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Stainless Steel 321 Pipe & Tube

321 SS Electropolished Pipe, DIN 1.4541 Thin Wall Pipe, SS 321 Slot Round Pipe, UNS S32100 Hexagonal Tube, DIN 1.4541 Thick Wall Pipe, SS 321 IBR Pipe, DIN 1.4541 U Shaped Tube, SS 321 Rectangular Pipe, 321 SS Tube, UNS S32100 Hollow Pipe.

About Stainless Steel 321 Pipe & Tube

Stainless steel 321/321H is a more stable variant of 304 stainless steel. This alloy is tempered with titanium, in addition to the 18/8 chromium-nickel ratio, providing the alloy with additional resistance to intergranular corrosion caused by heat treatment. It is suitable for use in the temperature range of 430 to 816°C. These alloys possess excellent mechanical strength and are corrosion-resistant even when immersed in water. Heavy welding machines and constantly changing surroundings are the most common uses. The addition of titanium, while enhancing strength, adversely affects the machinability of Type 321. The metals can only be welded using specific welding methods. Type 321 alloy has excellent formability and does not need to be connected after welding, thereby extending this limit. This grade can withstand temperatures as low as cryogenic. It is preferred over 304 when stronger creep and tear resistance is required. Both varieties, however, are prone to stress corrosion cracking.

321H stainless steel is a high-carbon variant of 321. Although it has the same machinability as 321, heat treatment cannot harden it. High carbon levels improve tolerance to high temperatures. Consequently, 321H is preferable when 321 cannot manage temperatures, particularly over 538°C. Furthermore, the inclusion of niobium improves intergranular corrosion resistance. 321H offers some acid corrosion resistance in a variety of conditions. Even though its resistance is strong at low temperatures, it can endure a 10% acid solution at high temperatures. The main exceptions are chlorine and sulfuric solutions, which it does not work well, regardless of temperature. Due to their almost similar chemical composition and features, 321 and 321H may be dual certified.

UNS S32100 Hollow Pipe Manufacturer, 321 SS Tube Exporter, DIN 1.4541 Thin Wall Pipe Stockist, UNS S32100 Hexagonal Tube Stockist, UNS S32100 Exhaust Pipe Manufacturer, 321 SS Electropolished Pipe Stockist.

Specification of Stainless Steel 321 Pipe & Tube

SpecificationsASTM A312 / ASME SA312
Dimensional specificationANSI/ASME B36.19M, ANSI/ASME B36.10M
Size1 / 8" NB - 24" NB
Outside Diameter6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB available Ex-stock, OD Size Steel Tubes available Ex-stock
Manufacturing ShapesHydraulic, Round, Square, Hex, Honed
Manufacturing TechniquesNormalized & as Rolled
Schedule Thickness RangeSCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS
End TypesPlain End, Beveled End, Treaded One End, TBE (Treaded Both Ends)
Surface FinishNo.1, No.4, No.8 Mirror Finish, 2B
Value Added ServicesCutting, Beveling, Polishing, Threading, Destructive, Non Destructive, Ultrasonic Testing
Inspection and Test ReportsEN 10204 3.1, Mill Test Certificates, Chemical Reports, PMI Test Reports, Mechanical Reports, Third Party Inspection, NABL Approved Lab, Visual Inspection, Destructive Test and Non Destructive Test Reports
Outside Finish2B, No.4, No.1, No.8 Mirror Finish for Stainless Steel Seamless Pipes, Finish as per customer Requirements
Delivery ConditionAnnealed and Pickled, Polished, Bright Annealed, Cold Drawn
Heat TreatmentNormalized, Normalized & Tempered
Packing of Seamless PipesPacked in Wooden Boxes, Plastic Bags, Steel Strips Bundled, or as per Customers Requests
SpecialsSizes and Specifications other than above can be on request

Ready stock of available for Stainless Steel 321 Pipe & Tube

ASTM A312 SS 321 Seamless Pipe
Stainless Steel 321 Welded Pipe
SS 321 IBR Pipe
321 SS Tube
UNS S32100 Hollow Pipe
DIN 1.4541 Round Pipe
ASME SA312 SS 321 Square Pipe
SS 321 Rectangular Pipe
321 SS Cold Drawn Seamless Tube
UNS S32100 Custom Pipe
DIN 1.4541 Thick Wall Pipe
SS 321 Polished Pipe

Equivalent Grades of Stainless Steel 321 Pipe & Tube

STANDARDWERKSTOFF NR.UNSJISEN
SS 3211.4541S32100SUS 321X6CrNiTi18-10

Chemical Composition of Stainless Steel 321 Pipe & Tube

GradeCMnSiPSCrNNiTi
SS 3210.08 max2.0 max1.0 max0.045 max0.030 max17.00 - 19.000.10 max9.00 - 12.005(C+N) – 0.70 max

Mechanical Properties of Stainless Steel 321 Pipe & Tube

DensityMelting PointTensile StrengthYield Strength (0.2%Offset)Elongation
8.0 g/cm31457 °C (2650 °F)Psi – 75000 , MPa – 515Psi – 30000 , MPa – 20535 %

Other Types of Stainless Steel 321 Pipe & Tube

321 SS Electropolished Pipe
UNS S32100 Exhaust Pipe
DIN 1.4541 Thin Wall Pipe
ASTM A312 SS 321 ERW Pipe
Stainless Steel 321 Capillary Tube
SS 321 Air Heater Tubes
321 SS Fabricated Pipes
UNS S32100 Spiral Welded Pipe
DIN 1.4541 flexible corrugated pipes

Dimensions Standard Of Stainless Steel 321 Pipe & Tube

Nominal Pipe SizeOutside Diameter (mm)Nominal Wall Thickness Schedule
NPSDNODSCH5sSCHl0sSCH 10SCH 20SCH 30SCH40sSCH STDSCH 40SCH 60SCH80sSCH XSSCH 80SCH 100SCH 120SCH 140SCH 160SCH XXS
1/8610.3 1.24   1.731.731.73 2.412.412.41     
1/4813.7 1.65   2.242.242.24 3.023.023.02     
3/81017.1 1.65   2.312,312.31 3.203.203.20     
1/21521.31.652.11   2.772.772.77 3.733.733.73   4.787.47
3/42026.71.652.11   2.872.872.87 3.913.913.91   5.567.82
12533.41.652.77   3.383.383.38 4.554.554.55   6.359.09
1 1/43242.21.652.77   3.563.563,56 4.854.854.85   6.359.70
1 1/24048.31.652.77   3.683.683.68 5.085.085.08   7.1410.15
25060.31.652.77   3.913.913.91 5.545.545.54   8.7411.07
2 1/265732.113.05   5.165.165.16 7.017.017.01   9.5314.02
38088.92.113.05   5.495.495.49 7.627.627.62   11.1315.24
3 1/290101.62.113.05   5.745.745.74 8.088.088.08     
4100114.32.113.05   6.026.026.02 8.568.568.56 11.13 13.4917.12
5125141.32.773.40   6.556.556.55 9.539,539.53 12.70 15.8819.05
6150168.32.773.40   7.117.117.11 10.9710.9710.97 14.27 18.2621.95
8200219.12.773.76 6.357.048.188.188.1810.3112.7012.7012.7015.0918.2620.6223.0122.23
10250273.13.404.19 6.357.809.279.279.2712.7012.7012.7015.0918.2621.4425.4028.5825.40
12300323.93.964.57 6.358.389.539.5310.3114.2712.7012.7017.4821.4425.4028.5833.3225.40
14350355.63.964.786.357.929.53 9.5311.1315.09 12.7019.0523.8327.7931.7535.71 
16400406.44.194.786.357.929.53 9.5312.70i6.66 12.7021.4426.1930.9636.5340.49 
18450457.24.194.786.357.9211.13 9.5314.2719.05 12.7023.8329.3634.9339,6745.24 
205005084.785.546.359.5312.70 9.5315.0920.62 12.7026.1932.5438.1044.4550.01 
22 5594.785.546.359.5312.70 9.53 22.23 12.7028.5834.9341.2847.6353.98 
246006105.546.356.359.5314.27 9.5317.4824.61 12.7030.9638.8946.0252.3759.54 
26 660  7.9212.70  9.53   12.70      
28700711  7.9212.7015.88 9.53   12.70      
30 7626.357.927.9212.7015.88 9.53   12.70      
32800813  7.9212.7015.88 9.5317.48  12.70      
34 884  7.9212.7015.88 9.5317.48  12.70      
36900914  7.9212.7015.88 9.5319.05  12.70      
38 965      9.53   12.70      
4010001016     9.53 12.70         
42 1067   12.7015.88 9.5319.05  12.70      
4411001118      9.53   12.70      
46 1168      9.53   12.70      
4812001219      9.53  12.70       
52 1321                 
561422                  
601524                  

Size Of Stainless Steel 321 Pipe & Tube

Exhaust Pipe Size Chart In Mm

ASTM A312 SS 304 Pipe OD
mm		Pipe WT
mm		in.SchKg/m
13.721.651/410S0.50
13.722.241/440S0.64
13.723.021/480S0.81
17.151.653/810S0.64
17.152.313/840S0.86
17.153.203/880S1.12
21.342.111/210S1.02
21.342.771/240S1.29
21.343.731/280S1.65
26.672.113/410S1.30
26.672.873/440S1.71
26.673.913/480S2.23
33.402.77110S2.13
33.403.38140S2.54
33.404.55180S3.29
33.406.352)11604.30
42.162.771¼10S2.73
42.163.561¼40S3.44
42.164.851¼80S4.53
42.166.352)1¼1605.69
48.262.771½10S3.16
48.263.681½40S4.11
48.265.081½80S5.49
60.332.77210S3.99
60.333.91240S5.52
60.335.54280S7.60
60.338.742)216011.29
73.033.052½10S5.35
73.035.162½40S8.77
73.037.012½80S11.59
88.903.05310S6.56
88.905.49340S11.47
88.907.62380S15.51
88.9011.132)316021.67
101.603.053½10S7.53
101.605.743½40S13.78
101.608.083½80S18.92
114.303.05410S8.50
114.306.02440S16.32
114.308.56480S22.67
114.3013.492)416034.05
141.306.55540S22.10
141.309.53580S31.44
141.3015.882)516049.87
168.283.4610S14.04
168.287.11640S28.69
168.2810.97680S43.21
168.2814.27612054.75
168.2818.262)616068.59
219.088.18840S43.20
219.0812.7880S65.63
219.0818.23812091.30
219.0823.012)8160112.97

Erw Tube Size Chart

Wall ThicknessStainless Steel 304 Tube Sizes ( O.D.) Sizes ( O.D.)
.0101/16" , 1/8" , 3/16"
.0201/16" , 1/8" , 3/16" , 1/4" , 5/16" , 3/8"
.0121/8"
.0161/8" , 3/16"
.0281/8" , 3/16" , 1/4" , 5/16" , 3/8" , 1/2" , 3/4" , 1" , 1 1/2" , 2"
.0351/8" , 3/16" , 1/4" , 5/16" , 3/8" , 7/16" , 1/2" , 16" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 1 5/8" , 2" , 2 1/4"
.0493/16" , 1/4" , 5/16" , 3/8" , 1/2" , 16" , 5/8" , 3/4" , 7/8" , 1" , 1 1/8" , 1 1/4" , 1 1/2" , 1 5/8" , 2" , 2 1/4"
.0651/4" , 5/16" , 3/8" , 1/2" , 16" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 1 5/8" , 1 3/4" , 2" , 2 1/2" , 3"
.0831/4" , 3/8" , 1/2" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 1 5/8" , 1 7/8" , 2" , 2 1/2" ,3"
.0951/2" , 5/8" , 1" , 1 1/4" , 1 1/2" , 2"
.1091/2" , 3/4" , 1" , 1 1/4" , 1 1/2" , 2"
.1201/2" , 5/8" , 3/4" , 7/8" , 1" , 1 1/4" , 1 1/2" , 2" , 2 1/4" , 2 1/2" , 3"
.1253/4" , 1" , 1 1/4" , 1 1/2" , 2" , 3" , 3 1/4"
.1341"
.2503"
.3753 1/2"

Weight Chart Of Stainless Steel 321 Pipe & Tube

NPS
(DN)		WEIGHT
LB/FT
(KG/M)		SCHOutside Diameter
IN
(Milimeter)		IDWT
IN
(Milimeter)
32
(800)		84.085
(126.032)		.0.0.032.00
(813)		.0.0.00.025
(6.035)
32
(800)		95.028
(141.09)		.0.0.032.00
(813)		.0.0.00.0281
(7.014)
32
(800)		105.069
(157.025)		1032.00
(813)		.0.0.00.0312
(7.092)
32
(800)		116.041
(173.035)		.0.0.032.00
(813)		.0.0.00.0344
(8.074)
32
(800)		126.078
(188.083)		.0.0.032.00
(813)		STD0.0375
(9.053)
32
(800)		137.012
(204.009)		.0.0.032.00
(813)		.0.0.00.0406
(10.031)
32
(800)		147.078
(220.01)		.0.0.032.00
(813)		.0.0.00.0438
(11.013)
32
(800)		158.008
(235.029)		.0.0.032.00
(813)		.0.0.00.0469
(11.091)
32
(800)		168.037
(250.065)		2032.00
(813)		XS0.05
(12.07)
32
(800)		188.087
(281.009)		.0.0.032.00
(813)		.0.0.00.0562
(14.027)
32
(800)		209.062
(312.017)		3032.00
(813)		.0.0.00.0625
(15.088)
32
(800)		230.029
(342.094)		4032.00
(813)		.0.0.00.0688
(17.048)
32
(800)		250.055
(373.00)		.0.0.032.00
(813)		.0.0.00.075
(19.005)
32
(800)		270.072
(402.094)		.0.0.032.00
(813)		.0.0.00.0812
(20.062)
32
(800)		291.014
(433.052)		.0.0.032.00
(813)		.0.0.00.0875
(22.023)
32
(800)		311.047
(463.078)		.0.0.032.00
(813)		.0.0.00.0938
(23.083)
32
(800)		331.039
(493.035)		.0.0.032.00
(813)		.0.0.01.00
(25.04)
32
(800)		351.023
(522.08)		.0.0.032.00
(813)		.0.0.01.0062
(26.097)
32
(800)		371.031
(552.088)		.0.0.032.00
(813)		.0.0.01.0125
(28.058)
32
(800)		391.03
(582.064)		.0.0.032.00
(813)		.0.0.01.0188
(30.018)
32
(800)		410.09
(611.072)		.0.0.032.00
(813)		.0.0.01.025
(31.075)
34
(850)		90.02
(134.031)		.0.0.034.00
(864)		.0.0.00.025
(6.035)
34
(850)		101.029
(150.088)		.0.0.034.00
(864)		.0.0.00.0281
(7.014)
34
(850)		112.036
(167.021)		1034.00
(864)		.0.0.00.0312
(7.092)
34
(850)		123.077
(184.034)		.0.0.034.00
(864)		.0.0.00.0344
(8.074)
34
(850)		134.079
(200.082)		.0.0.034.00
(864)		STD0.0375
(9.053)
34
(850)		145.08
(217.006)		.0.0.034.00
(864)		.0.0.00.0406
(10.031)
34
(850)		157.014
(234.01)		.0.0.034.00
(864)		.0.0.00.0438
(11.013)
34
(850)		168.011
(250.027)		.0.0.034.00
(864)		.0.0.00.0469
(11.091)
34
(850)		179.006
(266.063)		2034.00
(864)		XS0.05
(12.07)
34
(850)		200.089
(299.004)		.0.0.034.00
(864)		.0.0.00.0562
(14.027)
34
(850)		222.099
(332.014)		3034.00
(864)		.0.0.00.0625
(15.088)
34
(850)		245.00
(364.092)		4034.00
(864)		.0.0.00.0688
(17.048)
34
(850)		266.058
(396.096)		.0.0.034.00
(864)		.0.0.00.075
(19.005)
34
(850)		288.008
(428.088)		.0.0.034.00
(864)		.0.0.00.0812
(20.062)
34
(850)		309.084
(461.048)		.0.0.034.00
(864)		.0.0.00.0875
(22.023)
34
(850)		331.052
(493.075)		.0.0.034.00
(864)		.0.0.00.0938
(23.083)
34
(850)		352.077
(525.03)		.0.0.034.00
(864)		.0.0.01.00
(25.04)
34
(850)		373.094
(556.073)		.0.0.034.00
(864)		.0.0.01.0062
(26.097)
34
(850)		395.036
(588.083)		.0.0.034.00
(864)		.0.0.01.0125
(28.058)
34
(850)		416.07
(620.06)		.0.0.034.00
(864)		.0.0.01.0188
(30.018)
34
(850)		437.062
(651.065)		.0.0.034.00
(864)		.0.0.01.025
(31.075)
36
(900)		95.054
(142.014)		.0.0.036.00
(914)		.0.0.00.025
(6.035)
36
(900)		107.03
(159.068)		.0.0.036.00
(914)		.0.0.00.0281
(7.014)
36
(900)		119.003
(176.097)		1036.00
(914)		.0.0.00.0312
(7.092)
36
(900)		131.012
(195.012)		.0.0.036.00
(914)		.0.0.00.0344
(8.074)
36
(900)		142.081
(212.057)		.0.0.036.00
(914)		STD0.0375
(9.053)
36
(900)		154.048
(229.077)		.0.0.036.00
(914)		.0.0.00.0406
(10.031)
36
(900)		166.051
(247.082)		.0.0.036.00
(914)		.0.0.00.0438
(11.013)
36
(900)		178.014
(264.096)		.0.0.036.00
(914)		.0.0.00.0469
(11.091)
36
(900)		189.075
(282.029)		2036.00
(914)		XS0.05
(12.07)
36
(900)		212.09
(316.063)		.0.0.036.00
(914)		.0.0.00.0562
(14.027)
36
(900)		236.035
(351.073)		3036.00
(914)		.0.0.00.0625
(15.088)
36
(900)		259.071
(386.047)		.0.0.036.00
(914)		.0.0.00.0688
(17.048)
36
(900)		282.062
(420.045)		4036.00
(914)		.0.0.00.075
(19.005)
36
(900)		305.044
(454.03)		.0.0.036.00
(914)		.0.0.00.0812
(20.062)
36
(900)		328.055
(488.089)		.0.0.036.00
(914)		.0.0.00.0875
(22.023)
36
(900)		351.057
(523.014)		.0.0.036.00
(914)		.0.0.00.0938
(23.083)
36
(900)		374.015
(556.062)		.0.0.036.00
(914)		.0.0.01.00
(25.04)
36
(900)		396.064
(589.098)		.0.0.036.00
(914)		.0.0.01.0062
(26.097)
36
(900)		419.042
(624.007)		.0.0.036.00
(914)		.0.0.01.0125
(28.058)
36
(900)		442.01
(657.081)		.0.0.036.00
(914)		.0.0.01.0188
(30.018)
36
(900)		464.035
(690.08)		.0.0.036.00
(914)		.0.0.01.025
(31.075)
38
(950)		125.07
(186.094)		.0.0.038.00
(965)		.0.0.00.0312
(7.092)
38
(950)		138.047
(206.011)		.0.0.038.00
(965)		.0.0.00.0344
(8.074)
38
(950)		150.083
(224.056)		.0.0.038.00
(965)		STD0.0375
(9.053)
38
(950)		163.016
(242.074)		.0.0.038.00
(965)		.0.0.00.0406
(10.031)
38
(950)		175.087
(261.082)		.0.0.038.00
(965)		.0.0.00.0438
(11.013)
38
(950)		188.017
(279.094)		.0.0.038.00
(965)		.0.0.00.0469
(11.091)
38
(950)		200.044
(298.026)		.0.0.038.00
(965)		XS0.05
(12.07)
38
(950)		224.092
(334.058)		.0.0.038.00
(965)		.0.0.00.0562
(14.027)
38
(950)		249.071
(371.07)		.0.0.038.00
(965)		.0.0.00.0625
(15.088)
38
(950)		274.042
(408.046)		.0.0.038.00
(965)		.0.0.00.0688
(17.048)
38
(950)		298.065
(444.041)		.0.0.038.00
(965)		.0.0.00.075
(19.005)
38
(950)		322.08
(480.024)		.0.0.038.00
(965)		.0.0.00.0812
(20.062)
38
(950)		347.026
(516.085)		.0.0.038.00
(965)		.0.0.00.0875
(22.023)
38
(950)		371.063
(553.011)		.0.0.038.00
(965)		.0.0.00.0938
(23.083)
38
(950)		395.053
(588.057)		.0.0.038.00
(965)		.0.0.01.00
(25.04)
38
(950)		419.035
(623.09)		.0.0.038.00
(965)		.0.0.01.0062
(26.097)
38
(950)		443.047
(660.001)		.0.0.038.00
(965)		.0.0.01.0125
(28.058)
38
(950)		467.05
(695.077)		.0.0.038.00
(965)		.0.0.01.0188
(30.018)
38
(950)		491.007
(730.074)		.0.0.038.00
(965)		.0.0.01.025
(31.075)

Pressure Ratings Of Stainless Steel 321 Pipe & Tube

Schedule of PipeSize of Seamless Pipe
(inches)		(°F) Temperature
200100300500400600700650750
801"363442133265279130022659252825802501
401"262930482362201921711924182418671810
401.5"194722571750149616081425135413831340
1601"529661404759406843753876368437613646
1601.5"398446193580306032912916277228292743
801.5"274431822466210822672009190919491889
802"236927472129182019571734164816821631
402"164019021474126013551201114111651129
403"155818061400119612871140108411061072
1602"388044993486298032052840269927552671
1603"331238402976254427362424230423522280
803"220225531979169118191612153215641516
804"190922131715146615771397132813551314
404"13211531118710141091967919938909
405"115813421040889956847805822797
1604"310636012791238625662273216122062138
805"170919811535131214111250118912131176
1605"294534142646226224332155204920912027
806"165019131483126713631208114811721136
406"10521219945808869770732747724
408"9261073832711765678644657637
1606"283632892549217923432076197320141953
1608"273831752460210322622004190519441885
808"145916921311112112051068101510361005
8010"138816091247106611471016966986956
4010"840974755945694615584596578
16010"271431472439208522421986188019271868

industrial use fitting for Stainless Steel 321 Pipe & Tube

ASME SA312 SS 321 Ornamental Tubes
SS 321 Slot Round Pipe
321 SS Triangle Tube
UNS S32100 Hexagonal Tube
DIN 1.4541 U Shaped Tube
SS 321 Boiler Tube

Price Of Stainless Steel 321 Pipe & Tube

Stainless Steel Seamless PipeUSD $2.0 - $10.09 / kg (FOB Price) on request
Stainless Steel Welded PipeUSD $2.0 - $10.09 / kg (FOB Price) on request
Stainless Steel Hollow PipeUSD $2.0 - $10.09 / kg (FOB Price) on request
Stainless Steel TubeUSD $2.0 - $10.09 / kg (FOB Price) on request
Stainless Steel ERW PipeUSD $2.0 - $10.09 / kg (FOB Price) on request

Application Of Stainless Steel 321 Pipe & Tube

We make sure that our every product is made of high quality raw material. We thoroughly test each and every product before dispatching it to our customers.

  • Petrochemical Industries
  • Power Generation Industries
  • Food Processing Industries
  • Oil & Gas Industries
  • Sugar Industries

Testing Of Stainless Steel 321 Pipe & Tube

We known for its accurate and perfect dimensions. We thoroughly test all our products before shipping them to the customers. We carry out destructive as well as non-destructive tests on all our products.

  • Eddy Current Examining
  • Hydrostatic Analysis
  • Pitting Protection Test
  • Power Generation Industries
  • Positive Material Recognition

Packing Of Stainless Steel 321 Pipe & Tube

We uses the most safest and the most effective ways of packaging for all types of deliveries. We pack our goods in various ways such as:

  • Wooden Boxes
  • Wooden Pallets
  • Shrink-Wrapped
  • Carton Boxes
  • Wooden crates

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