A633 grade D carbon steel plate sheet chemical composition and properties

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The toughness index of Q345B steel should be tested by impact test at 20 ℃. Although the strength of Q345B steel and Q345A steel are the same, the S / P control of Q345B steel is more strict, and the ambient temperatures of A633 grade D carbon steel plate sheet, Q345B steel and Q345A steel are different. The cold impact test refers to the impact test at a certain temperature to obtain the energy consumed by punching the specimen. The more energy consumed, the higher the toughness of the material. Q345A is not subject to impact test. So Q345B steel is better than Q345A steel.

Non-destructive flaw detection of steel plates is a test method for inspecting the A633 grade D carbon steel plate sheet surface and internal quality of the inspected parts without damaging the working state of the workpiece or raw materials. Commonly used A633 grade D carbon steel plate sheet steel plate flaw detection methods include: X-ray flaw detection, ultrasonic flaw detection, magnetic particle flaw detection, penetration flaw detection, eddy current flaw detection, gamma-ray flaw detection, fluorescent flaw detection, color flaw detection and other methods. Physical flaw detection is non-destructive flaw detection without any chemical changes.

ST37-2 is a kind of low carbon steel with carbon content of 0.20%, similar to S235JR or Q235 A633 grade D carbon steel plate sheet. It's not as strong as common ASTM A36, but it is also widely applied by everyday uses and structural applications where high strength is not so important. Equal ST37-2 angle steel size: A633 grade D carbon steel plate sheet Size: 20 × 20 mm to 200 × 200 mm. Thickness: 3 - 35 mm. Length: 6 m, 9 m or as required. Unequal ST37-2 angle steel size: A633 grade D carbon steel plate sheet Size: 30 × 20 mm to 250 × 90 mm. Thickness: 3 to 10 mm. Length: 6 m, 9 m, 12 m or per your request.

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