S460N and S460NL normalized structural steel plate

Posted:2011-10-27 14:04:46

With minimum yield strength 460Mpa,S460N steel and S460NL steel can work in the normal strength situiations when construction.
Besides the impacting test and Normalized heat treatment, customers usually indicate the following technical terms in their P/O:
I. PWHT (Simulated post-weld heat treatment), instruct temperature and time when rolling.
II. Ultrasonic examination or named UT.
III. DWTT for steel plate straight test.
IV. The third party inspection.
Our mill definately would issue all the above tests result on our MTC paper for customers' checking when finished rolling. We give the chemical elements contains sheet as bellows:
Steel Grade

S460N and S460NL Chemical Composition Max Heat Analysis

Grade	C max		Si max		Mn	P max	S max.		Cu max	Cr max	Ni max		V max	Nb max	Al min
S460N	0.20		0.60		1.00-1.70	0.030	0.025		0.55	0.30	0.50		0.12	0.05	0.02
S460NL	0.20	0.60		1.00-1.70		0.025	0.020	0.55		0.30	0.80	0.20		0.05	0.02

S460N and S460NL Mechanical properties

Thickness	Yield Strength ReH [N/mm2] transv.min.		Tensile Strength Rm [N/mm2] transv.		Fracture Elongation[%]transv. min.		Notch Impact Energy1)Ch Vcomplete samplelongitud. min [J]
		S460NL	S460N	S460NL	S460N	S460NL	S460N	S460NL
t≤ 16mm t >16mm	460 440		-		-		+20 KV 31J 0 KV 27J -10 KV 24J -20 KV 20J -30 - -40 - -50 -	+20 KV 40J 0 KV 34J -10 KV 30J -20 KV 27J -30 KV 23J -40 KV 20J -50 KV 16J
T < 3mm t ≥ 3mm	-		540-720		-
Up to 1.5mm 1.51-2.00mm 2.01-2.50mm 2.51-2.99mm ≥ 3mm	-		-		17

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