Carbon content in welded steel for pressure vessels

2019-09-03View Original

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GB/T 1591, Section P6, Subsection 2.2.1.2.1: \"For carbon steel and low-alloy steel, the carbon content shall be C≤0.25%.\" According to GB/T150.2, Table 9 lists 35# steel forgings; does this exceed the requirements of the Code for Pressure Vessels, and can such forgings still be welded?

Reply #22019-09-03

Please check the remarks on that table, OP

Reply #32019-09-03

35# steel forgings are generally not used in welded structures; they are only used for threaded flanges and flange covers

Reply #42019-09-04

35, shall not be used in welded structures.

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Carbon content in welded steel for pressure vessels

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