Q550E high strength low alloy
Q550E low alloy steel sheet is a kind of high strength structural steel sheet, belongs to hot rolled interleaved hybrid high strength steel.
The main feature of Q550E high strength steel plate is that it has high yield strength and tensile strength, above 500MPa; it also has good toughness and impact capacity.
Q550E high tensile steel plate is widely used in construction, bridges, ships, machinery manufacturing and other fields, especially suitable for projects that need to withstand large loads and require high seismic performance.
high tensile steel plate Chemical Composition
| C% max | Si% max | Mn% max | P% max | S% max | Cu% max | Cr% max | Ni% max | Mo % max | B % max | V % max | Nb% max | Ti % max |
| 0.2 | 0.80 | 1.7 | 0.025 | 0.015 | 0.5 | 1.5 | 2 | 0.70 | 0.005 | 0.12 | 0.06 | 0.05 |
high strength steel sheet mechanical property
| Re yield strength Mpa min | Re yield strength Mpa min | elongation% min | Energy and temperature | |||||||||
| 0 | -20 | -40 | -60 | |||||||||
| t≤50 | 50-100 | 100-150 | t≤50 | 50-100 | 100-150 | 16 | J | J | J | J | ||
| 550 | 530 | 490 | 640-820 | 640-820 | 590-770 | 47 | 47 | 34 | 34 | |||
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