S275JR High Strength Low Alloy HSLA Steel
S275JR high tensile steel belongs to the European standard low alloy high strength structural steel plate. The implementation standard of S275JR high strength alloy steel is: EN10025 special technical conditions.
S275JR high strength low alloy structural steel is delivered in the rolling state by default. For example, if the grade is displayed as: S275JR+N hsla steel plate, the delivery state is normalized rolling or normalizing.
S275JR high strength low alloy steel plate thickness flaw detection can be done: 1 detection, 2 detection, 3 detection; S275JRhsla structural steel thickness extension can be done: Z15, Z25, Z35.
S275JR low alloy steel plate is widely used in the field of machinery manufacturing. It is commonly used in various types of construction machinery and mining machinery to manufacture electric shovels, electric wheel dump trucks, excavators, loaders, coal mine hydraulic supports and other equipment and other structural parts.
S275JR hsla steel chemical composition:
| Thickness(mm) | C | Mn | P | S | N | Cu |
| T≤16 | 0.21 | 1.5 | 0.035 | 0.035 | 0.012 | 0.55 |
| 16<T≤40 | 0.21 | |||||
| 40<T | 0.22 |
S275JR low alloy steel mechanical properties:
| Grade | Minimum yield strength Reh | Tensile strength Rm | ||||||||||||
| MPa | MPa | |||||||||||||
| Nominal thickness | Nominal thickness | |||||||||||||
| mm | mm | |||||||||||||
| ≤16 | >16 | >40 | >63 | >80 | >100 | >150 | >200 | >250 | <3 | >3 | >100 | >150 | >250 | |
| ≤40 | ≤63 | ≤80 | ≤100 | ≤150 | ≤200 | ≤250 | ≤400 | ≤100 | ≤150 | ≤250 | ≤400 | |||
| S275JR | 275 | 265 | 255 | 245 | 235 | 225 | 215 | 205 | - | 430-580 | 410-560 | 400-540 | 380-540 | - |
high strength low alloy hsla steel
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