196 | 1140 | 1106 | 1084 | 1072 |
| ۳ اینچ | 80 | 2553 | 2202 | 1979 | 1819 | 1691 | 1612 | 1564 | 1532 | 1516 |
| ۳ اینچ | 160 | 3840 | 3312 | 2976 | 2736 | 2544 | 2424 | 2352 | 2304 | 2280 |
| ۴ اینچ | 40 | 1531 | 1321 | 1187 | 1091 | 1014 | 967 | 938 | 919 | 909 |
| ۴ اینچ | 80 | 2213 | 1909 | 1715 | 1577 | 1466 | 1397 | 1355 | 1328 | 1314 |
| ۴ اینچ | 160 | 3601 | 3106 | 2791 | 2566 | 2386 | 2273 | 2206 | 2161 | 2138 |
| ۵ اینچ | 40 | 1342 | 1158 | 1040 | 956 | 889 | 847 | 822 | 805 | 797 |
| ۵ اینچ | 80 | 1981 | 1709 | 1535 | 1411 | 1312 | 1250 | 1213 | 1189 | 1176 |
| ۵ اینچ | 160 | 3414 | 2945 | 2646 | 2433 | 2262 | 2155 | 2091 | 2049 | 2027 |
| ۶ اینچ | 40 | 1219 | 1052 | 945 | 869 | 808 | 770 | 747 | 732 | 724 |
| ۶ اینچ | 80 | 1913 | 1650 | 1483 | 1363 | 1267 | 1208 | 1172 | 1148 | 1136 |
| ۶ اینچ | 160 | 3289 | 2836 | 2549 | 2343 | 2179 | 2076 | 2014 | 1973 | 1953 |
| ۸ اینچ | 40 | 1073 | 926 | 832 | 765 | 711 | 678 | 657 | 644 | 637 |
| ۸ اینچ | 80 | 1692 | 1459 | 1311 | 1205 | 1121 | 1068 | 1036 | 1015 | 1005 |
| ۸ اینچ | 160 | 3175 | 2738 | 2460 | 2262 | 2103 | 2004 | 1944 | 1905 | 1885 |
| ۱۰ اینچ | 40 | 974 | 840 | 755 | 694 | 945 | 615 | 596 | 584 | 578 |
| ۱۰ اینچ | 80 | 1609 | 1388 | 1247 | 1147 | 1066 | 1016 | 986 | 966 | 956 |
| ۱۰ اینچ | 160 | 3147 | 2714 | 2439 | 2242 | 2085 | 1986 | 1927 | 1880 | 1868 |
Stainless Steel TP321 Seamless Pipes Application
استاندارد ASTM A312، لوله بدون درز فولاد ضد زنگ نوع TP321 are known to deliver exceptional performance and are generally developed for meeting the demands. We offer a broad range of A312 / SA312 Austenitic Stainless Steel 321 Piping through a worldwide network of stock-keeping branches. These Seamless Pipe is use in various industries like :
Stainless Steel 321 Seamless Pipes uses in Water Supply Systems
Austenitic SS TP321 Seamless Pipes uses in Power Plant
TP321 Steel Seamless Piping uses in Paper & Pulp Industry
SS 321 Seamless Pipes uses in General Purpose Applications
Stainless Steel 321 Seamless Pipes uses in Fabrication Industry
Austenitic steel 321 Seamless Pipes uses in Food Processing Industry
Stainless Steel TP321 Seamless Pipes uses in Structural Pipe
ASTM A312 Stainless Steel Pipes uses in Oil and Gas Pipeline
ASME SA312 Seamless Piping uses in Chemical Industry
SUS 321 Stainless Steel Seamless Pipes uses in Plumbing
AISI 321 Seamless Stainless Steel Pipes uses in Heating