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■ Overview
GB/T1591 high strength low alloy structural steel Q345E,Q345E steel plate,Q345E steel sheet owned minimum yield strength at 345Mpa and tensile strength above 470Mpa.When rolling steel plate Q345E,the impacting test shall be done under low temperature at minus 40 centigrade.
■ Full Data
Technical Requirements & Additional Services for Q345E steel plate:
♦ 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 Q345E low alloy structural steel:
| Thickness (mm) | ||||
| Q345E | ≤ 16 | > 16 ≤ 35 | > 35 ≤ 50 | >50 |
| Yield strength (≥Mpa) | 345 | 325 | 295 | 275 |
| Tensile strength (Mpa) | 470-630 | |||
►Chemical composition for Q345E low alloy structural steel (Heat Analysis Max%)
| Main chemical elements composition of Q345E | ||||||||
| C | Si | Mn | P | S | V | Nb | Ti | Al (min.) |
| 0.18 | 0.55 | 1.00-1.60 | 0.025 | 0.025 | 0.02-0.15 | 0.015-0.060 | 0.02-0.20 | 0.015 |
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