■ Overview
Q390E high strength low alloy structural angle steel owned minimum tensile strength at 490 Mpa and minimum yield strength at 390 Mpa.When rolling steel angle Q390E,the impact test shall be done at minus 40 centigrade.Steel angles,angle bars,L-profiles are used for various purposes in a number of industries such as steel frames,brackets,trim,reinforcements and many other uses.
■ 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 Q390E low alloy structural steel angle:
Thickness (mm) | ||||
Q390E | ≤ 16 | > 16 ≤ 35 | > 35 ≤ 50 | >50 |
Yield strength (≥Mpa) | 390 | 370 | 350 | 330 |
Tensile strength (Mpa) | 490-650 |
►Chemical composition for Q390E low alloy structural steel angle (Heat Analysis Max%)
Main chemical elements composition of Q390E | ||||||||||
C | Si | Mn | P | S | V | Nb | Ti | Al (min.) | Cr | Ni |
0.20 | 0.55 | 1.00-1.60 | 0.025 | 0.025 | 0.02-0.20 | 0.015-0.060 | 0.02-0.20 | 0.015 | 0.30 | 0.70 |