Stainless Steel 347 Seamless Tube

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Neeka Tubes is a global manufacturer and supplier of Stainless Steel 347 Seamless Tubing, offering premium-quality tubing solutions for various industries. SS 347 seamless tubing is a stabilised austenitic stainless steel alloy with high resistance to intergranular corrosion and high-temperature use. This tubing is ideal for applications requiring superior strength, durability and oxidation resistance. We have tubing available in annealed and pickled, bright annealed, polished and cold-drawn conditions.

Our SS ASTM A213 TP347H Seamless tubing contains chromium (17-20%) and nickel (9-13%), enhancing its corrosion resistance. The addition of columbium (Cb) and tantalum (Ta) improves its strength at high temperatures. This alloy has a tensile strength of 75 ksi (515 MPa) and a yield strength of 30 ksi (205 MPa), with an elongation of 40%. Our tubing conforms to ASTM A213, A269, A249, A511, A554 / ASME SA213, SA269, SA249, SA511 and SA554 standards, we have sizes from 1/2″ OD to 8″ OD with thicknesses ranging from 0.3mm to 50mm.

SS 347 Seamless Tubing, Stainless Steel 347 Seamless Tube, 347 Stainless Steel Tube, SS 347 Tubes, SS 347 Tube, ASTM A213 TP 347 Tube, ASTM A312 TP 347 Tube, Stainless Steel 347 Tube, Stainless Steel 347 Seamless Tubing Supplier

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Key Features of Stainless Steel 347 Seamless Tubing

  • High Temperature Tensile Strength – Has good tensile strength at high temperatures and high pressures.
  • High Corrosion Resistance – Resists corrosion, pitting, and crevice corrosion in extreme conditions.
  • Improved Weldability and Formability – Weldable and formable without reducing the mechanical properties.
  • Long-Lasting Durability – High resistance to thermal expansion and mechanical stress.
  • Low Maintenance – Minimal upkeep is required due to its non-rusting and anti-corrosive properties.

SS 347 seamless tubing is used in gas processing, petrochemical and power generation industries due to its high heat resistance. It is also used in heat exchangers, pharmaceutical equipment, condensers and offshore oil drilling operations. Additionally, our tubing finds applications in the pulp and paper industry, speciality chemical manufacturing, seawater systems and general engineering projects such as aircraft components, pumps, rails, cranes, transportation and home appliances.

Most Common Types of Stainless Steel 347 Seamless Tubing

SS 347 Seamless Tube

347 SS Round Tube

SS 347 square Tube

SS 347 Rectangular Tube

SS 347 Welded Steel Coil Tube

347 Stainless Steel Capillary Tube

Stainless Steel 347 Polished Tube

Stainless Steel 347 Cold Drawn Seamless Tube

Stainless Steel 347 Seamless Tubing Specifications

Tube Range 6.35 mm OD To 101.6 mm OD
Gauge 25 SWG – 10 SWG
Outer Diameter 3.00 mm – 219.10 mm
Wall Thickness 0.40 mm – 12.70 mm
Schedules 5, 10S, 10, 30, 40S, 40, 80, 80S, XS, 160, XXH
Length Up to 30 meters, Custom Cut Lengths
Specifications ASTM A213 / ASTM SA213
Types Round, Square, Rectangle, Coil, “U” Shape, Hydraulic & Honed Tubes
Looking For Fastest Delivery of 347 Stainless Steel Tubing in Mumbai? Find Your Sizes and Thickness of SS 347 Seamless Tube in Our Ready Stock.
Grade Ni N Cr C Si Mn P S Other
SS 347 09 – 13 – 17 – 20 0.08 max 1 max 2 max 0.045 max 0.030 max Nb=10(C+N) – 1.0
SS 347H 09 – 13 – 17 – 19 0.04 – 0.08 1 max 2 max 0.045 max 0.03 max 8xC min – 1.00 max
Grade 347 / 347H
Tensile Strength (MPa) min 515
Yield Strength 0.2% Proof (MPa) min 205
Elongation (% in 50mm) min 40
Hardness
Rockwell B (HR B) max 92
Brinell (HB) max 201
STANDARD UNS WERKSTOFF NR.
SS 347 S34700 1.4550
SS 347H S34709 1.4961

Contact Neeka tubes today for a best offer & competitive quotation Of Stainless Steel 347 Seamless Tubing
Please Call on +91 7700067892 or drop an E-Mail : sales@neekatubes.net

Stainless Steel 347 Seamless Tubing Dimensions In MM

Nominal Tube 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                  

SS 347 Seamless Tubing Thickness Chart

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)

SS 347 Seamless Tubing Packing & Marking

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Packaging & Marking Details

For safe transportation, SS 347 Seamless Tubing is packed in wooden cases, plastic packings, or steel strips as per the customer’s need. Proper marking with specifications, heat number and manufacturing details can make the product easy to identify in case of any complications.

Tests & Certifications

We have quality assurance through mill test certificates, chemical and mechanical test reports, PMI test reports, third party inspection and NABL certified test reports.  Additional tests like destructive and non-destructive evaluations are conducted to guarantee reliability and durability.

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Industrial Application of SS 347 Seamless Tubes

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