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Australian standard AS3678-250L15 steel plate

Posted:2022-01-18 10:47:05

1. Introduction to AS3678-250L15 steel plate:
AS3678-250L15 carbon structural steel, AS3678 is the Australian low alloy standard AS-NZS 3678, 250 represents the minimum yield strength value, L represents the impact property, and 15 represents the impact temperature of - 15℃.

2. AS3678-250L15 steel plate technical standard: AS-NZS 3678-2011

3. Chemical composition of AS3678-250L15 steel plate:

Grade

C

Si

Mn

P

S

Al

Ti

Cu

Ni

Cr

Mo

JCC188-38252-183

AS3678-250

≤0.22

≤0.55

≤1.70

≤0.04

≤0.030

≤0.1

≤0.040

≤0.40

≤0.50

≤0.30

≤0.100

4. Mechanical properties, yield tensile strength and impact energy of AS3678-250L15 steel plate:

Grade	Yield strength Rp0.2 MPa							Tensile strength Rm(Mpa)	Elongation A%
	Thickness (mm)(JCC188-38252-183)
	≤8	>8≤12	>12≤20	>20≤32	>32≤50	>50≤80	>80≤150
AS3678-250L15	280	260	250	250	250	240	230	140	22

Note: (1) Cr + Ni + Cu + Mo < 1.00%
(2) A1 content is applicable to acid soluble aluminum or all aluminum
(3) CE=C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15 
(4) V≤0.10%, Nb+V≤0.15%

5. AS3678-250L15 steel plate ultrasonic flaw detection:
Level I flaw detection, level II flaw detection and level III flaw detection; The flaw detection method and quality level shall comply with the requirements of AS 1710.