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ERW Pipes are electric resistance Welded Pipes manufactured from strips and coils using the electric resistance welding process. ERW Pipes offer superior resistance and are suitable for marine and chemical applications. The manufacturing process of SS ERW Pipe is cost-effective compared to Seamless Pipe. The minimum size of SS ERW Pipe is 1/2 inch and the Maximum size is Up to 100 inches. ERW Pipes are strong, durable and it is easy to cut, bent and formed.
Kamal Steel offers a wide range of high-wuality products including ERW, EFW, and Welded Pipes that meet industry standards. Also provide SS Welded Pipe in Polished, Brushed, Pickled, and Passivated Finishes. Kamal Steel provide Product Certification and Test Reports as per ASTM and EN standards.
Stainless Steel ERW Tubes
SS 316 ERW Pipe
Welded stainless steel pipe
Kamal Steel is a Supplier of High performance Stainless Steel Welded Pipe in India and providing excellent quality and reliability. Stainless Steel Welded Pipe are Highly resistant to corrosion and also provides high strength and durability. It is Available in various sizes and grades.
Spiral Wound Stainless Steel Tube Price Comparison
| SANYO Special Steel | Schoeller Bleckmann (AUSTRIA ) | Sandvik | Nippon Steel & Sumitomo Metals (NSSMC) | DMV Stainless | Kobe Steel | Salzgitter Mannesmann Stainless Tubes | Tubacex (SPAIN) |
|---|---|---|---|---|---|---|---|
| USD/TON | USD/TON | USD/TON | USD/TON | USD/TON | USD/TON | USD/TON | USD/TON |
| 5290 to 7030 $ | 5830 to 7645 $ | 7080 to 9270 $ | 5290 to 7030 $ | 6425 to 8420 $ | 5290 to 7030 $ | 5830 to 7645 $ | 5830 to 7645 $ |
Stainless Steel ERW Pipe Specification
Stainless steel ERW pipe material grade
Stainless steel spiral pipe size
Stainless steel welded pipe dimensions
A312 welded pipe wall thickness
Welded stainless steel pipe type
Kamal steel specialized in SS EFW pipe
Stainless steel welded pipe standard
EFW stainless steel pipe schedules
Spiral wound stainless steel pipe form
Stainless steel welded round pipes end
Welded stainless steel pipe length
Large diameter SS welded pipe processing
In harsh conditions EFW Stainless Steel Pipe is appreciated for its great durability and corrosion resistance . In the EFW manufacturing process, they combine the benefits of Stainless Steel's qualities with the strength and reliability, to make them a good choice for demanding environments.
Stainless Steel ERW Tube Applications
Kamal Steel is a Leading supplier of ASTM A312 Welded Pipe are high-quality pipes used in various applications and its size ranges from 16 inches to 100 inches. It also offers a variety of finishes including polished, brushed, pickled, and passivated.
Conditions of A312 Welded Tubes
Types of SS ERW Pipe
SS ERW Pipe is known for its strength, durability, and corrosion resistance, these pipes are used in different industries like oil and gas, chemical processing, and construction. ERW pipes are available in various sizes as per ASTM standards. ASTM A312 standard covers welded and seamless austenitic SS Pipes and ASTM A213 standard specifies seamless ferritic and austenitic alloy steel tubes. Kamal Steels assured the lowest price without compromising on quality.
Refer below price table:
SS Welded Pipe Price List
| Nominal Bore | Outside Diameter | Rates | Schedule-5S | Price per Kg in USD | Schedule-40S | Price per Kg in USD | Schedule-10S | Price per Kg in USD | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | INCH | mm | Rs/Kg | Weight (Kg/mt) | Wt mm | USD / Kg | Weight (Kg/mt) | Wt mm | USD / Kg | Weight (Kg/mt) | Wt mm | USD / Kg |
| 20 | 3/4 | 26.7 | 270 | 1.03 | 1.65 | 3.28 | 1.68 | 2.87 | 3.28 | 1.28 | 2.11 | 3.28 |
| 6 | 1/4 | 13.7 | 300 | 0.390 | 1.24 | 3.64 | 0.631 | 2.24 | 3.64 | 0.49 | 1.65 | 3.64 |
| 10 | 3/8 | 17.1 | 300 | 0.490 | 1.24 | 3.64 | 0.845 | 2.31 | 3.64 | 0.63 | 1.65 | 3.64 |
| 3 | 1/8 | 10.3 | 350 | 0.276 | 1.24 | 4.25 | 0.37 | 1.73 | 4.25 | 0.28 | 1.24 | 4.25 |
| 50 | 2 | 60.3 | 270 | 2.40 | 1.65 | 3.28 | 5.44 | 3.91 | 3.28 | 3.93 | 2.77 | 3.28 |
| 25 | 1 | 33.4 | 260 | 1.30 | 1.65 | 3.15 | 2.50 | 3.38 | 3.15 | 2.09 | 2.77 | 3.15 |
| 32 | 1 1/4 | 42.2 | 260 | 1.65 | 1.65 | 3.15 | 3.38 | 3.56 | 3.15 | 2.70 | 2.77 | 3.15 |
| 200 | 8 | 219.1 | 300 | 14.79 | 2.77 | 3.64 | 42.6 | 8.18 | 3.64 | 19.96 | 3.76 | 3.64 |
| 15 | 1/2 | 21.3 | 300 | 0.800 | 1.65 | 3.64 | 1.27 | 2.77 | 3.64 | 1.00 | 2.11 | 3.64 |
| 40 | 1 1/2 | 48.3 | 270 | 1.91 | 1.65 | 3.28 | 4.05 | 3.68 | 3.28 | 3.11 | 2.77 | 3.28 |
| 80 | 3 | 88.9 | 270 | 4.51 | 2.11 | 3.28 | 11.30 | 5.49 | 3.28 | 6.45 | 3.05 | 3.28 |
| 65 | 2 1/2 | 73.0 | 270 | 3.69 | 2.11 | 3.28 | 8.63 | 5.16 | 3.28 | 5.26 | 3.05 | 3.28 |
| 100 | 4 | 114.3 | 270 | 5.84 | 2.11 | 3.28 | 16.07 | 6.02 | 3.28 | 8.36 | 3.05 | 3.28 |
| 150 | 6 | 168.3 | 290 | 11.32 | 2.77 | 3.52 | 28.3 | 7.11 | 3.52 | 13.84 | 3.40 | 3.52 |
Welded Stainless Steel Tube Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
|---|---|---|---|---|---|---|---|---|---|---|
| 304 | min. max. | - 0.08 | - 2.0 | - 0.75 | - 0.045 | - 0.030 | 18.0 20.0 | - | 8.0 10.5 | - 0.10 |
| 304L | min. max. | - 0.030 | - 2.0 | - 0.75 | - 0.045 | - 0.030 | 18.0 20.0 | - | 8.0 12.0 | - 0.10 |
| 304H | min. max. | 0.04 0.10 | - 2.0 | - 0.75 | -0.045 | - 0.030 | 18.0 20.0 | - | 8.0 10.5 | - |
EFW Stainless Steel Pipe Mechanical Properties
| Properties | Value |
|---|---|
| Element | SS 304 |
| Tensile Strength | Psi – 75000 , MPa – 515 |
| Yield Strength (0.2%Offset) | Psi – 30000 , MPa – 205 |
| Elongation | 35 % |
Kamal Steel is the largest manufacturer of SS Welded Pipe as per EN 10216-5 / 10217-7 standards. Stainless Steel Welded Pipe has superior quality and functionality. These pipes provide superior resistance to rust and high temperatures for used in high-pressure environments.
INOX Steel Welded Round Pipes Equivalent Material
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
|---|---|---|---|---|---|---|---|
| SS 304 | 1.4301 | S30400 | SUS 304 | 304S31 | 08Х18Н10 | Z7CN18‐09 | X5CrNi18-10 |
Physical Properties of Spiral Welded Stainless Steel Pipe
| Grade | Density (kg/m3) | Melting Point | Mean Coefficient of Thermal Expansion (μm/m/°C) | Thermal Conductivity (W/m.K) | Elastic Modulus (GPa) | Specific Heat 0-100°C (J/kg.K) | Electrical Resistivity (nΩ.m) | |||
|---|---|---|---|---|---|---|---|---|---|---|
| 0-100°C | 0-315°C | 0-538°C | at 100°C | at 500°C | ||||||
| 304/L/H | 8.0 g/cm3 | 1400 °C (2550 °F) | 17.2 | 17.8 | 18.4 | 16.2 | 21.5 | 193 | 500 | 720 |
Which Stainless Steel Welded Pipe have stronger welds?
Submerged Arc Welding (SAW) and Gas Tungsten Arc Welding (GTAW) process have stronger welds. And Stainless Steel Welded Pipe suitable for Oil and Gas, Chemical Processing, Pharmaceutical industry.
| Type of Stainless Steel Welded Pipe | Welding Method |
|---|---|
| ERW | Electric Resistance Welding |
| EFW | Electric Fusion Welding |
| SAW | Submerged Arc Welding |
| GTAW | Gas Tungsten Arc Welding |
| GMAW | Gas Metal Arc Welding |
| L-SAW | Longitudinal Submerged Arc Welding |
| TIG | Tungsten Inert Gas Welding |
Top 5 Stainless Steel ERW Pipe Manufacturers in India
The Top 5 Stainless Steel ERW Pipe Manufacturers in India are listed below:
| Company Name | Location | Manufacturing Size Range |
|---|---|---|
| Jindal Stainless | Hisar, Haryana | ½ inch to 48 inches |
| Ratnamani Metals & Tubes | Ahmedabad, Gujarat | ½ inch to 24 inches |
| Tata Steel | Jamshedpur, Jharkhand | ½ inch to 60 inches |
| Steel Authority of India Ltd. (SAIL) | New Delhi | ½ inch to 30 inches |
| ISMT Ltd. | Ahmednagar, Maharashtra | ½ inch to 24 inches |
Advantages and Uses of SS EFW Pipes
Stainless Steel EFW pipes have multiple advantages that make them very desirable in various industries.
| Advantages | Uses |
|---|---|
| Exceptional corrosion resistance | Oil and gas industry for pipelines |
| High strength-to-weight ratio | Chemical processing equipment |
| Ability to withstand high temperatures and pressures | Power generation applications |
| Smooth interior surfaces for better fluid flow | Food and beverage processing |
| Versatile in size and design | Pharmaceutical equipment |
| Durable and long-lasting | Marine applications |
| Reduced turbulence and energy loss | Construction and infrastructure |
How to calculate pressure rating of Stainless Steel ERW Pipe?
Steps to Calculate :
Difference between Stainless Steel ERW and EFW pipe
| Properties | Stainless Steel ERW Pipe | Stainless Steel EFW Pipe |
|---|---|---|
| Size Range (inches) | ½ to 24 | ½ to 100+ |
| Tensile Strength (MPa) | Approximately 310 | Approximately 550 |
| Pressure Rating (PSI) | Up to 1,500 | Up to 3,000+ |
| Temperature Resistance (°C) | Up to 300 | Up to 1,000+ |
| Weld Penetration Depth (mm) | 1-2 | 3-5 |
| Corrosion Resistance (% of Standard) | 85% | 95% |
| Manufacturing Cost ($/meter) | 30-50 | 50-80 |
| Typical Applications | Construction | Oil & Gas |
| Weld Quality (Grade) | Good | Superior |
| Forming Capability (Flexibility) | Moderate | Limited |
Before Install Stainless Steel Welded Tube, Which testing are mandatory?
Before installing stainless steel welded tubes, multiple mandatory tests should be performed to to make sure that industry standards are followed and safety is maintained.
Which liquid acids are suitable for 300 series Welded Pipe?
Here are some acids that are compatible:
In which industries are SS ERW Pipes most commonly used, and why?
SS ERW Pipes are commonly used in multipple industries because of their corrosion resistance, strength and durability.
In which Oil and Gas companies Kamal Steels supplied SS ERW Pipe?
Kamal Steels has supplied SS ERW pipes to multiple oil and gas companies, including:
| Company Name | Country |
|---|---|
| GAIL (Gas Authority of India Limited) | India |
| Saudi Aramco | Saudi Arabia |
| Abu Dhabi National Oil Company (ADNOC) | United Arab Emirates |
| Qatar Petroleum | Qatar |
| Oman Oil Company | Oman |