EN10294-1 Grade E355+N Carbon Steel Seamless Tube For Automobile Sectors
Gadewch neges
EN10294-1 Grade E355+N carbon steel seamless tubes for automobile sectors feature a minimum yield strength of 355 MPa and tensile strength of 490-630 MPa, with elongation of 21% minimum, ensuring high structural integrity under automotive load conditions;manufactured to EN10294-1 standard specifications, these tubes have an outer diameter range of 10.2mm to 177.8mm and wall thickness from 1.0mm to 12.0mm, with a typical carbon content of 0.12-0.21% and manganese content of 1.00-1.60% to balance strength and weldability, meeting the demanding requirements of automotive chassis, suspension, and steering system applications.
| E355+N Black Phosphated Steel Tube with High Precision | |
| DIN2391-94/C, EN10305-1, EN10305-4, SAE J524, GB/T3639-2009 | |
| St35, St37.4, St45, St52.4, E235, E255, E355 | |
| OD:3-76mm, wall thickness: 0.5-6mm | |
| 4m,6m or customized | |
| NBK(+N), BK(+C), GBK(+A), BKW(+LC), BKS(+SR) | |
| Steel Gr. | Steel No. | ||||||
| St35, St37.4(E235) | 1.0305 | 0.17 | 0.35 | >=0.40 | 0.025 | 0.025 | 0.015 |
| St45(E255) | 1.0408 | 0.21 | 0.35 | >=0.40 | 0.025 | 0.025 | 0.015 |
| St52, St52.4(E355) | 1.0508 | 0.22 | 0.55 | <=1.60 | 0.025 | 0.025 | 0.02 |
| Steel Gr. | |||||||||||||
| No. | A | A | A | A | A | ||||||||
| % | % | % | % | % | |||||||||
| St35(E235) | 1.0305 | 480 | 6 | 420 | 10 | 420 | 315 | 14 | 315 | 25 | 340-470 | 235 | 25 |
| St45(E255) | 1.0408 | 580 | 5 | 520 | 8 | 520 | 375 | 12 | 390 | 21 | 440-570 | 255 | 21 |
| St52(E355) | 1.0508 | 640 | 4 | 580 | 7 | 580 | 420 | 10 | 490 | 22 | 490-630 | 355 | 22 |
EN 10294-1 Grade E355+N Hollow Bars are used mainly for automobile sectors, interior & exterior architectural structures, water pipe lines, Gas lines, Oil & Gas industries etc.
EN 10305-1 Delivery Condition
| Cold-finished/hard | +C | |
| Cold-finished/soft | +LC | After the final heat treatment there is a suitable drawing pass. |
| +SR | After the final cold-forming process there is Stress relief heat treatment in a controlled atmosphere. | |
| +A | After the final cold drawing process the tubes are annealed in a controlled atmosphere. | |
| +N |
After the final cold drawing process the tubes are Normalized in a controlled atmosphere. |
GNEE has 10 hot-rolled seamless steel pipe production lines and 5 cold-drawn seamless steel pipe production lines. They are capable of producing seamless pipes in a wide range of specifications and materials. Their products are widely used in the petroleum, power, chemical, coal, and machinery industries.
Our products are sold to hundreds of large and medium-sized cities in China and exported to countries such as India, Thailand, Vietnam, Iran, Turkey, Brazil, and Egypt. The company has obtained ISO9001 quality management system certification, API-5CT and API-5L certifications from the American Petroleum Institute, a special equipment production license, and BV certification, among other third-party certifications.
