GBT Q620 High Strength Steel Plate
High Strength Low Alloy Plates Product Introduction
The Q620 low alloy steel material produced by GNEE can be divided into Q620GrC high strength low alloy steel, Q620GrD high strength low alloy and Q620GrE high strength steel according to the grade. The Q620 we provide is a high strength steel plate with high strength, durability and toughness. The Q620 high strength alloy steel we produce is usually manufactured using alloys or other advanced processes to enhance the mechanical properties of Q620 hsla steel plate.
The Q620 hsla structural steel we produce is also known for its formability, weldability and atmospheric corrosion resistance. The Q620 low alloy structural steel we provide can be used in high strength construction machinery, coal mining equipment, steel structures, body structures and bulldozers and other equipment.
high strength structural steel Product Details
Q620 High Strength Plate Chemical Composition:
| Grade | C | Mn | Si | P | S | V | Nb | Ti | AL | Cr | Ni |
| ≤ | ≤ | ≤ | ≤ | ≤ | - | ≤ | ≥ | ≤ | ≤ | ||
| Q620GrC | 0.2 | 1.0-1.7 | 0.55 | 0.035 | 0.035 | 0.20 | 0.015-0.16 | 0.02 | 0.015 | 0.70 | 0.70 |
| Q620GrD | 0.2 | 1.0-1.7 | 0.55 | 0.030 | 0.030 | 0.20 | 0.015-0.16 | 0.02 | 0.015 | 0.70 | 0.70 |
| Q620GrE | 0.2 | 1.0-1.7 | 0.55 | 0.025 | 0.025 | 0.20 | 0.015-0.16 | 0.02 | 0.015 | 0.70 | 0.70 |
Q620 High Strength Steel Sheet Mechanical Properties:
| Tensile strength | 977～020 | σb/MPa |
| Yield Strength | 608 | σ 0.2 ≥/MPa |
| Elongation | 64 | δ5≥(％) |
| ψ | - | ψ≥(％) |
| Akv | - | Akv≥/J |
| HBS | 984～509 | - |
| HRC | 30 | - |
Q620 High Tensile Steel Plate Physical Properties:
| Thermal expansion | 79-43 |
| Thermal conductivity | 28-70 |
| Specific heat | 450-460 |
| Melting temperature | 7317-3670 |
| Density | 6973-3368 |
| Resistivity | 0.50-0.60 |
high tensile alloy steel Product Image
GNEE Group Team Photo
GNEE is a alloy steel plate supplier with sixteen years of production experience. We have strong market control capabilities. The company adjusts inventory in a timely manner according to market demand and has sufficient supply to ensure that it meets the needs of market customers.
We can provide processing services according to your terminal needs. If you need it, we can also provide quality certificates and conduct third-party testing.
GNEE Group Exhibition Pictures
GNEE Group customers visit
If you have more needs and questions about GBT Q620 high strength steel plate, please contact us!
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