KR Grade B hot rolled flat steel is a kind of high tensile strength marine steel. All of these steels have been engineered to be optimal long-lived shipbuilding steels. As with other grades of steel, they have a specific gravity of 7.8. KR Grade B hot rolled flat steel shipbuilding steel plates are mainly used for making the offshore oil drilling platform, the hull of ship building and ship repairing, the platform pipe joints and other components.

KR Grade B hot rolled flat steel specifications: 75 × 7-16, 80 × 7-16, 100 × 8-16, 120 × 8-16, 150 × 9-20, 200 × 10-25, 250 × 10-25, 300 × 12-30, 350 × 12-30, 400 × 15-35

KR Grade B hot rolled flat steel , R B chemical composition:

CE: C+1/6Mn ≤ 0.40%
Cu ≤ 0.35%,Ni ≤ 0.30%

KR Grade B hot rolled flat steel , R B Mechanical Property:

JW steel keeps more than 10,000 tons hot rolled and cold rolled KR Grade B hot rolled flat steel , R B shipbuilding steel in stock each month. We can meet our customer’s any quantity request. Based on these stock source, our advantage industry spread into steel process like : cutting ( any size and any shape ) drilling, welding, milling, machining and steel structure.

Related products: KR Grade A hot rolled flat steel bar, KR Grade B angle steel, KR Grade B bulb flat steel bar, KR Grade L shaped steel bar