Difference between ASTM A516 boiler steel plate and Q345R steel plate

Summary:
Jul - 07 - 2020

1. The categories of ASTM A516 boiler steel plate and Q345R steel plate are as follows:
ASTM A516 boiler steel plate and Q345R steel plate belong to container plate. ASTM A516 boiler steel plate is American standard steel plate for medium and low temperature pressure vessel; Q345R steel plate is national standard steel plate for boiler and pressure vessel.

2. The Executive Standards of ASTM A516 boiler steel plate and Q345R steel plate are as follows:
ASTM A516 boiler steel plate executive standard: ASME;
The executive standard of Q345R steel plate:GB 713-2014 or GB/T 713-2014

3. Delivery status of ASTM A516 boiler steel plate and Q345R steel plate:
(1) ASTM A516 boiler steel plate with thickness less than or equal to 1.5in. (40mm) is usually delivered in rolling state; steel plate with thickness greater than 1.5in. (40mm) must be normalized.
(2)Q345R steel plate is generally delivered in hot rolling, controlled rolling, normalizing rolling and normalizing conditions. According to the thickness and performance requirements, steel plates with thickness greater than 60mm generally need to be normalized.

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