Q345D hot rolled steel sheet

GB/T1591 Q345D steel shall be done charpy V-notch impacting test under minus 20 centigrade.Many container manufacturers adpots these high tension strength to make offshore containers which can be used in deep oceans.

Mechnical property for Q345D low alloy structural steel:

Thickness (mm)
Q345D	≤ 16	> 16 ≤ 35	> 35 ≤ 50	>50
Yield strength (≥Mpa)	345	325	295	275
Tensile strength (Mpa)	470-630

Chemical composition for Q345D low alloy structural steel (Heat Analysis Max%)
 

Main chemical elements composition of Q345D
C	Si	Mn	P	S	V	Nb	Ti	Al (min.)
0.18	0.55	1.00-1.60	0.030	0.030	0.02-0.15	0.015-0.060	0.02-0.20	0.015

Technical Requirements & Additional Services:
♦ Low temperature impacting test
♦ Cutting and welding as per end user’s demands
♦ More striction on some chemical elements contains
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦ Ultrasonic test under GB/T2970,JB4730,EN 10160,ASTM A435,A577,A578 

Our Services

1.Providing all kinds stainless steel, carbon steel, alloy steel non-ferrous metal and etc

2.Providing Samples

3.Providing consult service

4.Providing standard packaging service

5.Providing customerized sizes service