304H Stainless Steel Welded Round Pipe
SS 304H Welded Round Pipe, Stainless Steel 304H Welded Round Pipe Supplier, Stainless Steel 304H Welded Round Pipe Stockist.
What is stainless steel 304H welded pipe, and what are its key features?
Stainless steel 304H welded pipe is a type of pipe made from stainless steel grade 304H, which is a high-carbon variant of the popular 304 stainless steel. It is created by welding together individual sections of stainless steel, resulting in a seamless and durable pipe for various industrial applications. The key features of Stainless Steel 304H Welded Pipe include its excellent corrosion resistance, even in harsh environments, due to the presence of chromium and nickel.
The high carbon content in 304H provides improved high-temperature strength and resistance to sensitization during welding, making it suitable for applications with elevated temperatures. The welded construction ensures structural integrity, allowing the pipe to withstand high pressure and mechanical stress. With its versatility, durability, and resistance to corrosion and high temperatures, stainless steel 304H welded pipe is widely utilized in industries such as oil and gas, chemical processing, food and beverage, and construction.
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What are the common applications of stainless steel 304H welded pipe?
Stainless steel 304H welded pipe finds common applications across various industries. Its versatility and superior properties make it suitable for various uses. Some common applications include piping systems for oil and gas exploration and production, petrochemical processing, chemical plants, and refineries. It is also employed in the pharmaceutical industry, food and beverage processing, and transportation of corrosive fluids.
Additionally, stainless steel 304H welded pipe is utilized in heat exchangers, boiler tubes, power generation plants, and architectural structures where corrosion resistance and high-temperature strength are crucial. Its ability to withstand demanding environments makes it a preferred choice in many industrial sectors, ensuring reliable and efficient performance in diverse applications.
How does stainless steel 304H welded pipe differ from other grades of stainless steel pipes?
Stainless Steel 304H Welded Pipe differs from other grades of stainless steel pipes in its carbon content and subsequent properties. While the standard grade 304 stainless steel contains a lower carbon content, stainless steel 304H is a high-carbon variant specifically designed for high-temperature applications. The high carbon content provides improved strength and high-temperature resistance, reducing the risk of sensitization during welding and ensuring long-term durability.
Welded Pipe Standard | ASTM A312 ASME SA312 / ASTM A358 ASME SA358 |
Welded Pipe Dimension | ANSI/ASME B36.19M, ANSI/ASME B36.10M |
Welded Pipe Sizes | 1 / 2" NB - 24" NB |
Welded Pipe Outside Diameter | 6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB available Ex-stock, OD Size Steel Tubes available Ex-stock |
Steel Welded Pipe Manufacturing Process | Welded / ERW / Fabricated / CDW / 100% X Ray Welded |
Stainless Steel Welded Pipe Shapes | Round, Rectangle, Square etc. |
Stainless Steel Welded Pipe Schedule | SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
Welded 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 |
SS 304H Welded Round Pipe, Stainless Steel 304H Welded Round Pipe Supplier, Stainless Steel 304H Welded Round Pipe Stockist.
SS 304H Welded Square Pipe, Stainless Steel 304H Welded Square Pipe Supplier, Stainless Steel 304H Welded Square Pipe Stockist.
SS 304H Welded Rectangular Pipe, Stainless Steel 304H Welded Rectangle Pipe Supplier, Stainless Steel 304H Welded Rectangular Pipe Stockist.
SS 304H Welded Polished Pipe, Stainless Steel 304H Welded Polished Pipe Supplier, Stainless Steel 304H Welded Polished Pipe Stockist.
STANDARD | WERKSTOFF NR. | UNS |
SS 304H | 1.4948 | S30409 |
Product | Price |
Austenitic Stainless Steel 304H Welded Pipe Price Per KG | $1080.00 - $2400.00/ Ton |
304H SS Welded Pipe Price List | $760 - 1400/ Ton |
SS 1.4306 Square Welded Pipe Price List | US $ 22 - 36 / kg |
ASTM A312 SCH 5S Plain End Stainless Steel 304H Welded Pipe Price List | $570.00 - $1,600.00/ Ton |
Custom Size 4 Inch SS 1.4301 Welded Pipes Price | US $ 1290 - 13000 / Ton |
S30409 Stainless Steel Welded Pipe Price | US $ 990 - 3200 / Ton |
Schedule 10 Stainless Steel 304H Welded Pipes Price | $1,580.00 - $2,999.00/ Ton |
Stainless Steel S30409 Welded Pipe Price | US $ 1200 - 2300 / Ton |
20mm Diameter Polished Stainless Steel 304H Welded Pipes Price | $604.00 - $1,580.00/ Ton |
Avoid those problems that occur with low-quality stainless steel 304H welded pipes by getting high-quality stainless steel 304H welded 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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Electric Resistance Welding (ERW) Process
Pipe is created using the Electric Resistance Welding (ERW)
process by cold-forming a flat steel sheet into a cylindrical
shape. The steel is then heated to a degree at which the edges
of the steel cylinder are pressed together to establish a bond
without the use of welding filler material.
Several Electric Resistance Welding (ERW) processes are
available for pipe production. The two main types of ERW are:
. High Frequency Welding
. Rotary Contact Wheel Welding.
High Frequency Welding
In high frequency induction welding, a work coil is placed in front of the weld spot and acts as a conduit for the weld current to reach the material. Work coil does not come into contact with pipe. Through the magnetic fields that surround the pipe, an electrical current is induced into the pipe's substance. When changing pipe size, high frequency induction welding avoids contact marks and requires less setup time.
Rotary Contact Wheel Welding
The electrical current is passed through a contact wheel at the weld spot in rotary contact wheel welding. A portion of the forge pressure required for the welding process is also applied by the contact wheel. AC, DC, and square wave are the three primary types of rotary contact wheel welders. Electrical current is transferred in all three power supplies by brush assemblies that interact with slip rings attached to a revolving shaft that holds the contact wheels. The current is sent to the strip edges through these contact wheels.
Submerged Arc Welding (SAW) Process
A constantly fed bare wire electrode and the workpiece form an
arc during the submerged arc welding (SAW) process. To produce
protective gases, slag, and to add alloying components to the
weld pool, the procedure requires a flux. Using a shielding gas
is not necessary. Excess flux is recycled via a hopper as the
arc advances along the joint line. After welding, any remaining
layers of fused slag are simple to remove. The arc is generally
invisible during welding because the flux layer totally covers
it, and heat loss is also very minimal. In contrast to the
manual metal arc's 25% thermal efficiency, this one can reach
60%.
There are two types of Submerged Arc Welding (SAW) processes:
. Longitudinal Submerged Arc Welding (LSAW) Process
. Spiral Submerged Arc Welding (SSAW) Process
Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
SS 304H | 0.10 max | 2.0 max | 0.75 max | 0.045 max | 0.03 max | 18 – 20 | - | 8 – 10.5 | - |
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 % |
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 |
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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Certificate of Origin | Raw Material Test Reports |
Commercial Invoice | Heat Treatment Charts |
Packing List | Quality Assurance Plan (QAP) |
Fumigation Certificates | NABL approved Laboratory Test Reports |
Letter of Guarantee | Material Test Certificates |
ROHS Certificate | Certificate of Compliance/Conformity |
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