Marine & OffShore Steel Plate

API 2H Grade 50

An intermediate-strength, normalized, structural steel plate utilized in the welded construction of offshore structures. This grade is regulated by the American Petroleum Institute (API). Because of its specific restrictions, API has also been adapted in many other applications such as Base rings and Cylinders for Crane production, Piling for severe application on Bridge Construction and for “Fracture Critical” applications in areas where resistance to vibration and torque are necessary.

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Mechanical Properties:

Tensile:

70 to 90 ksi

Yield:

50 ksi min

Charpy Requirements:

TCVN 30 ft/lbs average/25 ft/lbs min @ – 40° Fahrenheit

Supplements:

S.1

Ultrasonic Testing per SA578 level II 100% scan

S.3

Frequency “P” per plate testing in accordance with A20 requirements

S.4

Through Thickness Tensile Testing “Z” direction per A770, 30% min. reduction of area.

S.5

Controlled sulpher to 0.006% max with inclusion shape control

S.12

Drop Weight Testing

STOCK SIZES

Grade	Gauge (Inches)	Width (Inches)	Length (Inches)
API 2H Gr 50	0.3750	60/96/120	480
API 2H Gr 50	0.5000	60/96/120	480
API 2H Gr 50	0.6250	60/96/120	480
API 2H Gr 50	0.7500	60/96/120	480
API 2H Gr 50	0.8750	60/96/120	480
API 2H Gr 50	1.0000	60/96/120	480
API 2H Gr 50	1.1250	60/96/120	480
API 2H Gr 50	1.2500	60/96/120	480
API 2H Gr 50	1.5000	60/96/120	480
API 2H Gr 50	1.7500	60/96/120	480
API 2H Gr 50	2.0000	60/96/120	480
API 2H Gr 50	2.2500	60/96/120	480
API 2H Gr 50	2.5000	60/96/120	480
API 2H Gr 50	2.7500	60/96/120	480
API 2H Gr 50	3.0000	60/96/120	480
API 2H Gr 50	3.5000	60/96/120	480
API 2H Gr 50	4.0000	60/96/120	480

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Marine & OffShore Steel Plate

API 2H Grade 50

CHAPEL STEEL

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