Stainless Steel Seamless Pipe




Seamless Stainless Steel Pipe Supplier, Stainless Steel Seamless Pipe

Seamless stainless Steel Pipe Supplier

Superior steel Overseas is leading supplier, distributor and manufacturer of Seamless Steel Pipe, is formed by drawing a solid billet over a piercing rod to create the hollow shell. As the manufacturing process does not include any welding,seamless stainless steel pipes are perceived to be stronger and more reliable. Within industry, piping is a system of seamless pipes used to convey fluids (liquids and gases) from one location to another. Technologies for Production of Seamless Pipes “CPE” Technology used for Seamless Pipes Production up to 7-inches OD is the world renowned Technology. “Plug Mill” Technology used for Large Diameter Seamless Pipes Production from 7-inches to 14-inches,is the most reliable technology,in higher dia. Segment.With state-of-the-art manufacturing processes, contemporary technologies, and proficient services, we consider: offering finest quality – best in class seamless satinless steel pipe– at the most competitive price. Superior steel Overseas is one of reputed Seamless stainless steel pipe supplier , we supply these after all quality parameters checks by experienced and good knowledge staff.

Stainless Steel Seamless Pipe Specification

Stainless Steel Seamless Pipe
Diameter of Stainless Seamless Pipe 1/2” NB – 24” NB
Wall Thickness of Seamless Stainless Pipe Schedule 5S – Schedule XXS (heavier on request)
300 Series Seamless Stainless Steel Material Grades 304 – 304/L – 304H – 309/S – 309H – 310/S – 310H – 316L – 317L – 321 – 321H – 347 – 347H
400 Series Seamless Stainless Steel Material Grades 410

Stainless Steel Seamless Pipe Sizes

NPS
Designator
Outside Diameter Nominal Wall Thickness
in. mm Schedule 5SA Schedule 10SA Schedule 40SA Schedule 80SA
in. mm in. mm in. mm in. mm
8 8.625 219.08 0.109 2.77 0.148 3.76 0.322 8.18 0.500 12.70
10 10.750 273.05 0.134 3.40 0.165 4.19 0.365 9.27 0.500B 12.70B
12 12.750 323.85 0.156 3.96 0.180 4.57 0.375B 9.52B 0.500B 12.70B
14 14.000 355.60 0.156 3.96 0.188B 4.78B
16 16.000 406.40 0.165 4.19 0.188B 4.78B
18 18.000 457.20 0.165 4.19 0.188B 4.78B
20 20.000 508.00 0.188 4.78 0.188B 4.78B
22 22.000 558.80 0.188 4.78 0.218B 5.54B
24 24.000 609.60 0.218 5.54 0.250 6.35
30 30.000 762.00 0.250 6.35 0.312 7.92

SS Seamless Pipe Schedule Chart

NB Sizes Sch 5 Sch 10 Sch 40 Sch 80 Sch 160
1/8″
available pipe tube size
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1/4″
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3/8″
available pipe tube size
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1/2″
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3/4″
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1″
available pipe tube size
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available pipe tube size
available pipe tube size
available pipe tube size
1 1/4″
available pipe tube size
available pipe tube size
available pipe tube size
available pipe tube size
available pipe tube size
1 1/2″
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available pipe tube size
available pipe tube size
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2″
available pipe tube size
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2 1/2″
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3″
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4″
available pipe tube size
available pipe tube size
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5″
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6″
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Stainless Steel Seamless Pipe HS Code

HSN Code Product Description
  7304 Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel
    730411 Of stainless steel:
        73041110 Tubes and pipes
        73044100 Cold-drawn or cold-rolled (cold-reduced)
        73044900 Other

Stainless Steel Seamless Pipe Pressure Rating

Pressure Rating (psig) 
Pipe Size
(inches)
Pipe Schedule Temperature (oF) 
100 200 300 400 500 600 650 700 750
1" 40 3048 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 2304 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

Stainless Steel Seamless Pipe Tolerances

NPS Designator Permissible Variations in Outside Diameter
Over In. Under In.
1/8 to 1-1/2, incl 1/64 (0.015) 1/32 (0.031)
Over 1-1/2 to 4, incl 1/32 (0.031) 1/32 (0.031)
Over 4 to 8, incl 1/16 (0.062) 1/32 (0.031)
Over 8 to 18, incl 3/23 (0.093) 1/32 (0.031)
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