Australian low alloy AS3678-WR350 steel plate

1. Introduction of AS3678-WR350 steel plate:
AS3678-WR350 plate is Australian low alloy steel plate, AS3678 represents the Australian low alloy steel standard AS-NZS 3678, WR represents atmospheric corrosion resistance, and 350 represents the minimum yield strength value.

2. AS3678-WR350 steel plate executive standard: AS-NZS 3678-2011.

3. Mechanical properties of AS3678-WR350 steel plate:

Grade	Yield Strength Rp0.2 MPa							Tensile Strength Rm(Mpa)	Elongation A%
	Thickness (mm)
	≤8	>8≤12	>12≤20	>20≤32	>32≤50	>50≤80	>80≤150
AS3678-WR350	340	340	340	340	340	-	-	450	20

4. Melting analysis of chemical composition of AS3678-WR350 steel plate:

Grade	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	Al	Ti
AS3678-WR350	≤0.14	0.15-0.75	≤1.70	≤0.160	≤0.030	0.35-1.05	≤0.55	0.15-0.50	≤0.10	≤0.100	≤0.040

Note: (1) The grades listed allow the use of modified sulfide steelmaking techniques.
(2) The limit value applies to both acid-soluble aluminum and all-aluminum.
(3) The carbon equivalent CE is calculated based on the actual smelting composition or the composition of the finished product, and is calculated according to the following formula: CE=C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15
(4) Ni+V≤0.030%
(5) V≤0.10%, Ni+V+Ti≤0.15%.

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