Esha Steel stands out as a reliable manufacturer and supplier based in Kolkata, specializing in top-notch EN 10305-2 / EN 10305-3 ERW Tubing tailored for precision applications across the automotive, mechanical, and structural sectors. Crafted with cutting-edge electric resistance welding (ERW) technology, these tubes boast remarkable dimensional accuracy, a smooth surface finish, and consistent quality. Esha Steel is committed to ensuring that each tube adheres to stringent European standards, guaranteeing dependable performance in high-precision assemblies. Renowned for their exceptional strength, formability, and weldability, EN 10305 ERW Tubing from Esha Steel is extensively utilized in engineering components, machinery parts, hydraulic systems, and automotive structures that demand reliable and precise tubing solutions.
EN 10305-2 / EN 10305-3 ERW Tubing is crafted from low-carbon steel with carefully controlled levels of carbon, manganese, silicon, phosphorus, and sulfur. These tubes deliver impressive yield and tensile strength, good elongation, and dependable toughness. EN 10305-2 is dedicated to precision cold-drawn tubes, while EN 10305-3 pertains to welded cold-sized tubes. Both types showcase outstanding dimensional accuracy, smooth surfaces, and robust weld integrity. The tubes excel in formability, machinability, and perform well under moderate pressure and mechanical stress, making them ideal for precision engineering applications.
| Steel Name | Steel Number | C max, % max. | Si max, % max. | Mn max, % max. | P max, % max. | S max, % max. |
| E155 | 1.0033 | 0,11 | 0.35 | 0.70 | 0.025 | 0.025 |
| E195 | 1.0034 | 0,15 | 0.35 | 0.70 | 0.025 | 0.025 |
| E235 | 1.0308 | 0,17 | 0.35 | 1.20 | 0.025 | 0.025 |
| E275 | 1.0225 | 0,21 | 0.35 | 1.40 | 0.025 | 0.025 |
| E355 | 1.0580 | 0,22 | 0.55 | 1.60 | 0.025 | 0.025 |
| Steel Name | Steel Grade | Cold Drawn / Hard | Cold Drawn / Soft | Cold Drawn & stress relieved | Annealed | Normalised | |||||||
| Rm, Mpa (N/mm2) |
A, % |
Rm, Mpa (N/mm2) |
A, % |
Rm, Mpa (N/mm2) | ReH, MPa (N/mm2) |
A, % |
Rm, Mpa (N/mm2) | A, % | Rm, Mpa (N/mm2) | ReH, MPa (N/mm2) |
A, % |
||
|
E155 |
1.0033 |
400 |
6 |
350 |
10 |
350 |
245 |
18 |
260 |
28 |
270 – 410 |
155 |
28 |
|
E195 |
1.0034 |
420 |
6 |
370 |
10 |
370 |
260 |
18 |
290 |
28 | 300 – 440 |
195 |
28 |
|
E235 |
1.0308 |
490 |
6 |
440 |
10 |
440 |
325 |
14 |
315 |
25 | 340 – 480 |
235 |
25 |
|
E275 |
1.0225 |
560 |
5 |
510 |
8 |
510 |
375 |
12 |
390 |
21 |
410 – 550 |
275 |
21 |
|
E355 |
1.0580 |
640 |
4 |
590 |
6 |
590 |
435 |
10 |
450 |
22 | 490 – 630 |
355 |
22 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Esha Steel is a leading manufacturer and distributor of high-quality EN10305-2 / EN10305-3 ERW Tubing in Kolkata India. We provide premium steel materials and a diverse range of products, including Alloy Steel, Carbon Steel, Mild Steel, and Galvanized Steel. Our extensive inventory features Tubes, Pipes, Flanges, Pipe Fittings, Forged Fittings, Sheets, and Plates. Dedicated to fast delivery and exceptional customer service, we source top-grade raw materials to ensure superior precision, strength, and durability for demanding industrial applications. Contact us today for all your EN10305-2 / EN10305-3 ERW Tubing needs!
|
Hot rolled |
Outside Diameter, mm |
Tolerance, mm |
|
OD≤101.6 |
+0.4/-0.8 |
|
|
101.6＜OD≤177.8 |
+0.4/-1.2 |
|
|
Cold Drawn |
Outside Diameter, mm |
Tolerance, mm |
|
OD＜25.4 |
±0.10 |
|
|
25.4≤OD≤38.1 |
±0.15 |
|
|
38.1＜OD＜50.8 |
±0.20 |
|
|
50.8≤OD＜63.5 |
±0.25 |
|
|
63.5≤OD＜76.2 |
±0.30 |
|
|
76.2≤OD≤101.6 |
±0.38 |
|
|
101.6＜OD≤177.8 |
+0.38/-0.64 |
|
|
Hot rolled
|
Outside Diameter, mm |
Tolerance, % |
|
OD≤101.6, WT≤2.4 |
+40/-0 |
|
|
OD≤101.6, 2.4＜WT≤3.8 |
+35/-0 |
|
|
OD≤101.6, 3.8＜WT≤4.6 |
+33/-0 |
|
|
OD≤101.6, WT>4.6 |
+28/-0 |
|
|
OD>101.6, 2.4＜WT≤3.8 |
+35/-0 |
|
|
OD>101.6, 3.8＜WT≤4.6 |
+33/-0 |
|
|
OD>101.6, WT>4.6 |
+28/-0 |
|
|
Cold Drawn
|
Outside Diameter, mm |
Tolerance, % |
|
OD≤38.1 |
+20/-0 |
|
|
OD>38.1 |
+22/-0 |
EN 10305-2 / EN 10305-3 ERW Tubing is a go-to choice in various industries that demand precision-engineered tubing with consistent dimensions and top-notch mechanical performance. The automotive sector relies on these tubes for applications like shock absorbers, steering systems, chassis components, and structural reinforcements. In the realm of mechanical engineering, they find their place in machinery parts, hydraulic cylinders, shafts, and precision sleeves. The fabrication and construction industries also make good use of them for frames, supports, furniture structures, and lightweight mechanical assemblies. Thanks to their precise sizing, excellent formability, and dependable weld quality, these tubes are perfect for high-precision, load-bearing, and dynamic applications in today’s engineering landscape. They boast superior dimensional accuracy, smooth surfaces, and robust weld integrity, along with great formability and machinability. Plus, they perform well under moderate pressure and mechanical stress, making them ideal for precision engineering tasks.
Esha Steel is a leading manufacturer, supplier and exporter of high-quality Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel products. Our extensive product range includes Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates, catering to various industries in Kolkata India.
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