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P275NH is a European standard steel plate for boiler pressure vessels, a normalised weldable fine grain steel.

Q460E is a steel plate for high strength structural tempering, also known as high strength plate and low alloy high strength plate.

S460NL is a European standard alloy steel plate.

S420ML steel plate is a European standard alloy steel plate.

SM490YB steel plate is Japanese standard low alloy high strength steel.

SA662GrC steel plate is American Standard vessel plate.

SB410 is Japanese standard steel plate for marine boiler pressure vessel.

07MnMoVR steel plate is a high-strength pressure vessel steel plate.

SPV490Q steel plate is Japanese standard steel plate for boilers and pressure vessels.

S355J2 is a European standard alloy plate, which is a low alloy high strength structural steel with good impact toughness and welding function.

Steel heat treatment is through a series of process steps such as heating, heat preservation, cooling, etc.

Q355NE is a low alloy high-strength plate.