API 2H & 2B

API 2H: American Society for Testing and Materials
Carbon Manganese Steel Plate for Offshore Platform Tubular Joints
Appliocation: Refineries; Nuclear Plant; Aerospace Industry; Chemical Fertilizer; Petrochemicals' Oli & Gas and etc.

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API 2H: American Society for Testing and Materials
Carbon Manganese Steel Plate for Offshore Platform Tubular Joints
Appliocation: Refineries; Nuclear Plant; Aerospace Industry; Chemical Fertilizer; Petrochemicals' Oli & Gas and etc.

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Chemical Requirements
Grade	Composition %
Grade	C max	Mn	P max	S max	Si	Cr	Others
42	0.22	0.84–1.46	0.04	0.015	0.05–0.45	0.05 max	...
50	0.22	1.07–1.72	0.04	0.015	0.05–0.45	0.005–0.05	...

Mechanical Properties
Grade
	42		50
Tensile strength:
ksi	62-82		70-90
Mpa	427-565		483-620
Yield strength,min:
	t<=2.5in	t > 2.5in	t<=2.5in	t > 2.5in
ksi	42	42	50	47
MPa	289	289	345	324
Elongation Requirements:As per standard

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API 2H & 2B

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