EN 10137-2 steel grade specification is a high yield strength structural steels in the quenched and tempered condition steel plate grade in S550Q, S550QL, S550QL1, S500Q, S890QL1, S960Q, S960QL, S620Q, S620QL, S690Q, S690QL, S690QL1, S890Q and S890QL steel plate grade.
| According EN 10137-2:1995 | Comparison of steel grades | ||||
| EU 137 (1983) | Germany | France | Sweden | ||
| S620Q | 1.89 | - | StE 690 V | - | 2624 |
| S620QL | 1.89 | FeE690V KT | TStE 690 V | E 690T | 2625 |
| S620QL1 | 1.9 | - | EStE 690 V | - | |
| Chemical elements | C | Si | Mn | P | S | N | B | Cr | Cu | Mo | Nb | Ni | Ti | V | Zr |
| max | max | max | max. | max. | max. | max. | max | max | max | max | max | max | Max | max | |
| %,by mass | 0,22 | 0,86 | 1,80 | 0,030 | 0,017 | 0,016 | 0,006 | 1,60 | 0,55 | 0,74 | 0,07 | 2,1 | 0,07 | 0,14 | 0,17 |
| L | 0,025 | 0,012 | |||||||||||||
| L1 | 0,025 | 0,012 |
| thickness | Yield Strength ReH | Tensile Strength Rm [N/mm2] transv. | Fracture Elongation[%]transv. min. | Minimum values of impact energy in J at test temperatures, in ºC | |||
| [N/mm2] | |||||||
| transv.min. | |||||||
| t> 3 mm | 690 | 0 | -20 | -40 | -60 | ||
| t≤ 50 mm | 770 to 940 | ||||||
| 14 | |||||||
| t> 50 mm | 650 | 760to 930 | 40 | 30 | - | - | |
| t≤ 100 mm | 50 | 40 | 30 | - | |||
| t> 100 mm | 630 | 710 to 900 | 60 | 50 | 40 | - | |
| t≤ 150 mm | |||||||
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