GB/T1591 Q420D Steel Plate
Q420D steel plate is a low alloy high-strength structural steel plate, Q420D not only high strength, but also has a certain toughness, cold forming properties, welding properties, wear-resistant and anti-corrosion properties, because Q420D steel plate itself carries a comprehensive high-quality performance, but also meets the requirements of many manufacturing industry selection of materials in the use of the process of many enterprises also to the praise of the appreciation of the steel plate at the same time, the Q420D steel is also one of the first choice for many manufacturing materials. Q420D steel plate is also one of the first choice for many manufacturing materials.
Q420D is usually used for large ships, bridges, power station equipment, high-pressure boilers, high-pressure vessels, rolling stock, heavy machinery, mining machinery, marine cranes, military equipment, and large-scale welding projects and so on with a very wide range.
Q420D high strength steel sheet chemical composition
| Main chemical elements composition of Q420D | ||||||||||
| C | Si | Mn | P | S | V | Nb | Ti | Al (min.) | Cr | Ni |
| 0.20 | 0.55 | 1.00-1.70 | 0.030 | 0.030 | 0.02-0.20 | 0.015-0.060 | 0.02-0.20 | 0.015 | 0.40 | 0.70 |
Q420D high strength plate mechanical property
| Thickness (mm) | ||||
| Q420D | ≤ 16 | > 16 ≤ 35 | > 35 ≤ 50 | >50 |
| Yield strength (≥Mpa) | 420 | 400 | 380 | 360 |
| Tensile strength (Mpa) | 520-680 | |||
Q420D low alloy steel material Products Details
Q420D high strength sheet metal is a kind of low alloy high-strength structural steel, the executive standard: GB1591-2008.
Q420 has high strength, good fatigue resistance; high toughness and low brittle transition temperature; good cold forming properties and welding properties; good corrosion resistance and some wear resistance.
Q420D default controlled tie delivery state can be negotiated with can be done normalized / tempered / quenched + hot rolled and other different delivery states will directly change the performance of the steel plate use.
Q420D high strength structural steel plate applications: large ships, bridges, power station equipment, medium and high-pressure boilers, high-pressure vessels, rolling stock, super-heavy machinery, mining machinery, and other large welded structural components.
Q420D High-Strength Low Alloy (HSLA) Steel Plates Products image
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