■ Overview
GB/T706 Q345D steel angles 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.
■ Full Data
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
♦ 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
■ Techicals
►Mechnical property for Q345D low alloy structural steel angle:
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 angle (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 |