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• Brief introduction of API X52 pipeline steel
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• Harm of inclusions in X70 pipeline steel
• API 5L pipeline pipe
• X52 steel plate surface quality standards that need to be met
• The basic production process of API 5L X60 pipeline steel
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• Reasons for choosing Q690D steel

RINA Grade B Steel Plates

A structural grade of RINA Grade B steel plate utilized almost exclusively in the shipbuilding industry. This RINA Grade B steel is defined as Ordinary Strength with specified minimum yield of 34 KSI. Applications include barges, marine equipment, and ship construction. These RINA B grade steel plates offered by Katalor Industry are certificated by Registro Italiano Navale (RINA).

RINA Grade B steel available: plates, coils, sheets, angles, sections, bulb flats
RINA B Ship Steel Plates Size
Thickness: 3-150mm
Width: 1220-4200mm
Length: 5000-18000mm
Notes: coil thickness ≤ 25mm
Mechanical Properties:
Tensile strength:58 to 71 ksi
Yield strength: 34 ksi min
Elongation: 19% min in 8” 22% min in 2”

RINA Grade B Steel Plates Stock