Q550E High Tensile Steel Plate
Q550E belongs to low alloy high-strength structural steel plate, yield strength greater than or equal to 550MPa, Q is the yield strength initials, 550 indicates the lower limit of the yield strength of the steel plate, D, E is the quality level of the steel plate, Q550D, Q550E steel plate is not only with high yield strength and toughness, at the same time, it is easy to cut down the material, and it is able to keep the stable performance under the work of low-temperature environment, and it is often used in the manufacture of mining machinery, engineering machinery, and parts and accessories.
Q550E high tensile steel sheet chemical composition
| STEEL GRADE | 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 |
| Q550E | 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 |
Q550E high strength structural steel plate mechanical property
| STEEL GRADE | Re yield strength Mpa min | Re yield strength Mpa min | elongation % | Energy and temperature | |||||||
| Min | 0 | -20 | -40 | -60 | |||||||
| t≤50 | 50-100 | 100-150 | t≤50 | 50-100 | 100-150 | J | J | J | J | ||
| Q550E | 550 | 530 | 490 | 640-820 | 640-820 | 590-770 | 16 | 47 | 47 | 34 | 34 |
Q550E high strength sheet metal delivery status introduction
Q550E high strength plate are delivered in quenched + tempered condition by default;
According to the different needs can also be the following additional technical requirements;
Q550E high strength steel sheet thickness flaw detection can be done; 1 probe, 2 probe, 3 probe;
Q550E high tensile steel plate thickness Z extension can be done; Z15, Z25, Z35.
Q550E high strength steel plate use introduction
Q550E is an ultra-high strength steel plate, often used more in the machinery manufacturing industry, for example; mining machinery and equipment, engineering machinery and equipment, heavy machinery, coal mining machinery, cranes, steam turbines, ultra-supercritical, steam engines, nuclear power equipment, ship equipment, bridge structures, etc. The application is very wide.
Q550E low alloy structural steel sheet Products image
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