Q690E High Strength Low Alloy HSLA Steel
Q690E Alloy Steel Plate Products Description
Q690E alloy steel plate is a high-strength welded structural steel. "Q" stands for yield strength, "690" means the minimum yield strength is 690MPa, "E" stands for quality grade, and the impact test temperature is -40°C.
Q690E low alloy steel material performance characteristics
High toughness: Q690E low alloy steel sheet can still maintain good ductility at low temperatures.
Good welding performance: The welded joint is of high quality and not prone to cracks.
Wear resistance and corrosion resistance: Q690E high strength low alloy steel plate surface is specially treated to improve wear resistance and corrosion resistance.
Engineering application: Q690E high tensile steel plate is widely used in bridges, buildings, vehicles, ships and other fields, such as the manufacture of key parts such as heavy-duty trucks, large buses, engineering machinery, hulls, decks, etc.
Q690E High Strength Low Alloy HSLA Steel Products Details
Q690E High-strength Steel Plate 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 |
| Q690E | 0.2 | 0.80 | 1.8 | 0.025 | 0.015 | 0.5 | 1.5 | 2 | 0.70 | 0.005 | 0.12 | 0.06 | 0.05 |
Q690E Low-alloy 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 | ||
| Q690E | 690 | 650 | 630 | 770-940 | 760-930 | -- | 14 | 47 | 47 | 34 | 34 |
Q690E High Strength Steel Sheet Products Image
Q550E High Strength Low Alloy Plate Product Processing
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