Esha Steel stands out as a top manufacturer and supplier of EN10305-1 / EN10305-4 Seamless Tubing, proudly catering to a variety of industrial sectors from its state-of-the-art facilities in Kolkata. Renowned for its precision-engineered tubular solutions, the company guarantees exceptional quality, durability, and performance in every product it offers. Esha Steel strictly follows international standards, providing tubing that perfectly meets the needs of hydraulic, automotive, engineering, and structural applications. With a strong focus on innovation, reliability, and timely delivery, Esha Steel is dedicated to fostering long-lasting relationships with clients throughout India, making it a go-to source for high-precision seamless tubing solutions.
The EN10305-1 / EN10305-4 Seamless Tubing is crafted from premium carbon steel, enriched with elements like carbon, manganese, and silicon to boost strength, formability, and dimensional accuracy. These tubes boast impressive mechanical properties, including high tensile strength, a superior surface finish, and precise tolerances. EN10305-1 features cold-drawn precision tubes ideal for mechanical and automotive applications, while EN10305-4 provides seamless hydraulic and pneumatic tubes designed for optimal pressure resistance. Their consistent structure, smooth internal surface, and robust fatigue resistance make them reliable choices for high-performance applications.
| Steel Name | Steel Number | C max. | Si max. | Mn max. | P max. | S max. | AL min. |
| E215 | 1.0212 | 0.10 | 0.05 | 0.7 | 0.025 | 0.025 | 0.025 |
| 1.0308 | 0.17 | 0.35 | 1.2 | 0.025 | 0.025 | / | |
| E355 | 1.058 | 0.22 | 0.55 | 1.6 | 0.025 | 0.025 | / |
| Mechanical properties at room temperature | |||||||||||||
| Steel Grade | Minimum values for the delivery condition | ||||||||||||
| Steel Name | Steel Number | +C | +LC | +SR | +A | +N | |||||||
| Rm Mpa | A % | Rm Mpa | A % | Rm Mpa | ReH Mpa | A % | Rm Mpa | A % | Rm Mpa | ReH Mpa | A % | ||
| E215 | 1.0212 | 430 | 8 | 380 | 12 | 380 | 280 | 16 | 280 | 30 | 290 to 430 | 25 | 30 |
| E235 | 1.0308 | 480 | 6 | 420 | 10 | 420 | 350 | 16 | 315 | 25 | 340 to 480 | 235 | 25 |
| E355 | 1.0580 | 640 | 4 | 580 | 7 | 580 | 450 | 10 | 450 | 22 | 490 to 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 EN10305-1 / EN10305-4 Seamless Tubing in Kolkata India. We offer 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. Committed 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 EN10305-1 / EN10305-4 Seamless Tubing needs!
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Hot rolled |
Outside Diameter, mm |
Tolerance, mm |
|
OD≤101.6 |
+0.4/-0.8 |
|
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101.6＜OD≤177.8 |
+0.4/-1.2 |
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|
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 |
EN10305-1 / EN10305-4 Seamless Tubing is extensively utilized across industries that demand precision, reliability, and high mechanical strength. EN10305-1 tubes are frequently found in automotive components, shock absorbers, steering systems, and precision machinery parts. On the other hand, EN10305-4 seamless tubes are crucial in hydraulic and pneumatic systems, serving in cylinders, pressure lines, and fluid-power assemblies due to their impressive pressure and fatigue resistance. These tubes also play a vital role in industrial equipment, fabrication projects, and structural frameworks that require accuracy and durability. Their smooth surface, tight tolerances, and strength make them perfect for a wide range of applications.
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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