Products Description
S355JR, as a European standard low alloy high strength structural steel (EN10025), the "JR" in its quality grade marking represents room-temperature impact, with the specific temperature being 20°C, and the impact energy must meet the requirement of ≥27J.
The impact test temperature of S355JR is 20°C, which is the standard test condition stipulated in the European standard EN10025. The impact energy value is required to be no less than 27J.
The main difference between similar materials such as S355J0 (impact at 0°C) and S355J2 (impact at -20°C) lies in the impact temperature. The room-temperature impact characteristics of S355JR make it suitable for structural applications in general environments.
Impact tests are used to assess the toughness of materials at specific temperatures. The test conditions of 20°C reflect the material's resistance to brittle fracture in conventional environments, and are particularly suitable for fields such as construction and mechanical manufacturing.
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