What are the key features and benefits of using stainless steel 304H large-diameter pipes?

Stainless Steel 304H Large-Diameter Pipes offer a wide range of key features and benefits that make them highly suitable for various applications. Firstly, their primary component, stainless steel 304H, provides excellent corrosion resistance, making these pipes highly resistant to rust and oxidation. This corrosion resistance enables them to withstand harsh environments and corrosive substances, making them ideal for chemical processing, oil and gas, and marine applications.

Furthermore, stainless steel 304H large-diameter pipes exhibit exceptional strength and durability, allowing them to withstand high pressures and heavy loads. This robustness ensures long-term reliability and reduces the risk of pipe failures, making them a preferred choice for demanding industrial applications.

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In addition to their mechanical properties, stainless steel 304H large-diameter pipes offer superior heat resistance. They can withstand high temperatures without deformation or loss of structural integrity, making them suitable for applications involving elevated temperatures, such as heat exchangers, boilers, and power generation equipment.

How does stainless steel 304H differ from other stainless steel grades in composition and properties?

Stainless steel 304H differs from other stainless steel grades in terms of its composition and properties in several key aspects. Firstly, stainless steel 304H is a high-carbon variant of the 304 grade, which enhances its high-temperature strength and creep resistance. The high carbon content in stainless steel 304H provides improved mechanical properties at higher temperatures, making it suitable for high heat and thermal cycling applications.

Stainless steel 304H exhibits excellent corrosion resistance compared to other stainless steel grades. It contains a higher percentage of chromium, typically around 18-20%, which forms a protective oxide layer on the material's surface. This oxide layer acts as a barrier, preventing the penetration of corrosive substances and protecting the underlying steel from rust, oxidation, and pitting corrosion.

Specification Of 304H 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 304H Large Diameter Pipes

Stainless Steel 304H Large Diameter Round Pipe

304H SS Large Diameter Round Pipe

SS 304H Large Diameter Round Pipe, Stainless Steel 304H Large Diameter Round Pipe Supplier, Stainless Steel 304H Large Diameter Round Pipe Stockist.

Stainless Steel 304H Spiral Welded Large Diameter Pipe

304H SS Spiral Welded Large Diameter Pipe

SS 304H Spiral Welded Large Diameter Pipe, Stainless Steel 304H Spiral Welded Large Diameter Pipe Supplier, Stainless Steel 304H Spiral Welded Large Diameter Pipe Stockist.

Stainless Steel 304H Rolled & Welded Large Diameter Pipe

304H SS Rolled & Welded Large Diameter Pipe

SS 304H Rolled & Welded Large Diameter Pipe, Stainless Steel 304H Rolled & Welded Large Diameter Pipe Supplier, Stainless Steel 304H Rolled & Welded Large Diameter Pipe Stockist.

Stainless Steel 304H Coated Large Diameter Pipe

304H SS Coated Large Diameter Pipe

SS 304H Fusion Bonded Epoxy (FBE) Coated Large Diameter Pipe, Stainless Steel 304H Abrasion Resistant Overcoat (ARO) Coated Large Diameter Pipe Supplier, Stainless Steel 304H Coated Large Diameter Pipe Stockist.

Widest Range of 304H-304H Stainless Steel Large Diameter Pipes in Mumbai, India.

  • Widest Range1422 mm (56”) Stainless Steel 304H Large Diameter Pipe
  • Widest RangeFusion Bonded Epoxy (FBE) SS 304H Large Diameter Pipe
  • Widest RangeASTM A312 Stainless Steel 304H Large Diameter Pipe
  • Widest RangeSpiral Welded Stainless Steel 304H Large Diameter Pipe
  • Widest Range304H SS Electric Fusion Welding Large Diameter Pipe
  • Widest RangeSS 304H Submerged Arc Welding (LSAW) Large Diameter Pipe
  • Widest Range304H Stainless Steel Laser Welded Large Diameter Pipe
  • Widest Range610 mm (24”) Stainless Steel 304H Large Diameter Pipe
  • Widest Range910 mm (36”) Stainless Steel 304H Large Diameter Pipe
  • Widest RangeASTM A312 Stainless Steel 304H Large Diameter Pipe
  • Widest Range304H Stainless Steel EFW Pipe
  • Widest RangeASME SA312 Stainless Steel 304H Large Diameter Pipe
  • Widest Range304H Stainless Steel Galvanized Large Diameter Pipe
  • Widest RangeASME SA312 Stainless Steel 304H Large Diameter Pipe
  • Widest RangeAbrasion Resistant Overcoat (ARO) SS 304H Large Diameter Pipe
  • Widest Range1219 mm (48”) Stainless Steel 304H Large Diameter Pipe

Check Stainless Steel 304H Pipes Types In Detail

304H Stainless Steel Large Diameter Pipes Equivalent Grades

STANDARD UNS WERKSTOFF NR. EN BS
SS 304H S30409 1.4948 X6CrNi18-11 304S51

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304H Stainless Steel Large Diameter Pipes Price

Product Price
SS 1.4948 Large Diameter Pipe Price List US $ 23 - 34 / kg
Custom Size SS 1.4948 Large Diameter Pipes Price US $ 1401 - 15200 / Ton
S30409 Stainless Steel Large Diameter Pipe Price US $ 1939 - 13204 / Ton
Austenitic Stainless Steel 304H Large Diameter Pipe Price Per KG $1020.00 - $2404.00/ Ton
304H SS Large Diameter Pipe Price List $951 - 1300/ Ton
Schedule 10 Stainless Steel 304H Large Diameter Pipes Price $1,282.00 - $5,959.00/ Ton
Stainless Steel S30409 Large Diameter Pipe Price US $ 1201 - 8340 / Ton
Polished Stainless Steel 304H Large Diameter Pipes Price $1299.00 - $6,550.00/ Ton
ASTM A312 Plain End Stainless Steel 304H Large Diameter Pipe Price List $1504.00 - $8,620.00/ Ton

For Quatation & Questions Related To Stainless Steel 304H Large Diameter Pipes

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Stainless Steel 304H 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 304H Large Diameter Pipe

Grade C Mn Si P S Cr Mo Ni N
SS 304H 0.10 max 2 max 0.75 max 0.045 max 0.03 max 18 – 20 - 8 – 10.5 -

Mechanical Properties Of 304H Stainless Steel Large Diameter Piping

Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
8.0 g/cm3 1400 °C (2550 °F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 40 %

Testing & Inspection of 304H 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 304H 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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We have exported and supplied our 304H Stainless Steel Large Diameter Pipes to solve piping related problems of our prestigious domestic and worldwide clients. We appreciate your business and the confidence you have placed in us.

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Supply Cities Of Stainless Steel 304H Large Diameter Pipes

The cities listed here are where we have supplied our grade 304H stainless steel large diameter pipes in bulk or small orders. Cities from metropolitan to rural areas we can provide SS 304H large diameter pipes to satisfy the needs of our clients.

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

Documents Provided at the time of Domestic Sales or Export of 304H 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 304H Large Diameter Pipes

304H SS Large Diameter Pipes For Health care, 304H Stainless Steel Large Diameter Pipes For Pulp and Paper Industry, 304H Stainless Steel Large Diameter Pipes For Rail Transport, Stainless Steel 1.4948 Large Diameter Pipes For Textile Industry, UNS S30409 Large Diameter Pipes For Engineering, 304H Stainless Steel Large Diameter Pipes For Manufacturing, 304H Stainless Steel Large Diameter Pipes For Production, Stainless Steel 1.4307 Large Diameter Pipes For Waste, UNS S30409 Large Diameter Pipes For Mining, 304H Stainless Steel Large Diameter Pipes For Energy, Stainless Steel 304H Large Diameter Pipes For Technology, 304H Stainless Steel Large Diameter Pipes For Food Industry, 304H Stainless Steel Large Diameter Pipes For Pharmaceutical Industry, 304H Stainless Steel Large Diameter Pipes For Transport, Stainless Steel 304H Large Diameter Pipes For Real Estate, 304H Stainless Steel Large Diameter Pipes For Agriculture, 304H Stainless Steel Large Diameter Pipes For Factory, 304H Stainless Steel Large Diameter Pipes For Tertiary Sector, Stainless Steel 1.4948 Large Diameter Pipes For Construction, 304H Stainless Steel Large Diameter Pipes For Chemical Industry, 304H Stainless Steel Large Diameter Pipes For Electronics.

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