Sachiya Steel International is a leading name in manufacturing and supplying the best quality ASTM A790 Duplex Steel S31803 Welded Pipes. We supply these pipes all over the globe. We always make our all pipes with the best quality of raw materials hence it will not create any kind of problem in the future. ASTM A790 Duplex Steel S31803 Welded Pipes is very high in the corrosion resistance feature. It is highly recommended in seawater and also in many chloride environments. The chloride ion prevents the pipes from the corrosion stress cracking resistance which adds the best cost-effective solutions in the long duration of time. This grade of stainless steel offers features like it is of high quality, perfect finish, etc. as these pipes are cost-effective hence it has replaced many of the industrial parts.
[/bt_text][/bt_column][/bt_row][bt_row][bt_column width=”1/1″][bt_text]These welded pipes are very good for sensitive applications as it can resist any kind of temperature. They are used in the applications of the elevated temperature. This ASTM A790 Duplex Steel S31803 Welded Pipes are used in the applications like chemical industries, food processing plants, in making the heat generators, in many automobile components, in making the parts of many boilers, the ad also used in many high-temperature applications.
[/bt_text][/bt_column][/bt_row][bt_row][bt_column width=”1/1″][bt_text]- Specifications : ASTM /ASME SA790/A790
- Dimensions : ASTM, ASME and API
- Schedule : SCH 10, SCH20, SCH30, SCH40, STD, SCH60, XS, SCH80, SCH120, SCH140, SCH160, XXS
- Wall Thickness : Schedule 5S – Schedule XXS.
- Size : 1/2″ NB – 24″ NB
- Length : Single Random, Double Random & Cut Length.
- Form : Round, Square, Rectangular, Hydraulic etc
- End : Plain End, Beveled End, Treaded
STANDARD | WERKSTOFF NR. | UNS |
Duplex S31803 | 1.4462 | S31803 |
Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
S31803 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 22.0 – 23.0 | 3.0 – 3.5 | 4.50 – 6.50 | 0.14 – 0.20 | 63.72 min |
Grades | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
S31803 | 7.805 | 0.285 | 1420 – 1465 | 2588 – 2669 |
NB SIZES | SCH 5 | SCH 10 | SCH 40 | SCH 80 | SCH 160 |
1/8″
|
YES
|
YES
|
YES
|
||
1/4″
|
YES
|
YES
|
YES
|
YES
|
|
3/8″
|
YES
|
YES
|
YES
|
YES
|
|
1/2″
|
YES
|
YES
|
YES
|
YES
|
YES
|
3/4″
|
YES
|
YES
|
YES
|
YES
|
YES
|
1″
|
YES
|
YES
|
YES
|
YES
|
YES
|
1 1/4″
|
YES
|
YES
|
YES
|
YES
|
YES
|
1 1/2″
|
YES
|
YES
|
YES
|
YES
|
YES
|
2″
|
YES
|
YES
|
YES
|
YES
|
YES
|
2 1/2″
|
YES
|
YES
|
YES
|
YES
|
YES
|
3″
|
YES
|
YES
|
YES
|
YES
|
YES
|
4″
|
YES
|
YES
|
YES
|
YES
|
YES
|
5″
|
YES
|
YES
|
YES
|
YES
|
|
6″
|
YES
|
YES
|
YES
|
YES
|
Pressure Rating (psig) | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Pipe Size (inches) |
Pipe Schedule | Temperature (oF) | ||||||||
100 | 200 | 300 | 400 | 500 | 600 | 650 | 700 | 750 | ||
1″ | 40 | 3168 | 2629 | 2362 | 2171 | 2019 | 1924 | 1867 | 1824 | 1810 |
80 | 4213 | 3634 | 3265 | 3002 | 2791 | 2659 | 2580 | 2528 | 2501 | |
160 | 6140 | 5296 | 4759 | 4375 | 4068 | 3876 | 3761 | 3684 | 3646 | |
1 1/2″ | 40 | 2257 | 1947 | 1750 | 1608 | 1496 | 1425 | 1383 | 1354 | 1340 |
80 | 3182 | 2744 | 2466 | 2267 | 2108 | 2009 | 1949 | 1909 | 1889 | |
160 | 4619 | 3984 | 3580 | 3291 | 3060 | 2916 | 2829 | 2772 | 2743 | |
2″ | 40 | 1902 | 1640 | 1474 | 1355 | 1260 | 1201 | 1165 | 1141 | 1129 |
80 | 2747 | 2369 | 2129 | 1957 | 1820 | 1734 | 1682 | 1648 | 1631 | |
160 | 4499 | 3880 | 3486 | 3205 | 2980 | 2840 | 2755 | 2699 | 2671 | |
3″ | 40 | 1806 | 1558 | 1400 | 1287 | 1196 | 1140 | 1106 | 1084 | 1072 |
80 | 2553 | 2202 | 1979 | 1819 | 1691 | 1612 | 1564 | 1532 | 1516 | |
160 | 3840 | 3312 | 2976 | 2736 | 2544 | 2424 | 2352 | 2316 | 2280 | |
4″ | 40 | 1531 | 1321 | 1187 | 1091 | 1014 | 967 | 938 | 919 | 909 |
80 | 2213 | 1909 | 1715 | 1577 | 1466 | 1397 | 1355 | 1328 | 1314 | |
160 | 3601 | 3106 | 2791 | 2566 | 2386 | 2273 | 2206 | 2161 | 2138 | |
5″ | 40 | 1342 | 1158 | 1040 | 956 | 889 | 847 | 822 | 805 | 797 |
80 | 1981 | 1709 | 1535 | 1411 | 1312 | 1250 | 1213 | 1189 | 1176 | |
160 | 3414 | 2945 | 2646 | 2433 | 2262 | 2155 | 2091 | 2049 | 2027 | |
6″ | 40 | 1219 | 1052 | 945 | 869 | 808 | 770 | 747 | 732 | 724 |
80 | 1913 | 1650 | 1483 | 1363 | 1267 | 1208 | 1172 | 1148 | 1136 | |
160 | 3289 | 2836 | 2549 | 2343 | 2179 | 2076 | 2014 | 1973 | 1953 | |
8″ | 40 | 1073 | 926 | 832 | 765 | 711 | 678 | 657 | 644 | 637 |
80 | 1692 | 1459 | 1311 | 1205 | 1121 | 1068 | 1036 | 1015 | 1005 | |
160 | 3175 | 2738 | 2460 | 2262 | 2103 | 2004 | 1944 | 1905 | 1885 | |
10″ | 40 | 974 | 840 | 755 | 694 | 645 | 615 | 596 | 584 | 578 |
80 | 1609 | 1388 | 1247 | 1147 | 1066 | 1016 | 986 | 966 | 956 | |
160 | 3147 | 2714 | 2439 | 2242 | 2085 | 1986 | 1927 | 1880 | 1868 |
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ASTM A790 Duplex Steel S31803 Welded Pipes
Sachiya Steel International is a leading name in manufacturing and supplying the best quality ASTM A790 Duplex Steel S31803 Welded Pipes.
Product Brand: Sachiya Steel International
Product In-Stock: InStock
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