PROVIDING DUPLEX AND SUPER DUPLEX STEEL PRODUCTS SINCE 1975

Duplex Steel & Alloys is an ever-growing producer, shipper, and SS 321 Pipe trader. We have one of the modern infrastructures and hence our products are of the best quality. besides having high-tech machinery, we have hired professionals to handle them. We conduct different testing of SS 321/321H pipe to ensure the safety of our customers and they are well satisfied with it.

Stainless steel consists of chromium at 10 to 30 percent. Along with chromium it also consists of other elements such as nickel, copper, nitrogen, titanium, aluminum, phosphorous, etc. These elements are added to protect the steel from the environment that causes corrosion.

Stainless Steel Pipe 321, Stainless Steel 321H Pipe, SS 321 Pipe Price, Stainless Steel 321 Pipe, 321 Stainless Steel Pipe, SS 321 Seamless Pipe Suppliers in Mumbai, India.

Stainless Steel 321H Welded Pipe, Stainless Steel 321H Pipe, SS 321 Pipe Price Per Kg, SS 321 Pipe, 321 Stainless Steel Pipe Price List, Stainless Steel 321 Pipe Manufacturers in India.

Stainless Steel 321 Pipe

SS 321H pipes are assembled with the help of instinctive and physical properties. It includes elongation, modules of expansion, electricity conductivity, yield strength, tensile strength, stress-proof, etc.

SS 321/321H Pipe can be used as an application in pharmaceuticals equipment, pharmaceuticals industry, chemical equipment, seawater equipment, gas processing, heat exchanger, condensers, paper industry, pulp industry, offshore drilling industry, etc.

Characteristics of SS 321/321H Pipe
• Due to the addition of titanium during manufacturing of the pipes makes it brittle and resistive to carbide precipitation.
• They are higher in ductility.
• They are flexible and formable.

We provide products as per the specifications mentioned by the customers. We always work hard for customer satisfaction. Our prices are competitive and one can afford them easily. We believe that the business should be done for the customers and it’s only their happiness that proves that we have successfully achieved our goals. We have a packaging department which ensures that the product is been deliver d with due care without causing any damage. Buyers’ inquiries or any doubts regarding the product will be taken seriously and will be provided a solution to it on regular bases.


321 Stainless Steel Pipe Specifications

Specifications ASTM A312, A358 / ASME SA312, SA358
Dimensions ASTM, ASME, and API
Seamless Pipe Size 1/2″ NB – 16″ NB
Welded Pipe Size 1/8″NB TO 30″NB IN
EFW Pipe Size 6″ NB – 24″ NB
Thickness 0.35 mm – 50 mm
Specialized in Large Diameter Pipe Size
Schedule SCH5, SCH10, SCH20, SCH30, SCH40, STD, SCH80, SCH 80S, SCH60, SCH80, SCH120, SCH140, SCH160, SCH XXS, SCH XS
Type Seamless Pipes, ERW Pipes, Welded Pipe, Fabricated Pipes, Electropolished Pipe, Polished Pipe, Hollow Pipes
Form Round, Square, Hydraulic, U Shape, Rectangular, Pan Cake Coils, Coiled, Hex, Honed, Etc
Length Single Random, Double Random & Required Length.
End Plain End, Beveled End, Treaded End

Types of Stainless Steel 321 Pipes

Seamless Pipe

SS 321 Seamless Pipe

Welded Pipe

Stainless Steel 321 Welded Pipe

ERW Pipe

SS 321 ERW Pipe

ERW Pipe

SS 321 EFW Pipe

Square Pipe

321H Stainless Steel Square Pipe

Rectangular Pipe

SS 321 Rectangular Pipe

Round Pipe

SS 321 Round Pipe

Hollow Pipe

321H Stainless Steel Hollow Pipe

Polished Pipe

ASTM A312 TP321 Polished Pipe

Electropolished Pipe

ASME SA 312 Grade 321 Electropolished Pipe

Oval Pipe

UNS S32109 Stainless Steel Oval Pipes

Thin Wall Pipe

ASTM A312 Grade TP321 Thin Wall Pipe

SS 321 Pipe Equivalent Material

STANDARD WERKSTOFF NR. UNS JIS EN
SS 321 1.4541 S32100 SUS 321 X6CrNiTi18-10
SS 321H 1.4878 S32109 SUS 321H X12CrNiTi18-9

SS 321 Pipe Chemical Composition

Grade C Mn Si P S Cr N Ni Ti
SS 321 0.08 max 2.0 max 1.0 max 0.045 max 0.030 max 17.00 – 19.00 0.10 max 9.00 – 12.00 5(C+N) – 0.70 max
SS 321H 0.04 – 0.10 2.0 max 1.0 max 0.045 max 0.030 max 17.00 – 19.00 0.10 max 9.00 – 12.00 4(C+N) – 0.70 max

321H Stainless Steel Pipe Mechanical Properties

Density Melting Point Tensilee Strength Yield Strength (0.2%Offset) Elongation
8.0 g/cm3 1457 °C (2650 °F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 35 %

SS 321 Schedule 10 Pipe Pressure Rating, Schedule 80 Stainless Steel 321H Pipe, SS 321 16 Gauge Pipe Weight, ASTM A312 TP321 Stainless Steel Pipe, SS 321 Pipe Suppliers in Mumbai.

If you are looking for best prices for Stainless Steel 321 Pipes, SS 321 Welded Pipe, SS Pipe 321 email us on info@duplexsteelalloys.com or call us on +91 9664408767

Stainless Steel 321 Pipe Price List

Product Price
Custom Size 4 Inch SS 321 Welded Pipes Price $1,100.00 - $1,178.00/ Ton
Jindal SS 321 Square Pipe Price List $2.00 - $3.15/ Piece
20mm diameter 321H Polished Stainless Steel Pipes Price $788.00 - $1,980.00/ Ton
2 1/2 inch x 10 ft 321 Stainless Steel Welded Pipe Price $1082.00 - $2,039.00/ Ton
Jindal Steel Pipe 321 Price Per KG $1282.00 - $2,1200.00/ Ton
321H Schedule 10 Stainless Steel Pipes Price $1,482.00 - $2,989.00/ Ton
Jindal SS 321 Pipe Price List $400 - 800/ Ton
ASTM A312 TP 321H Welded SCH 5S DN500 Plain End Steel Pipe Price List $700.00 - $1,500.00/ Ton
SS Pipe 321 Price $582.00 - $2,000.00/ Ton

SS 321 Pipe Size Chart in MM

SS 321 Pipe Size Chart in MM
Designation of Diameter O/D Nominal Wall Thickness
DIA SCH.5S SCH.5 SCH 10S SCH.10 SCH.20S SCH.30 SCH.40S SCH.40 SCH 60
(A) (B) Meter MM Wall Thk Weight Kg/Mtr Wall Thk Weight Kg/Mtr Wall Thk Weight Kg/Mtr Wall Thk Weight Kg/Mtr Wall Thk Weight Kg/Mtr Wall Thk Weight Kg/Mtr Wall Thk Weight Kg/Mtr Wall Thk Weight Kg/Mtr Wall Thk Weight Kg/Mtr
6 1/8 10.3 1 0.23 1.2 0.27 1.5 0.33 1.73 0.37
8 1/4 13.7 1.2 0.37 1.65 0.49 2 0.58 2.24 0.64
10 3/8 17.2 1.2 0.47 1.65 0.63 2 0.74 2.31 0.87
15 1/2 21.3 1.65 0.01 1.65 0.81 2.11 1.02 2.11 1.02 2.5 1.15 2.77 1.29
20 3/4 26.7 1.65 1.03 1.65 1.03 2.11 1.3 2.11 1.3 2.5 1.49 2.87 1.71
25 1 33.4 1.65 1.31 1.65 1.31 2.77 2.13 2.77 2.13 3 2.24 3.38 2.54
32 11/4 24.2 1.65 1.67 1.65 1.67 2.77 2.73 2.77 2.73 3 2.9 3.56 3.44
40 11/2 48.3 1.65 1.93 1.65 1.93 2.77 3.16 2.77 3.16 3 3.35 3.68 4.11
50 2 60.3 1.65 1.93 1.65 2.42 2.77 3.99 2.77 3.99 3.5 4.9 3.91 5.52
65 21/2 73 2.11 3.75 2.11 3.75 3.05 5.34 3.05 5.34 3.5 6 5.16 8.77
80 3 88.9 2.11 4.59 2.11 4.59 3.05 6.56 3.05 6.56 4 8.37 5.49 11.47
90 31/2 101.6 2.11 5.25 2.11 5.25 3.05 7.53 3.05 7.53 4 9.62 5.74 13.78
100 4 114.3 2.11 5.93 2.11 5.93 3.05 8.5 3.05 8.5 4.5 12.18 6.02 6.32
125 5 141.3 2.77 9.61 2.77 9.61 3.4 11.74 3.43 11.74 5 16.8 6.55 2210
150 6 168.3 2.77 11.47 2.77 11.47 3.4 14.04 3.43 14.04 5.5 22.08 7.11 28.69
200 8 219.1 2.77 15 2.77 15 3.76 20.77 3.76 20.27 6.35 33.82 7.04 37.38 8.18 43.2 10.81 53.9
250 10 273.1 3.4 22.95 3.4 22.95 4.19 28.2 4.19 28.2 6.35 42.41 7.8 51.81 9.27 61.22 12.2 82.8
300 12 323.9 3.96 31.72 4.19 33.6 4.57 36.54 4.57 36.54 6.35 50.48 8.38 66.2 9.53 75.01 10.31 80.94 14.27 110.62
350 14 355.6 3.96 34.86 4.78 41.99 6.35 55.53 7.92 68.95 9.53 82.58 9.53 82.58 11.13 96 15.06 128.42
400 16 406.4 4.19 42.2 4.78 48.07 6.35 63.61 7.92 79.03 9.53 94.7 9.53 94.7 12.7 125.2 16.66 162.59
450 18 457.2 4.19 47.46 4.78 54.15 6.35 71.69 7.92 89.1 11.13 124.32 9.53 106.83 14.27 158.27 19.05 209
500 2C 508 4.78 60.23 5.54 69.7 6.35 79.76 9.53 118.93 12.7 157.51 9.53 118.9 15.06 185.89 2062 251.65
550 22 558.8 4.78 65.95 5.54 76.75 6.35 87.84 9.53 131.07 12.7 173.66 9.53 131.07 15.88 216.04 22.23 298.55
600 24 609.6 5.54 83.8 6.35 95.92 6.35 95.92 9.53 143.2 14.27 212.72 9.53 143.2 17.45 258.74 24.59 360.21
650 26 660.4 7.92 129.4 12.7 205.97 9.53 155.32
700 28 711.2 7.92 139.47 12.7 222.13 15.88 276.48 9.53 167.44
750 3C 762 6.35 120.15 7.92 149.55 7.92 149.55 12.7 238.28 15.88 296.68 9.53 179.56
800 32 812.8 7.92 159.62 12.7 254.44 15.88 316.88 9.53 191.69 17.48 348.11
850 34 863.6 7.92 169.64 12.7 270.5 15.88 336.96 9.53 203.74 17.48 370.22
900 36 914.4 7.92 179.77 12.7 286.75 15.88 357.28 9.53 215.93 19.05 427.09

321 Stainless Steel Pipe Pressure Rating Chart

Pressure Rating (psig)
Pipe Size
(inches)
Pipe Schedule Temperature (oF)
100 200 300 400 500 600 650 700 750
1" 160 6140 5296 4759 4375 4068 3876 3761 3684 3646
80 4213 3634 3265 3002 2791 2659 2580 2528 2501
40 3048 2629 2362 2171 2019 1924 1867 1824 1810
1 1/2" 160 4619 3984 3580 3291 3060 2916 2829 2772 2743
80 3182 2744 2466 2267 2108 2009 1949 1909 1889
40 2257 1947 1750 1608 1496 1425 1383 1354 1340
2" 160 4499 3880 3486 3205 2980 2840 2755 2699 2671
80 2747 2369 2129 1957 1820 1734 1682 1648 1631
40 1902 1640 1474 1355 1260 1201 1165 1141 1129
3" 160 3840 3312 2976 2736 2544 2424 2352 2304 2280
80 2553 2202 1979 1819 1691 1612 1564 1532 1516
40 1806 1558 1400 1287 1196 1140 1106 1084 1072
4" 160 3601 3106 2791 2566 2386 2273 2206 2161 2138
80 2213 1909 1715 1577 1466 1397 1355 1328 1314
40 1531 1321 1187 1091 1014 967 938 919 909
5" 160 3414 2945 2646 2433 2262 2155 2091 2049 2027
80 1981 1709 1535 1411 1312 1250 1213 1189 1176
40 1342 1158 1040 956 889 847 822 805 797
6" 160 3289 2836 2549 2343 2179 2076 2014 1973 1953
80 1913 1650 1483 1363 1267 1208 1172 1148 1136
40 1219 1052 945 869 808 770 747 732 724
8" 160 3175 2738 2460 2262 2103 2004 1944 1905 1885
80 1692 1459 1311 1205 1121 1068 1036 1015 1005
40 1073 926 832 765 711 678 657 644 637
10" 160 3147 2714 2439 2242 2085 1986 1927 1880 1868
80 1609 1388 1247 1147 1066 1016 986 966 956
40 974 840 755 694 645 615 596 584 578

Ask Free Sample of SS 321 Seamless, Welded, ERW or EFW Pipe Please Call +91 9664408767

Widest Range of Stainless Steel 321 Pipes in Mumbai, India.

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Tests of ASTM A312 TP321H Stainless Steel Pipes

Before being prepared for shipment to the customer, ASTM A312 TP321 Stainless Steel Seamless Pipes Testing should be constructed in accordance with applicable standards and thoroughly tested for potential flaws.

Outside Diameter Control

Outside Diameter Control

X-Ray Testing

X-Ray Testing

Hydrostatic Testing

Hydrostatic Testing

ASTM A312 TP321H Stainless Steel Pipes Supply Range

Product Description Wall Thickness, WT (In MM) Outside Diamter, OD (In MM)
Square Pipe 0.05 to 30 12.07* 12.07 To 300* 300
Rectangular Pipe 0.05 to 30 10*20 To 100*200
Round Pipe 0.05 to 30 6 – 630
Inner/Outside Polished Pipes 1.00 – 5 12.05 To 203.02
Electropolished Pipe 0.05 to 30 12.07 To 250

Stainless Steel 321 Pipe - Comparing International Standards

USA France Germany Germany Italy Japan Russia Spain Sweden UK European Union
AISI AFNOR DIN 17006 W.N. 17007 UNI JIS GOST UNE SIS BSI EURONORM
321 Z 6 CNT 18-10 X 6 CrNiTi 18 10 X 12 CrNiTi 18 9 1.4541 1.4878 X 6 CrNiTi 1811 SUS 321 12KH18N10T X 6 CrNiTi 18-11 23 37 321S31 X 6 CrNiTi 18 10
321H X 8 CrNiTi 1811 SUS 321H X 7 CrNiTi 18-11 321S20
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321H Stainless Steel Seamless Pipes Supply in Below Countries

Products We Supplied Description Country
ASTM A312 321H Stainless Steel Round Pipe 1.4878 Custom Pipe Egypt, France, Mexico, Malaysia
321H Stainless Steel Electropolished Pipe Thick Wall ASTM A312 TP 321H Pipe Egypt, Morocco, Canada, Turkey, Germany
Stainless Steel 321H EFW Pipes Schedule 40 ASTM A312 SUS 321H Pipe Philippines, Taiwan, Kuwait, South Africa
ASTM A312 TP321 Rectangular Pipes 10*20mm to 100*200mm SUS 321 Thin-Wall Pipe Thailand, Vietnam, Indonesia, Saudi Arabia
Stainless Steel 321H Welded Pipe UNS S32109 Welded Square Pipe Supply UAE, Europe, Norway, Romania
SS GOST 20Ch25N20S2 ERW Pipe Thickness 9.0mm AISI 321 Pipe Netherlands, Venezuela, Belgium, UK, Jordan
321H Stainless Steel Polished Pipe 16 Gauge UNS S32100 Pipe Mongolia, Ukraine, Colombia, Tunisia
Stainless Steel 321 Large Diameter Pipe 20MM Diameter UNS S32100 Pipes Nigeria, Australia, Canada, Ellington -United States
20mm diameter 0.1mm SS 321H Pipe Thin Wall ASME SA312 321H Welded Pipe Finland, Singapore, Maldives, Uruguay, Costa Rica

Common Application for 321H Stainless Steel Pipe

Chemical Processing

Chemical

Power Generation

Power Generation

Oil & Gas

Oil & Gas

Heavy Equipment

Heavy Equipment

Shipbuilding

Shipbuilding

Aerospace

Aerospace

Automotive

Automotive

Construction

Construction