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You are here: Home » News » Industry Knowledge » What is the material of L290N?

What is the material of L290N?

Views:12     Author:Site Editor     Publish Time: 2019-07-15      Origin:Site

Material of L290N


This is pipeline steel transport for oil,gas,liquid etc.
It is equals to the steel of API 5L GR.X42N In API 5L standard new eddition 46

L means: pipeline steel

290 means: minimum yield strength 290MPa

N means: normalized  heat treatment state.

Refer: GB/T 9711-2011 Oil and Gas Industry Pipeline for pipeline transportation system

The chemical composition and mechanical properties of L290N are shown in the figure below:

l290