Duplex Stainless Steel S31803 Pipes Manufacture

Duplex Stainless Steel S31803 Pipes

Sachiya Steel International is the manufacturer, exporter, and supplier of the Duplex Stainless Steel S31803 Pipes made with high-quality raw material. We offered this pipe in customized lengths, shapes, and sizes designed as per national and international standards to our esteemed clients. They have high demand as compared to another grade of 316 stainless steel because these pipes are resistant to general and local corrosion like oxidation and intergranular resistance, stress cracking corrosion, crevice, and pitting.

Duplex Stainless Steel S31803 Pipes

The alloy becomes brittle when heat-treated to a temperature beyond 300 degrees Celsius. Duplex Stainless Steel S31803 Pipes has a mixture of properties like high strength and weldability. This grade is not completely ferritin and not completely austenitic. Also to these Duplex steel pipes low-temperature application does not cause much harm. The workhorse garden is the other name for this grade pipe. To give amazing outcomes the main benefit of this steel type is that it combines austenitic steel and ferritic steel properties. The Duplex Stainless Steel S31803 Pipes types are welded EFW and Fabricated. In a variety of environments, the steel combines good mechanical strength and ductility with moderate to good corrosion resistance. It is a two-phase material. It is featured by the high yield strength and most widely used nitrogen enhanced duplex stainless steel grade.

 

  • 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
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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