What are the main applications of stainless steel 347 / 347H large-diameter pipes?

Stainless Steel 347 / 347H Large-Diameter Pipes find extensive applications in various industries due to their exceptional properties. One of the primary applications is in the petrochemical industry, where these pipes are widely used for transporting corrosive fluids and gases. Their high resistance to intergranular corrosion and oxidation makes them ideal for handling harsh chemical environments, such as sulfuric acid and acetic acid.

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347 Stainless Steel Large Diameter Piping, SS 347 Large Diameter Pipe, Stainless Steel 347H Large Diameter Pipe, Stainless Steel TP347 Large Diameter Pipe, 347H Stainless Steel Large Diameter Pipe, Stainless Steel 347 Large Diameter Pipe, SS 347H Large Diameter Pipe, 347 Stainless Steel Large Diameter Pipe, Stainless Steel 347 Large Diameter Pipe Supplier In Mumbai, India.

These pipes are commonly employed in the oil and gas industry for exploration, production, and refining. They are well-suited for transporting crude oil, natural gas, and petroleum products thanks to their excellent resistance to pitting and crevice corrosion. The robustness and durability of stainless steel 347 / 347H large-diameter pipes make them reliable for onshore and offshore operations.

How does the corrosion resistance of stainless steel 347 / 347H compare to other stainless steel grades?

Stainless steel 347 exhibits excellent corrosion resistance, which sets it apart from other stainless steel grades. Its resistance to intergranular corrosion is particularly noteworthy, making it highly suitable for applications involving exposure to sensitizing temperatures. This resistance is attributed to the addition of niobium (columbium) in its composition, which forms carbides and stabilizes the stainless steel structure. Compared to austenitic stainless steel grades such as 304 and 316, Stainless Steel 347 demonstrates superior resistance to chromium carbide precipitation, even after exposure to high temperatures.

Stainless steel 347H exhibits remarkable performance against various corrosive agents, including organic acids, oxidizing media, and moderately reducing environments. Its higher carbon content contributes to its improved resistance to sensitization and grain boundary corrosion, ensuring its reliability in harsh conditions.

Compared to ferritic stainless steel grades such as 430, stainless steel 347H outperforms in corrosion resistance due to its higher chromium and nickel content. It offers better pitting and crevice corrosion resistance, commonly encountered in chloride-rich environments.

Specification Of 347 Stainless Steel Large Diameter Pipe

Large Diameter Pipe Standard ASTM A312 ASME SA312 / ASTM A358 ASME SA358
Large Diameter Pipe Dimension ANSI/ASME B36.19M, ANSI/ASME B36.10M
Large Diameter Pipe Sizes 16" NB - 204" NB
Large Diameter Pipe Outside Diameter 16" - 120" for spiralweld pipe
36" - 204" for rolled & welded pipe
Steel Large Diameter Pipe Manufacturing Process Seamless / Welded / ERW / Fabricated / EFW / 100% X Ray Welded
Large Diameter Pipe Wall thickness 0.25" - 1" for spiralweld pipe
0.375" - 2.25" for rolled & welded pipe
Stainless Steel Large Diameter Pipe Schedule SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS
Large Diameter Pipe Ends Half Hard, Soft, Hard, Quarter Hard, Spring Hard
Delivery Condition Annealed and Pickled, Polished, Bright Annealed, Cold Drawn
Outside Finish 2B, No.4, No.1, No.8 Mirror Finish for Stainless Steel Pipes, Finish as per customer Requirements
Value Added Services Cutting, Beveling, Polishing, Threading, Destructive, Non Destructive, Ultrasonic Testing

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Types Of Stainless Steel 347 Large Diameter Pipes

Stainless Steel 347 Large Diameter Round Pipe

347 SS Large Diameter Round Pipe

SS 347 Large Diameter Round Pipe, Stainless Steel 347H Large Diameter Round Pipe Supplier, Stainless Steel 347 Large Diameter Round Pipe Stockist.

Stainless Steel 347 Spiral Welded Large Diameter Pipe

347 SS Spiral Welded Large Diameter Pipe

SS 347 Spiral Welded Large Diameter Pipe, Stainless Steel 347 Spiral Welded Large Diameter Pipe Supplier, Stainless Steel 347H Spiral Welded Large Diameter Pipe Stockist.

Stainless Steel 347 Rolled & Welded Large Diameter Pipe

347 SS Rolled & Welded Large Diameter Pipe

SS 347 Rolled & Welded Large Diameter Pipe, Stainless Steel 347H Rolled & Welded Large Diameter Pipe Supplier, Stainless Steel 347 Rolled & Welded Large Diameter Pipe Stockist.

Stainless Steel 347 Coated Large Diameter Pipe

347 SS Coated Large Diameter Pipe

SS 347H Fusion Bonded Epoxy (FBE) Coated Large Diameter Pipe, Stainless Steel 347 Abrasion Resistant Overcoat (ARO) Coated Large Diameter Pipe Supplier, Stainless Steel 347H Coated Large Diameter Pipe Stockist.

Widest Range of 347-347H Stainless Steel Large Diameter Pipes in Mumbai, India.

  • Widest Range347 SS Electric Fusion Welding Large Diameter Pipe
  • Widest Range1422 mm (56”) Stainless Steel 347 Large Diameter Pipe
  • Widest Range610 mm (24”) Stainless Steel 347 Large Diameter Pipe
  • Widest RangeSpiral Welded Stainless Steel 347 Large Diameter Pipe
  • Widest RangeSS 347 Submerged Arc Welding (LSAW) Large Diameter Pipe
  • Widest RangeASTM A312 Stainless Steel 347 Large Diameter Pipe
  • Widest Range347 Stainless Steel Laser Welded Large Diameter Pipe
  • Widest RangeFusion Bonded Epoxy (FBE) SS 347 Large Diameter Pipe
  • Widest Range1219 mm (48”) Stainless Steel 347 Large Diameter Pipe
  • Widest Range347 Stainless Steel EFW Pipe
  • Widest RangeASME SA312 Stainless Steel 347 Large Diameter Pipe
  • Widest Range347 Stainless Steel Galvanized Large Diameter Pipe
  • Widest RangeASME SA312 Stainless Steel 347H Large Diameter Pipe
  • Widest RangeASTM A312 Stainless Steel 347H Large Diameter Pipe
  • Widest Range910 mm (36”) Stainless Steel 347 Large Diameter Pipe
  • Widest RangeAbrasion Resistant Overcoat (ARO) SS 347 Large Diameter Pipe

Check Stainless Steel 347/347H Pipes Types In Detail

347 Stainless Steel Large Diameter Pipes Equivalent Grades

Grade UNS No Old British Euronorm Swedish SS Japanese JIS
BS En No Name
347 S34700 X6CrNiNb18-10 1.4550
347H S34709 1.4961

Stainless Steel 347 Large Bore Pipe, 347 Stainless Steel Large Diameter Pipe Manufacturers In India, 347H Stainless Steel Big Diameter Pipe, Jindal 347 Stainless Steel Large Diameter Pipe, Stainless Steel 347 Large Diameter Pipe Exporter In India

347 Stainless Steel Large Diameter Pipes Price

Product Price
SS 1.4550 Large Diameter Pipe Price List US $ 32 - 33 / kg
Custom Size SS 1.4961 Large Diameter Pipes Price US $ 1522 - 14444 / Ton
S34700 Stainless Steel Large Diameter Pipe Price US $ 1279 - 13334 / Ton
Austenitic Stainless Steel 347 Large Diameter Pipe Price Per KG $1214.00 - $2641.00/ Ton
347 SS Large Diameter Pipe Price List $932 - 1424/ Ton
Schedule 10 Stainless Steel 347H Large Diameter Pipes Price $1,144.00 - $5,749.00/ Ton
Stainless Steel S34709 Large Diameter Pipe Price US $ 1274 - 8354 / Ton
Polished Stainless Steel 347H Large Diameter Pipes Price $1025.00 - $6,444.00/ Ton
ASTM A312 Plain End Stainless Steel 347 Large Diameter Pipe Price List $1387.00 - $8,630.00/ Ton

For Quatation & Questions Related To Stainless Steel 347 Large Diameter Pipes

Avoid those problems that occur with low-quality stainless steel 347 Large Diameter pipes by getting high-quality stainless steel 347 Large Diameter pipes at competitive prices from us. Give us a call or send us an email to discuss how we can help you build your business. Working with such an esteemed client as you will make us happy.

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Stainless Steel 347 Large Diameter Pipe Manufacturing Process

Forming

According to the name, the plate is bent into a "U" and then a "O" in succession. The lowering of the die starts the process of forming in the U-ing press. The side rollers move the crimped plate in the direction of the die. The O-ing press is then used to mould the U-shaped plate into a slit pipe. Working at up to 60,000 tonnes of pressure, this is precision work.

Two lower rolls and one higher roll bend the plate to the appropriate radius during the three-roll bending procedure. Different top roll diameters are employed, depending on the steel grade and necessary pipe diameter. Afterward, the crimping machine rounds the created edges.

Tack welding of the slit pipe

The open edges of the slit pipe are tacking welded together in shielding gas prior to submerged-arc welding. Frames (roller cages) are used for this, which precisely position the edges and prevent misalignment. Additionally, the continuous tack weld keeps the weld pool in place for subsequent submerged arc welding.

Pipe identification

material tracking throughout the entire production process. For identification each pipe is marked with a pipe production number. Additionally a line, marking the centre of the pipe, is the reference for late non-destructive testing of the weld seam.

Inside and outside welding

Two passes are used to attach the longitudinal edges. At the pipe ends, run-on and run-off tabs are positioned to stabilise the electric arc at the start and end of the welding process.

Outside welding is done after the inside welding has been completed. The tack weld pass has fused entirely. Up to five welding wires can be positioned in a line behind one another during submerged-arc multi-wire welding. Welding wire and flux, amperage, voltage, welding speed, wire spacing, wire diameter, the angle of the wires in relation to one another and the weld groove, as well as flux height and width, all affect how consistently good a weld is. A welding data monitoring system enables online manufacturing process monitoring.

X-ray weld inspection / Filmless radiography

Each seam is first visually inspected from the inside out. In addition to X-ray and manual ultrasonic testing, our internal quality checks also involve ultrasonic inspection of the whole seam.

When compared to traditional film-based approaches, the use of automatic picture evaluation software and image processing capabilities considerably increases the reliability of inspection and detection. Any ultrasonic signals are automatically and precisely verified. We take pride in being the only manufacturer of large-diameter pipes to use digital technology for all radiography examinations. We streamline the inspection procedure, record the findings, and keep track of any deviations for later follow-up.

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Chemical Composition Of Stainless Steel 347H Large Diameter Pipe

Grade C Mn Si P S Cr Mo Ni N
347 min. 17.0 2.00 9.0
max. 0.08 2.0 1.00 0.045 0.030 20.0 3.00 13.0
347H min. 0.04 17.0 3.00 9.0
max. 0.10 2.0 1.00 0.045 0.030 19.0 4.00 13.0

Mechanical Properties Of 347 Stainless Steel Large Diameter Piping

Grade C Mn Si P S Cr Mo Ni N
347 min. 17.0 2.00 9.0
max. 0.08 2.0 1.00 0.045 0.030 20.0 3.00 13.0
347H min. 0.04 17.0 3.00 9.0
max. 0.10 2.0 1.00 0.045 0.030 19.0 4.00 13.0

Testing & Inspection of 347 Stainless Steel Large Diameter Pipes

Testing (Destructive, Non Destructive)

Pitting Resistance Test Eddy Current Testing
Hardness Test Ultra Sonic Test (UT)
Flaring Test Bend Test
Intergranular Corrosion (IGC) Test Impact Test
Chemical Analysis – Spectro Analysis Hydrogen-Induced Cracking (HIC) Test
Mechanical Testing Such as Tensile, Elongation, Reduction of Area Sulfide Stress Corrosion Cracking (SSC), NACE TM 0177
Positive Material Identification – PMI Testing Hydrostatic Test
Micro Test Radiography Test
Macro Test Dye Penetrant Test (DP Test)
Flattening Test

Stainless Steel 347H Large Diameter Pipe Sizes 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

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Supply Cities Of Stainless Steel 347 And 347H Large Diameter Pipes

The cities listed here are where we have supplied our grade 347H stainless steel large diameter pipes in bulk or small orders. Cities from metropolitan to rural areas we can provide SS 347 large diameter pipes to satisfy the needs of our clients.

Ho Chi Minh City, Mexico City, Houston, Dubai, Vung Tau, Jakarta, Seoul, Manama, Ranchi, Surat, Caracas, Sydney, Milan, Granada, Howrah, Chiyoda, Hyderabad, Santiago, Singapore, Cairo, Baroda, Bogota, Chandigarh, Atyrau, Dammam, Jamshedpur, London, Colombo, Jaipur, Madrid, Ernakulam, Chennai, Calgary, Ludhiana, Ankara, Ahmedabad, Gimhae-si, New York, Toronto, Courbevoie, Ahvaz, Lahore, Navi Mumbai, Bhopal, Tehran, Coimbatore, Geoje-si, Visakhapatnam, Montreal, Jeddah, Karachi, Ulsan, Hong Kong, Indore, Thiruvananthapuram, Doha, Faridabad, Mumbai, Brisbane, Nashik, Kuwait City, Perth, Algiers, Thane, Muscat, Noida, Istanbul, Moscow, Port-of-Spain, Abu Dhabi, Busan, Vadodara, Pune, Nagpur, Lagos, Kolkata, Rajkot, Edmonton, Bangkok, Kuala Lumpur, Petaling Jaya, Mumbai, Gurgaon, Pimpri-Chinchwad, Al Khobar, Kanpur, Rio de Janeiro, Secunderabad, Bengaluru, Dallas, Melbourne, Riyadh, Sharjah, Hanoi, Aberdeen, New Delhi, Haryana, Los Angeles, Al Jubail, La Victoria.

Documents Provided at the time of Domestic Sales or Export of 347 Stainless Steel Large Diameter Pipes

Packing List Quality Assurance Plan (QAP)
Certificate of Origin Raw Material Test Reports
Fumigation Certificates NABL approved Laboratory Test Reports
ROHS Certificate Certificate of Compliance/Conformity
Letter of Guarantee Material Test Certificates
Commercial Invoice Heat Treatment Charts

Application Industries We Supply Stainless Steel 347 Large Diameter Pipes

347 SS Large Diameter Pipes For Health care, 347 Stainless Steel Large Diameter Pipes For Pulp and Paper Industry, 347H Stainless Steel Large Diameter Pipes For Rail Transport, Stainless Steel 1.4550 Large Diameter Pipes For Textile Industry, UNS S34709 Large Diameter Pipes For Engineering, 347 Stainless Steel Large Diameter Pipes For Manufacturing, 347H Stainless Steel Large Diameter Pipes For Production, Stainless Steel 347 Large Diameter Pipes For Waste, UNS S34700 Large Diameter Pipes For Mining, 347 Stainless Steel Large Diameter Pipes For Energy, Stainless Steel 347 Large Diameter Pipes For Technology, 347 Stainless Steel Large Diameter Pipes For Food Industry, 347H Stainless Steel Large Diameter Pipes For Pharmaceutical Industry, 347 Stainless Steel Large Diameter Pipes For Transport, Stainless Steel 347H Large Diameter Pipes For Real Estate, 347 Stainless Steel Large Diameter Pipes For Agriculture, 347 Stainless Steel Large Diameter Pipes For Factory, 347H Stainless Steel Large Diameter Pipes For Tertiary Sector, Stainless Steel 1.4961 Large Diameter Pipes For Construction, 347 Stainless Steel Large Diameter Pipes For Chemical Industry, 347 Stainless Steel Large Diameter Pipes For Electronics.

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