EN 10025-6 S500 series steel plates belong to the European standard low alloy high strength structural steel plates. S500 series steel plates include steel grades of S500Q, S500QL, S500QL1. EN 10025-6 high strength steel plates S500Q / S500QL / S500QL1 have good plasticity and cold bending properties and good machinability.
EN 10025-6 high strength steel plates: S500Q, S500QL, S500QL1 chemical composition of heat analysis:
| C | P | S | N | B | V | ||||||||||
| S500Q | 0.20 | 0.80 | 1.70 | 0.025 | 0.015 | 0.015 | 0.005 | 1.50 | 0.50 | 0.70 | 0.06 | 4.0 | 0.05 | 0.12 | 0.15 |
| S500QL, S500QL1 | 0.020 | 0.010 |
EN 10025-6 high strength steel plates: S500Q, S500QL, S500QL1 chemical composition of product analysis:
| C | P | S | N | B | V | ||||||||||
| S500Q | 0.22 | 0.86 | 1.8 | 0.03 | 0.017 | 0.016 | 0.006 | 1.6 | 0.55 | 0.74 | 0.07 | 4.1 | 0.07 | 0.14 | 0.17 |
| S500QL, S500QL1 | 0.025 | 0.012 |
EN 10025-6 high strength steel plates: S500Q, S500QL, S500QL1 mechanical properties - tensile test properties at room temperature:
| EN 10025-6 | Min. Yield Strength (MPa) | Min. |
||||||||
| >=3 <=50 | >50 <=100 | >100 <=125 | >125 <=200 | >=3 <=50 | >50 <=100 | >100 <=125 | >125 <=200 | |||
| S500Q | 1.8924 | 500 | 480 | 440 | 590 to 770 | 540 to 720 | 17 | |||
| S500QL | 1.8909 | |||||||||
| S500QL1 | 1.8984 | |||||||||
EN 10025-6 high strength steel plates: S500Q, S500QL, S500QL1 mechanical properties - impact energy on test pieces:
| EN 10025-6 | Min. impact energy (J) at test temperature (℃) | |||||||
| 0 | -20 | -40 | -60 | |||||
| S500Q | 40 | 30 | 30 | 27 | - | - | - | - |
| S500QL | 50 | 35 | 40 | 30 | 30 | 27 | - | - |
| S500QL1 | 60 | 40 | 50 | 35 | 40 | 30 | 30 | 27 |
The application of EN 10025-6 high strength steel plates S500Q, S500QL, S500QL1 includes construction machinery, mining machinery, coal mining machinery, such as hydraulic support, crane extension arm, excavator support arm, etc. They are mainly used in the manufacture of high welding performance hydraulic support, heavy vehicles, construction machinery and port machinery.
