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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产品分类: 合金钢管不锈钢管无缝碳钢管焊接碳钢管打桩管管件法兰涂层管和管 CRA复合和内衬钢管 OCTG和钻杆管道绕线阀门和压力容器

: 石化海上应用油气管道锅炉＆容器 EPC包（配件＆法兰）

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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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