GB 713 grade 18MnMoNbR pressure vessel steel plates

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GB 713 grade 18MnMoNbR pressure vessel steel plates

GB 713 grade 18MnMoNbR pressure vessel steel plates

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Description:GB 713 boiler steel grade 18MnMoNbR pressure vessel steel plates are special steel for manufacturing pressure vessels, and they belong to medium and low tempera...

Production Capacity:6000ton//Month

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Products Description

GB 713 boiler steel">GB 713 boiler steel grade 18MnMoNbR pressure vessel steel plates are special steel for manufacturing pressure vessels, and they belong to medium and low temperature pressure vessel steel plates. "18" means that the carbon content of 18MnMoNbR steel plate is 0.18%. GB 713 18MnMoNbR pressure vessel steel plates are usually supplied in normalizing and tempering condition, and the tempering temperature is not less than 650℃. And each piece of 18MnMoNbR steel plate shall pass the ultrasonic flaw detection.

GB 713 boiler steel grade 18MnMoNbR pressure vessel steel plates chemical composition ( max, %):

GB713 C Si Mn Cu Ni Cr Mo Nb V Ti Alt P S
18MnMoNbR ≤0.21 0.15-0.50 1.20-1.60 ≤0.30 ≤0.30 ≤0.30 0.45-0.65 0.025-0.050     - ≤0.020 ≤0.010

GB 713 boiler steel grade 18MnMoNbR pressure vessel steel plates mechanical property:

GB713 Thickness, in mm Tensile Strength Yield Strength, min Elongation, %, min Temperature Impact energy (J)
18MnMoNbR 30<T≤60 570-720 400 18 0 47
60<T≤100 390

GB 713 18MnMoNbR pressure vessel steel plates have enough strength, good toughness and welding performance. 18MnMoNbR steel plates are not only used to manufacture pressure vessels, but also widely used in construction machinery manufacturing.

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