স্টেইনলেস স্টীল পাইপ সরবরাহকারী Wenzhou Kaixin চীন
ASTM A312 TP304 Stainless steel seamless pipe is an austenitic alloy grade designed with a superior composition of nickel and chromium. দ ASTM A312 TP304 alloy has excellent resistance against corrosive and oxidative media across stress-induced environments. The versatile grade of alloys has outstanding mechanical properties. They have a minimum tensile strength of 75ksi with a minimum yield strength of 30Ksi. দ ASTM A312 Grade TP304 Seamless Pipe can be processed via the hot or cold rolling process. These pipes can be availed in thickness between 0.8mm up to 12mm and can be availed in different sizes and dimensions to meet project requirements.
The components in this grade are produced in seamless, ঢালাই, and ERW configurations. Each of these modules has its own set of features allowing them to be used in different applications. দ ASME SA 312 TP 304 Seamless Pipe is produced via an extrusion process wherein hot steel billets are passed through the metal. ASTM A312 TP304 Stainless steel seamless pipe allows the material the capability to work in high temperatures and pressures. More over these pipes are slightly expensive as compared to welded pipes.
Equivalent of ASTM A312 TP304 Seamless Pipe
Equivalent GRADE
| GRADE | UNS | IN | তিনি | AFNOR | BS | WERKSTOFF NR. | GOST | SS |
| UNDER | USA | EUROPE | JAPAN | RUSSIAN | BRITISH | GERMAN | RUSSIAN | SWEDISH |
| ASTM A312 TP 304 | S30400 | X5CrNi18-10 | SUS 304 | Z7CN18‐09 | 304S31 | 1.4301 | 08Х18Н10 | 2332 |
ASTM A312 TP304 stainless steel chemical composition
রাসায়নিক রচনা
| গ্রেড | গ | Mn | পৃ | এস | এবং | ইন | ক্র | ফে |
| TP304 | 0.08 | 2.00 | 0.045 | 0.030 | 1.0 | 8-11 | 18-20 | বাল. |
ASTM A312 TP304 stainless steel mechanical properties
Mechanical properties chart
| Tensile strength(এমপিএ) MaxYield point(এমপিএ) সর্বোচ্চ | প্রসারণ(%) | কঠোরতা (এইচআরবি) সর্বোচ্চ | ||||
| TP304 | 515 | 205 | 35 | 92 | ||
SS 304 Seamless Pipes Physical Properties
Physical Properties Chart
| rade | Density (kg/m3) | Specific Heat 0-1000C (J/kg.K) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (m/m/0C) | Thermal Conductivity (W/m.K) | Electrical Resistivity (n.m) | |||
| 0-100°C | 0-315°C | 0-538°C | at 100°C | at 500°C | |||||
| 304 | 8000 | 500 | 193 | 17.2 | 17.8 | 18.4 | 16.2 | 21.5 | 720 |
ASTM A312 TP304 Seamless Pipe Schedule Chart
Schedule Change to inch/mm Chart
| Nominal Pipe Size (NPS) | STD SCH 40S | SCH 0S | SCH 120 | XS SCH 80S | XXS | ব্যাস বাইরে (মিমি) | SCH 160 |
| 1/8″ | 1.073 0.037 | 2.041 0.048 | 10.029 | ||||
| 1/4″ | 2.024 0.064 | 1.065 0.048 | 3.002 0.081 | 13.072 | |||
| 3/8″ | 2.031 0.086 | 1.065 0.064 | 3.020 1.012 | 17.015 | |||
| 1/2″ | 2.077 1.029 | 2.011 1.001 | 3.073 1.064 | 7.047 2.065 | 21.034 | 4.076 1.098 | |
| 3/4″ | 2.087 1.071 | 2.011 1.030 | 3.091 2.023 | 7.082 3.069 | 26.067 | 5.056 2.094 | |
| 1″ | 3.038 2.054 | 2.077 2.012 | 4.055 3.028 | 9.009 5.075 | 33.040 | 6.035 4.030 | |
| 1 1/4″ | 3.056 3.043 | 2.077 2.073 | 4.085 3.053 | 9.070 7.088 | 42.016 | 6.035 5.069 | |
| 1 1/2″ | 3.068 3.011 | 2.077 3.015 | 5.008 5.049 | 10.016 9.069 | 48.026 | 7.014 7.034 | |
| 2″ | 3.091 5.052 | 2.077 3.098 | 5.054 7.059 | 11.007 13.065 | 60.033 | 8.074 11.028 | |
| 2 1/2″ | 5.016 8.076 | 3.005 5.034 | 7.001 11.058 | 73.003 | 9.053 15.014 | ||
| 3″ | 5.049 11.045 | 3.005 6.054 | 7.062 15.050 | 15.024 28.009 | 88.090 | 11.013 21.065 | |
| 3 1/2″ | 5.074 13.077 | 3.005 7.052 | 8.008 18.090 | 101.060 | |||
| 4″ | 6.002 16.031 | 3.005 8.048 | 11.013 28.032 | 8.056 22.065 | 17.012 41.063 | 114.030 | 13.049 34.002 |
| 5″ | 6.055 22.010 | 3.040 11.074 | 9.052 31.041 | 141.060 | 15.088 49.083 | ||
| 6″ | 7.011 28.068 | 3.040 14.004 | 14.027 54.020 | 10.097 43.019 | 21.095 80.036 | 168.026 | 18.026 68.056 |
| 8″ | 8.018 43.016 | 3.076 20.025 | 23.001 112.090 | 12.070 65.059 | 219.008 | 18.026 90.044 | |
| 10″ | 9.027 61.020 | 4.019 28.020 | 12.070 81.055 | 273.005 | 28.058 174.082 | ||
| 12″ | 9.053 74.092 | 4.057 36.053 | 323.085 | 12.070 97.046 |
ASME SA 312 TP 304 Pipes Weight Chart
| PIPE SIZE | OD IN INCHES | A.S.A. Pipe Schedules | |||||||||||
| 5s | 5 | 10s | 10 | 40s & Std. | 40 | 60 | 80s & E.H. | 80 | 120 | 160 | DBL E.H. | ||
| 1/8 | .405 | .035.1383 | .049.1863 | .049.1863 | .068.2447 | 068.2447 | 0.95.3145 | 0.95.3145 | |||||
| 1/4 | .540 | .049.2570 | .065.3297 | .065.3297 | .088.4248 | 088.4248 | .119.5351 | .119.5351 | |||||
| 3/8 | .675 | .049.3276 | .065.4235 | .065.4235 | .091.5676 | .091.5676 | .126.7338 | .126.7338 | |||||
| 1/2 | .840 | .065.5383 | .065.5383 | .083.6710 | .083.6710 | .109.8510 | .109.8510 | .1471.088 | .1471.088 | .1871.304 | .2941.714 | ||
| 3/4 | 1.050 | .065.6838 | .065.6838 | .083.8572 | .083.8572 | .1131.131 | .1131.131 | .1541.474 | .1541.474 | .2181.937 | .3082.441 | ||
| 1 | 1.315 | .065.8678 | .065.8678 | .1091.404 | .1091.404 | .1331.679 | .1331.679 | .1792.172 | .1792.172 | .2502.844 | .3583.659 | ||
| 1-1/4 | 1.660 | .0651.107 | .0651.107 | .1091.806 | .1091.806 | .1402.273 | .1402.273 | .1912.997 | .1912.997 | .2503.765 | .3825.214 | ||
| 1-1/2 | 1.900 | .0651.274 | .0651.274 | .1092.085 | .1092.085 | .1452.718 | .1452.718 | .2003.631 | .2003.631 | .2814.859 | .4006.408 | ||
| 2 | 2.375 | .0651.604 | .0651.604 | .1092.638 | .1092.638 | .1543.653 | .1543.653 | .2185.022 | .2185.022 | .3437.444 | .4369.029 | ||
| 2-1/2 | 2.875 | .0832.475 | .0832.475 | .1203.531 | .1203.531 | .2035.793 | .2035.793 | .2767.661 | .2767.661 | .37510.01 | .55213.70 | ||
| 3 | 3.500 | .0833.029 | .0833.029 | .1204.332 | .1204.332 | .2167.576 | .2167.576 | .30010.25 | .30010.25 | .43714.32 | .60018.58 | ||
| 3-1/2 | 4.000 | .0833.472 | .0833.472 | .1204.973 | .1204.973 | .2269.109 | .2269.109 | .31812.51 | .31812.51 | .63622.85 | |||
| 4 | 4.500 | .0833.915 | .0833.915 | .1205.613 | .1205.613 | .23710.79 | .23710.79 | .28112.66 | .33714.98 | .33714.98 | .43719.01 | .53122.51 | .67427.54 |
| 4-1/2 | 5.000 | .24712.53 | .35517.61 | .71032.53 | |||||||||
| 5 | 5.563 | .1096.349 | .1096.349 | .1347.770 | .1347.770 | .25814.62 | .25814.62 | .37520.78 | .37520.78 | .50027.04 | .62532.96 | .75038.55 | |
| 6 | 6.625 | .1097.585 | .1097.585 | .1349.290 | .1349.290 | .28018.97 | .28018.97 | .43228.57 | .43228.57 | .56236.39 | .71845.30 | .86453.16 | |
| 7 | 7.625 | .30123.57 | .50038.05 | .87563.08 | |||||||||
| Medium Type = Wall thickness in inches Bold Type = Steel weight per foot in pounds | |||||||||||||
Mostly TP304 stainless steel pipe pressure rating
Stainless Steel Pipes – Pressure Ratings
Pressure ratings for standard seamless A312-TP304 stainless steel pipes – temperatures 100°F to 750°F
Ratings for standard seamless stainless steel pipes, temperatures from 100°F to 750°F. All ratings in psig based on ANSI/ASME B 31.1.
Pressure Rating (psig)
| Pipe Size (inches) | Pipe Schedule | Temperature (°F) | ||||||||
| 100 | 200 | 300 | 400 | 500 | 600 | 650 | 700 | 750 | ||
| 1″ | 40 | 3048 | 2629 | 2362 | 2171 | 2019 | 1924 | 1867 | 1824 | 1810 |
| 1″ | 80 | 4213 | 3634 | 3265 | 3002 | 2791 | 2659 | 2580 | 2528 | 2501 |
| 1″ | 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 |
| 2″ | 40 | 1902 | 1640 | 1474 | 1355 | 1260 | 1201 | 1165 | 1141 | 1129 |
| 2″ | 80 | 2747 | 2369 | 2129 | 1957 | 1820 | 1734 | 1682 | 1648 | 1631 |
| 2″ | 160 | 4499 | 3880 | 3486 | 3205 | 2980 | 2840 | 2755 | 2699 | 2671 |
| 3″ | 40 | 1806 | 1558 | 1400 | 1287 | 1196 | 1140 | 1106 | 1084 | 1072 |
| 3″ | 80 | 2553 | 2202 | 1979 | 1819 | 1691 | 1612 | 1564 | 1532 | 1516 |
| 3″ | 160 | 3840 | 3312 | 2976 | 2736 | 2544 | 2424 | 2352 | 2304 | 2280 |
| 4″ | 40 | 1531 | 1321 | 1187 | 1091 | 1014 | 967 | 938 | 919 | 909 |
| 4″ | 80 | 2213 | 1909 | 1715 | 1577 | 1466 | 1397 | 1355 | 1328 | 1314 |
| 4″ | 160 | 3601 | 3106 | 2791 | 2566 | 2386 | 2273 | 2206 | 2161 | 2138 |
| 5″ | 40 | 1342 | 1158 | 1040 | 956 | 889 | 847 | 822 | 805 | 797 |
| 5″ | 80 | 1981 | 1709 | 1535 | 1411 | 1312 | 1250 | 1213 | 1189 | 1176 |
| 5″ | 160 | 3414 | 2945 | 2646 | 2433 | 2262 | 2155 | 2091 | 2049 | 2027 |
| 6″ | 40 | 1219 | 1052 | 945 | 869 | 808 | 770 | 747 | 732 | 724 |
| 6″ | 80 | 1913 | 1650 | 1483 | 1363 | 1267 | 1208 | 1172 | 1148 | 1136 |
| 6″ | 160 | 3289 | 2836 | 2549 | 2343 | 2179 | 2076 | 2014 | 1973 | 1953 |
| 8″ | 40 | 1073 | 926 | 832 | 765 | 711 | 678 | 657 | 644 | 637 |
| 8″ | 80 | 1692 | 1459 | 1311 | 1205 | 1121 | 1068 | 1036 | 1015 | 1005 |
| 8″ | 160 | 3175 | 2738 | 2460 | 2262 | 2103 | 2004 | 1944 | 1905 | 1885 |
| 10″ | 40 | 974 | 840 | 755 | 694 | 945 | 615 | 596 | 584 | 578 |
| 10″ | 80 | 1609 | 1388 | 1247 | 1147 | 1066 | 1016 | 986 | 966 | 956 |
| 10″ | 160 | 3147 | 2714 | 2439 | 2242 | 2085 | 1986 | 1927 | 1880 | 1868 |
304 stainless steel Pipe Outside Diameter Tolerance
| NPS | ASTM A312 OD Tolerance | |||
| + | - | |||
| ইঞ্চি | মিমি | ইঞ্চি | মিমি | |
| 1/8~1 1 /2 | 1/64(0.015) | 0.4 | 1/32(0.031) | 0.8 |
| > 1 1 /2~4 | 1/32(0.031) | 0.8 | 1/32(0.031) | 0.8 |
| > 4~8 | 1/16(0.062) | 1.6 | 1/32(0.031) | 0.8 |
| > 8~18 | 3/32(0.093) | 2.4 | 1/32(0.031) | 0.8 |
| > 18~26 | 1/8(0.125) | 3.2 | 1/32(0.031) | 0.8 |
| > 26~34 | 5/32(0.156) | 4 | 1/32(0.031) | 0.8 |
| > 34~48 | 3/16(0.187) | 4.8 | 1/32(0.031) | 0.8 |
Astm A312 Tp304 Pipe Processing
| ASTM A312 TP304 Stainless steel seamless pipe manufacture Processing | |
| Structural Cutting | Products cut include tube, tubing, Square tubes, Rectangular tubes, round tubes Thickness range is 1/8″NB TO 30″NB diameter |
| Tubular Cutting | Products cut include Ornamental Tube, Tubing and Hollow Section. Thickness range is 1/8″NB TO 30″NB diameter |
| Production Cutting | can provide production cutting for product diameters up to 4″. We utilize Amada Production Equipment to achieve these precision cuts with tight tolerances. |
| Structural Polishing | Products polished included all tubular products, with OD & ID polishing available |
তাপ চিকিত্সা
Stainless steel pipes made of austenitic stainless steel ASTM A312 TP304 or TP304L shall be solution annealed. ASTM A312 TP304 Stainless steel seamless pipe During annealing, the pipes shall be heated to the temperature no less than 1900°F [1040°C] and soak at the temperature for a period long enough so that all chromium carbides are dissolved. Since the chromium carbide dissolves slowly, the highest practical temperature consistent with limited grain growth should be selected. This temperature is in the vicinity of 1095° [2000°F]. Complete dissolution of chromium carbides reduces precipitation of intergranular carbides hence improves the resistance to intergranular corrosion. Subsequent cooling (quenching) from the annealing temperature must be fast, thus ensuring that dissolved carbides remain in solution.
SA 312 Gr 304 Seamless Pipe Applications
Pharmaceuticals
Chemicals
Food Processing
Oil and Gas Processing
Energy industries
Pulp and Paper
Textile Machinery
Power Plants
Construction
Automotive Industry
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