How does the welding process affect the properties and performance of stainless steel 304 / 304L welded pipes?

The welding process is crucial in determining the properties and performance of stainless steel 304/304L welded pipes. During welding, the localized heating and subsequent cooling can introduce changes in the material's microstructure, influencing its mechanical and corrosion-resistant properties. One of the primary concerns is the formation of carbide precipitation, which can occur in the heat-affected zone during welding. This phenomenon, known as sensitization, can reduce the resistance of stainless steel to intergranular corrosion.

This, low carbon versions like 304L are often preferred for welding applications as they exhibit improved resistance to sensitization. The welding process can also introduce residual stresses in the welded pipes, which affect their dimensional stability and potentially lead to distortion or cracking. Proper welding techniques and post-weld heat treatment can help alleviate these issues and ensure that the welded pipes maintain their desired properties and performance.

Table Of Content

Stainless Steel 304 Welded Pipe, Stainless Steel 304L Welded Pipe, 304 Stainless Steel Welded Pipe, 304L Stainless Steel Welded Pipe, 304 Stainless Steel Welded Piping, SS 304 Welded Pipe, SS 304L Welded Pipe, Stainless Steel TP304 Welded Pipe, Stainless Steel 304 Welded Pipe Supplier In Mumbai, India.

What are the typical applications for stainless steel 304 / 304L welded pipes?

Stainless steel 304 welded pipes find extensive use in a wide range of applications due to their favourable combination of properties. One key application area is the construction industry, where they are employed for various structural purposes such as handrails, architectural elements, and supports. Their corrosion resistance, durability, and aesthetic appeal make them an ideal choice for these applications. Additionally, stainless steel 304 welded pipes are commonly utilized in the food and beverage industry to transport fluids and gases.

Stainless steel 304L welded pipes are widely used in various industries and applications due to their advantageous properties. One prominent area where they find application is in the pharmaceutical and biotechnology sectors. The high corrosion resistance of 304L stainless steel makes it suitable for transporting and processing pharmaceutical products, chemicals, and sensitive substances, ensuring the integrity and purity of the conveyed materials. Another significant application for 304L welded pipes is in the food processing industry, where hygiene and cleanliness are paramount. These pipes are commonly employed for the transportation of food and beverages, as they meet the stringent requirements for sanitary applications and prevent contamination.

Specification Of 304 Stainless Steel Welded Pipe

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

Jindal SS 304 Welded Pipe Price List, SS 304 Welded Pipe Price Per Kg, 304 Stainless Steel Welded Piping Near Me, 304 Stainless Steel Welded Pipe Dimensions, Stainless Steel 304 Welded Pipe Stockist In Mumbai.

Types Of Stainless Steel 304 Welded Pipes

Stainless Steel 304 Welded Round Pipe

304 Stainless Steel Welded Round Pipe

SS 304L Welded Round Pipe, Stainless Steel 304 Welded Round Pipe Supplier, Stainless Steel 304 Welded Round Pipe Stockist.

Stainless Steel 304 Welded Square Pipe

304 Stainless Steel Welded Square Pipe

SS 304 Welded Square Pipe, Stainless Steel 304 Welded Square Pipe Supplier, Stainless Steel 304L Welded Square Pipe Stockist.

Stainless Steel 304 Welded Rectangular Pipe

304 Stainless Steel Welded Rectangular Pipe

SS 304 Welded Rectangular Pipe, Stainless Steel 304L Welded Rectangle Pipe Supplier, Stainless Steel 304 Welded Rectangular Pipe Stockist.

Stainless Steel 304 Welded Polished Pipe

304 Stainless Steel Welded Polished Pipe

SS 304 Welded Polished Pipe, Stainless Steel 304L Welded Polished Pipe Supplier, Stainless Steel 304 Welded Polished Pipe Stockist.

Widest Range of 304-304L Stainless Steel Welded Pipes in Mumbai, India.

  • Widest RangeSchedule 160 Stainless Steel 304 Welded Pipe
  • Widest RangeSchedule 10 Stainless Steel 304 Welded Pipe
  • Widest RangeSchedule 40 Stainless Steel 304 Welded Pipe
  • Widest RangeStainless Steel 304 Continuous Welded Pipe
  • Widest RangeSchedule XS Stainless Steel 304 Welded Pipe
  • Widest RangeSchedule 80 Stainless Steel 304 Welded Pipe
  • Widest RangeSchedule XXS Stainless Steel 304 Welded Pipe
  • Widest Range304 Stainless Steel Laser Welded Pipe
  • Widest Range304 SS Electric Fusion Welding Pipe
  • Widest RangeSchedule 5 Stainless Steel 304 Welded Pipe
  • Widest RangeASTM A312 Stainless Steel 304L Welded Pipe
  • Widest Range304 Stainless Steel EFW Pipe
  • Widest RangeASME SA312 Stainless Steel 304L Welded Pipe
  • Widest RangeASTM A312 Stainless Steel 304 Welded Pipe
  • Widest RangeSS 304 Longitudinal Submerged Arc Welding (LSAW) Pipe
  • Widest Range304 Stainless Steel Electrical Resistance Welding Pipe
  • Widest Range304 Stainless Steel ERW Pipe
  • Widest RangeStainless Steel 304L Round Welded Pipe
  • Widest RangeStainless Steel 304 Spiral Welded Pipe
  • Widest RangeASME SA312 Stainless Steel 304 Welded Pipe

Check Stainless Steel 304/304L Pipes Types In Detail

304 Stainless Steel Welded Pipes Equivalent Grades

STANDARD WERKSTOFF NR. UNS JIS BS GOST AFNOR EN
SS 304 1.4301 S30400 SUS 304 304S31 08Х18Н10 Z7CN18‐09 X5CrNi18-10
SS 304L 1.4306 / 1.4307 S30403 SUS 304L 3304S11 03Х18Н11 Z3CN18‐10 X2CrNi18-9 / X2CrNi19-11

304 Stainless Steel Welded Pipe Sizes, 304L Stainless Steel Welded Pipe Dimensions, Jindal 304 Stainless Steel Welded Pipe, Stainless Steel 304 Welded Pipe Exporter In India

304 Stainless Steel Welded Pipes Price

Product Price
SS 1.4306 Square Welded Pipe Price List US $ 20 - 36 / kg
Custom Size 4 Inch SS 1.4301 Welded Pipes Price US $ 1200 - 13000 / Ton
S30400 Stainless Steel Welded Pipe Price US $ 999 - 3200 / Ton
Austenitic Stainless Steel 304 Welded Pipe Price Per KG $1082.00 - $2400.00/ Ton
304 SS Welded Pipe Price List $750 - 1400/ Ton
Schedule 10 Stainless Steel 304L Welded Pipes Price $1,082.00 - $2,999.00/ Ton
Stainless Steel S30403 Welded Pipe Price US $ 1000 - 2300 / Ton
20mm Diameter Polished Stainless Steel 304L Welded Pipes Price $698.00 - $1,580.00/ Ton
ASTM A312 SCH 5S Plain End Stainless Steel 304 Welded Pipe Price List $500.00 - $1,600.00/ Ton

For Quatation & Questions Related To Stainless Steel 304 Welded Pipes

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Stainless Steel 304 Welded Pipe Manufacturing Process

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

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Chemical Composition Of Stainless Steel 304L Welded Pipe

Grade C Mn Si P S Cr Mo Ni N
SS 304 0.08 max 2 max 0.75 max 0.045 max 0.030 max 18 – 20 8 – 11
SS 304L 0.035 max 2 max 1.0 max 0.045 max 0.030 max 18 – 20 8 – 13

Mechanical Properties Of 304 Stainless Steel Welded Piping

Grades Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
SS 304 8.0 g/cm3 1400 °C (2550 °F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 35 %
SS 304L 8.0 g/cm3 1400 °C (2550 °F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 35 %

Testing & Inspection of 304 Stainless Steel Welded 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 304L Welded 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 304 And 304L Welded Pipes

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

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

Documents Provided at the time of Domestic Sales or Export of 304 Stainless Steel Welded Pipes

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

Application Industries We Supply Stainless Steel 304 Welded Pipes

Stainless Steel 1.4307 Welded Pipes For Waste, UNS S30400 Welded Pipes For Mining, 304 Stainless Steel Welded Pipes For Energy, 304L Stainless Steel Welded Pipes For Pharmaceutical Industry, 304 Stainless Steel Welded Pipes For Transport, Stainless Steel 304L Welded Pipes For Real Estate, 304L Stainless Steel Welded Pipes For Tertiary Sector, Stainless Steel 1.4301 Welded Pipes For Construction, 304 Stainless Steel Welded Pipes For Chemical Industry, 304 Stainless Steel Welded Pipes For Electronics, 304 SS Welded Pipes For Health care, 304 Stainless Steel Welded Pipes For Pulp and Paper Industry, 304L Stainless Steel Welded Pipes For Rail Transport, Stainless Steel 1.4306 Welded Pipes For Textile Industry, UNS S30403 Welded Pipes For Engineering, 304 Stainless Steel Welded Pipes For Manufacturing, 304L Stainless Steel Welded Pipes For Production, Stainless Steel 304 Welded Pipes For Technology, 304 Stainless Steel Welded Pipes For Agriculture, 304 Stainless Steel Welded Pipes For Factory, 304 Stainless Steel Welded Pipes For Food Industry.

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