A131 Grade DH40,A131GrDH40

Hot rolled A131 Grade DH40,A131GrDH40 steel plate,A131GrDH40 steel sheet is a higher steel grade among shipbuilding steel.As for the heat treatment for A131 Grade DH40,if the thickness above 12.5mm,the delivery condition must be Normalized or Normalized rolled or TMCP.As rolled is not allowed to delivery without the customer's special requirement.Heat treatment mark would be appear on our each steel plate as steel mark,such as Normalized would be marked as N,TMCP would be marked as TMCP which is short for Thermo-Mechanical Control Process.

Technical Requirements & Additional Services for A131GrDH40 steel plate:
♦ High tension test
♦ Z-Test (Z15,Z25,Z35)
♦ Low temperature impacting test
♦ Ultrasonic test under ASTM A435,A577,A578
♦ Cetificated by ABS,LR,GL,BV,DNV,KR,NK,CCS,RINA
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦ Shot blasting and Painting,Cutting and welding as per end user’s demands

►Mechnical property for A131GrDH40 steel plate:

Yield strength (≥Mpa)	Tensile strength (Mpa)	Elongation in ≥,%
390	510-650	200mm	50mm
		19	22

►Chemical composition for A131GrDH40 steel plate (Heat Analysis Max%)

Main chemical elements composition of A131GrDH40 steel plate
C	Si	Mn	P	S	Al (acid) min.	Nb
0.18	0.10-0.50	0.90-1.60	0.035	0.035	0.015	0.02-0.05
V	Ti	Cu	Cr	Ni	Mo
0.05-0.10	0.02	0.35	0.20	0.40	0.08