Our produced Q420R steel plates specification: 8-320mm
Q420R material is a low
Alloy steel plate for low temperature pressure vessel. Q420R pressure vessel plae has high strength, high toughness and excellent weldability. It is mainly used in the manufacture of mobile pressure vessels, such as automobile tank trucks and railway tank trucks.
Q420R fixed rolling size
Q420R plates dimension range: steel plate width 1600-4020mm, thickness 8-100mm, length 3000-27000mm.
Q420R steel chemical composition (%)
| C |
Si |
Mn |
Cr |
Mo |
Nb |
V |
P |
S |
| ≤0.20 |
≤0.55 |
1.30~1.70 |
≤0.30 |
≤0.08 |
0.015~0.050 |
≤0.100 |
≤0.020 |
≤0.010 |
Q420R steel delivery statusAccording to the user's requirements, it can be delivered in different states such as normalizing, tempering, normalizing plus tempering, and quenching and tempering.
The manufacturers of Q420R currently understand that Wuhan Iron and Steel, Hunan Iron and Steel, and Hansteel have production licenses. However, the minimum order volume of Xiangsteel is 200 tons. Wuhan Steel Works is based on the ability to consolidate orders.
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