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                          KR Grade B shipbuilding steel plate

                          KR Grade B shipbuilding steel plate

                          KR Grade B shipbuilding steel plate are almost exclusively used in the Shipbuilding Industry for the construction of structural parts of ships, barges and marine equipment.KR Grade B shipbuilding steel plates have yield strength of 34,100 psi (235 MPa), a
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                          KR Grade B shipbuilding steel plate are almost exclusively used in the Shipbuilding Industry for the construction of structural parts of ships, barges and marine equipment.KR Grade B shipbuilding steel plates have yield strength of 34,100 psi (235 MPa), and ultimate tensile strength of 58,000 - 75,500 psi (400-520 MPa).

                          The application of KR Grade B shipbuilding steel plate

                          KR Grade B shipbuilding steel plates can be used for ship repairing, the offshore oil drilling platform, the platform pipe joints and other components.

                          KR Grade B Shipbuilding Steel Chemical Composition Heat Analysis

                          Element

                          KR Grade B  Max %

                          Element

                          KR Grade B  max %

                          C

                          0.21

                          Ni

                          -

                          Mn

                          0.80

                          Mo

                          -

                          Si

                          0.35

                          Al

                          -

                          S

                          0.035

                           Nb

                          -

                          P

                          0.035

                          V

                          -

                          Cu

                          -

                          Ti

                          -

                          Cr

                          -

                          N

                          -

                          KR Grade B Ship Steel Mechanical Properties

                          Grade

                          Thickness

                          Yield Strength

                          Tensile Strength

                          Elongation

                          Impact Energy

                          (mm)

                          MPa (min)

                          MPa

                          % (min)

                          (KV J) (min)

                           

                           

                           

                           

                          0 degree

                          KR Grade B

                          4-260

                          235

                          400-520

                          22

                          27J

                          Note: the impact energy under less 50mm thickness

                          The rolling size of KR Grade B shipbuilding steel plate

                          Thickness

                          3-150mm

                          Width

                          1220-4200mm

                          Length

                          5000-18000mm

                          Notes: coil thickness ≤ 25mm
                          KR steels come 4 grades in ordinary-strength steel for shipbuilding and KR Grade B is one of them. Katalor can supply BV,LR and others Certificate of classification society. KR Grade B shipbuilding steel plate canbe supplied by katalor with good quality, fast delivery and one class service. Contact us by email:[email protected]

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                          Contact Us

                          Shanghai Katalor Enterprises Co., Ltd

                          0086-21-61182423
                          0086-21-61182425
                          [email protected]
                          Unit 6,lane 2500,xiupu Road,Kangqiao Industrial Area,Pudong New District,Shanghai
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