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Q420R Boiler Sheet Steel
pressure vessel steel plate Product Introduction
Q420R pressure vessel quality steel is a medium-carbon steel plate for pressure vessels. The implementation standard is GB1591-2008 special technical conditions. Q420R boiler quality plate not only has very high strength, but also has certain toughness, wear resistance, impact resistance, corrosion resistance and easy welding processability.
Q420R pressure vessel plate material is widely used in pressure vessels, boilers, bridges, ships, railway vehicles, mining equipment, construction machinery, petrochemical machinery and other fields. Among them, in pressure vessels, boilers and other demanding application scenarios, Q420R vessel steel plate It can effectively improve the strength and durability of the product. In addition, Q420R boiler steel can also be used in construction machinery, mining equipment and other fields because of its high wear resistance and impact resistance.
pressure vessel plate Product Details
Q420R Boiler Plate Steel Chemical Composition:
| Element |
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Cu |
Mo |
Ti |
V |
Nb |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
MIN |
- |
- |
1.3 |
- |
- |
- |
0.2 |
- |
- |
- |
- |
0.015 |
MAX |
0.2 |
0.55 |
1.7 |
0.02 |
0.01 |
0.3 |
0.5 |
0.3 |
0.08 |
0.03 |
0.1 |
0.05 |
Q420R Pressure Vessel Steel Mechnical Property:
| Grade | Thickness | Tensile strength | Impact test | Bending test | |||
| Rm /MPa |
ReLa /MPa |
A /% |
temperature /℃ |
KV2 /J |
180° b=2a |
||
| Q420R | 10-20 | ≤590～720 | ≤420 | ≤18 | ≤-20 | ≤60 | ≤d=3a |
| >20～30 | ≤570～700 | ≤400 | |||||
Boiler Plate Steel Product Image
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GNEE always adheres to the principle of "quality first, integrity first, customer first". We welcome new and old customers from all walks of life to contact us to establish future business relationships and develop together!
Our advantages: providing high-quality products while improving one-stop after-sales service; we have an inclusive and experienced team; we have our own factory and offer the best prices; a professional team provides you with efficient services.
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