Carbon steel plate Q345R

Carbon steel plate Q345R

Q345R Appication:

1. Q345R steel plate is used in the inner tube of the multi-layer container, for the shell thickness is larger than 36mm for other compression elements (flanges, tube plates and flanges).

2. If the thickness of the cap is greater than 50mm, it should be used in the state of normalization: For steel plates used for multi-layer containers or for steel plates with a thickness of more than 60mm, each of the heat treated steel plates should be stretched and v-shaped Mouth impact test.

3. According to the design document, for steel plate with thickness greater than 80mm, ultrasonic testing can be added to steel plate thickness.

4. For steel plate thickness is 30 ~ 36 mm, ultrasonic testing requirement is not lower than level Ⅲ.

5. For steel plate thickness is greater than 36 mm, ultrasonic testing is required not lower than level Ⅱ..

Q345R Steel Plate Chemical Composition:

Steel Grade C % Si % Mn % Cu % Ni % Cr% Mo % V % Ti % Alt % P % S % Nb
Q345R 0.20 0.55 1.2-1.7 0.30 0.30 0.30 0.08 0.050 0.030 0.020 0.025 0.010 0.050

Q345R boiler plate product details 

Carbon steel plate Q345R Carbon steel plate Q345R

Carbon steel plate Q345R Carbon steel plate Q345R


Packaging & Shipping

Packaging Details: Bulk packing with steel belt or sea worthy packing or as per client’s requirements.

Delivery Time: 7-20days
Q345R boiler plate packing & loading
Carbon steel plate Q345RCarbon steel plate Q345R

Company Information

Gnee Steel is the affiliated company for ANGANG GROUP who are one large state-owned iron and steel group located in Henan, China. Cooperate with China’s major steel mills, provide you with various types of steel.

GNEE have a professional technician team, which not only have decades working experience in steel industry, but also have a deep and clear insight of the technology condition and the manufacturing state in the Chinese main steel mills. With the high efficient supervision system and professional experience, we offer our efficient and considerate service to clients around the world. We hope sincerely to become your Chinese supplier and partner.

Factory & Certificate

Carbon steel plate Q345RCarbon steel plate Q345R


Carbon steel plate Q345R


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