Q345E - GB 6479-2013

Grade	Q345E
Corresponding Standard	GB 6479-2013 Seamless steel tubes for high-pressure chemical fertilizer equipments
Classification	Alloy Steel

Q345E Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu ^①	Mo	V	Nb
Minimum Value	0.12	0.2	1.2	-	-	-	-	-	-	-	-
Maximum Value	0.18	0.5	1.7	0.025	0.01	0.3	0.5	0.2	0.1	0.15	0.07

Approximate Comparison Table Carbon Structural Steel and Engineering Steel

Q345E Corresponding Standards(Same grade name, different standards)

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