Esha Steel, located in Kolkata, has earned a solid reputation as a manufacturer and supplier of top-notch Carbon Steel JIS G3445 Pipes. These pipes are well-regarded for their precision, durability, and outstanding performance. With a keen emphasis on engineering excellence, Esha Steel produces pipes that not only meet international standards but also thrive in demanding industrial settings. The company is committed to maintaining consistent quality through advanced manufacturing techniques, resulting in products that are known for their strength, reliability, and long-lasting service. Catering to industries like automotive, mechanical engineering, and structural applications, Esha Steel has established a strong reputation for delivering timely, efficient, and customer-focused pipe solutions throughout the country.
When it comes to composition, Carbon Steel JIS G3445 Pipes are primarily made up of carbon, manganese, silicon, sulfur, and phosphorus in carefully controlled proportions, which provide excellent strength and machinability. These pipes boast high tensile and yield strength, impressive hardness, and robust impact resistance, making them perfect for mechanical and structural applications. Their superior ductility and weldability make fabrication a breeze, while their stability under varying temperatures enhances overall performance. With reliable dimensional accuracy, durability, and resistance to deformation, JIS G3445 pipes are engineered to perform efficiently even in the toughest operating conditions.
| Standard | : | JIS G3445 |
| Description Name | : | STKM 11A Steel tube, STKM 12A steel tubes, STKM 12C steel tubes, STKM 13A steel tubes, STKM 13C steel tubes |
| Size | : | 6mm-340mm |
| Wall Thickness | : | 1mm-50mm |
| Shape | : | Round |
| Production Type | : | Cold drawn, cold rolled or hot rolled |
| Length | : | Single random length/ Double random length or as customer’s actual request max length is 10m |
| Grade | : | STKM 11A, STKM 12A, STKM 12C, STKM 12B, STKM 13A, STKM 13B, STKM 13C, STKM 15A, STKM 17A |
| C | Si | Mn | P | S |
| max  0.12 | max  0.35 | max  0.6 | max  0.04 | max  0.04 |
| Assortment | Yield point or Proof stress | Tensile strength | Elongation | Reduction of area | Charpy impact strength |
| – | N/mm 2 | N/mm 2 | % | % | J/cm 2 |
| Tubes | Â | 290 | 35 | Â | Â |
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 trusted manufacturer and supplier of high-quality Carbon Steel JIS G3445 Pipe products in Kolkata India. Specializing in premium steel materials, we offer a diverse range of products, including Carbon Steel, Alloy Steel, Mild Steel, and Galvanized Steel. Our extensive inventory features Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets, and Plates. With a strong commitment to timely delivery and exceptional customer service, Esha Steel ensures the supply of top-grade materials that deliver superior performance in various industrial applications. Trust Esha Steel for all your Carbon Steel JIS G3445 Pipe needs.
| Permissible Specified Outside Diameter and Specified Wall Thickness | ||
| Specified Outside Diameter D mm (in.) | Specified Wall Thickness t mm (in.) | |
| Special Light Sizes a | Regular Sizes | |
| ≥ 10.3 (0.405) to < 13.7 (0.540) | — | ≥ 1.7 (0.068) to ≤ 2.4 (0.094) |
| ≥ 13.7 (0.540) to < 17.1 (0.675) | — | ≥ 2.2 (0.088) to ≤ 3.0 (0.118) |
| ≥ 17.1 (0.675) to < 21.3 (0.840) | — | ≥ 2.3 (0.091) to ≤ 3.2 (0.125) |
| ≥ 21.3 (0.840) to < 26.7 (1.050) | — | ≥ 2.1 (0.083) to ≤ 7.5 (0.294) |
| ≥ 26.7 (1.050) to < 33.4 (1.315) | — | ≥ 2.1 (0.083) to ≤ 7.8 (0.308) |
| ≥ 33.4 (1.315) to < 48.3 (1.900) | — | ≥ 2.1 (0.083) to ≤ 10.0 (0.394) |
| ≥ 48.3 (1.900) to < 60.3 (2.375) | — | ≥ 2.1 (0.083) to ≤ 12.5 (0.492) |
| ≥ 60.3 (2.375) to < 73.0 (2.875) | ≥ 2.1 (0.083) to ≤ 3.6 (0.141) | > 3.6 (0.141) to ≤ 14.2 (0.559) |
| ≥ 73.0 (2.875) to < 88.9 (3.500) | ≥ 2.1 (0.083) to ≤ 3.6 (0.141) | > 3.6 (0.141) to ≤ 20.0 (0.787) |
| ≥ 88.9 (3.500) to < 101.6 (4.000) | ≥ 2.1 (0.083) to ≤ 4.0 (0.156) | > 4.0 (0.156) to ≤ 22.0 (0.866) |
| ≥ 101.6 (4.000) to < 168.3 (6.625) | ≥ 2.1 (0.083) to ≤ 4.0 (0.156) | > 4.0 (0.156) to ≤ 25.0 (0.984) |
| ≥ 168.3 (6.625) to < 219.1 (8.625) | ≥ 2.1 (0.083) to ≤ 4.0 (0.156) | > 4.0 (0.156) to ≤ 40.0 (1.575) |
| ≥ 219.1 (8.625) to < 273.1 (10.750) | ≥ 3.2 (0.125) to ≤ 4.0 (0.156) | > 4.0 (0.156) to ≤ 40.0 (1.575) |
| ≥ 273.1 (10.750) to < 323.9 (12.750) | ≥ 3.6 (0.141) to ≤ 5.2 (0.203) | > 5.2 (0.203) to ≤ 45.0 (1.771) |
| ≥ 323.9 (12.750) to < 355.6 (14.000) | ≥ 4.0 (0.156) to ≤ 5.6 (0.219) | > 5.6 (0.219) to ≤ 45.0 (1.771) |
| ≥ 355.6 (14.000) to < 457 (18.000) | ≥ 4.5 (0.177) to ≤ 7.1 (0.281) | > 7.1 (0.281) to ≤ 45.0 (1.771) |
| ≥ 457 (18.000) to < 559 (22.000) | ≥ 4.8 (0.188) to ≤ 7.1 (0.281) | > 7.1 (0.281) to ≤ 45.0 (1.771) |
| ≥ 559 (22.000) to < 711 (28.000) | ≥ 5.6 (0.219) to ≤ 7.1 (0.281) | > 7.1 (0.281) to ≤ 45.0 (1.771) |
| ≥ 711 (28.000) to < 864 (34.000) | ≥ 5.6 (0.219) to ≤ 7.1 (0.281) | > 7.1 (0.281) to ≤ 52.0 (2.050) |
| ≥ 864 (34.000) to < 965 (38.000) | — | ≥ 5.6 (0.219) to ≤ 52.0 (2.050) |
| ≥ 965 (38.000) to < 1422 (56.000) | — | ≥ 6.4 (0.250) to ≤ 52.0 (2.050) |
| ≥ 1422 (56.000) to < 1829 (72.000) | — | ≥ 9.5 (0.375) to ≤ 52.0 (2.050) |
| ≥ 1829 (72.000) to < 2134 (84.000) | — | ≥ 10.3 (0.406) to ≤ 52.0 (2.050) |
These pipes are widely utilized in automotive components, mechanical parts, and machinery manufacturing due to their remarkable strength and workability. They are particularly well-suited for creating drive shafts, axles, suspension parts, and precision mechanical tubes. Additionally, JIS G3445 pipes find their place in industrial equipment, furniture frameworks, agricultural machinery, and structural applications where reliability and durability are paramount. Their ability to endure stress, pressure, and vibration makes them ideal for a variety of high-performance engineering applications. With their versatility and robust mechanical properties, JIS G3445 pipes are a trusted choice across many industries.
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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