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■ Overview
Structural steel angles Q390A is mainly used for manufacturing the plants of factory ,the common constructure and construction machinery and equipment.The tensile strength of low alloy steel plate Q390A is within 490-650 Mpa,and the minimum yield strength is 390Mpa.Xinsteel stockholder thousands tons different sizes of Q390A steel angles,Q390A angle steels,Q390A equal angle steel,Q390A un-equal angle steels and Q390A inverted angle steels.
■ 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 Q390A low alloy structural steel angle:
| Thickness (mm) | ||||
| Q390A | ≤ 16 | > 16 ≤ 35 | > 35 ≤ 50 | >50 |
| Yield strength (≥Mpa) | 390 | 370 | 350 | 330 |
| Tensile strength (Mpa) | 490-650 | |||
►Chemical composition for Q390A low alloy structural steel angle (Heat Analysis Max%)
| Main chemical elements composition of Q390A | |||||||||
| C | Si | Mn | P | S | V | Nb | Ti | Cr | Ni |
| 0.20 | 0.55 | 1.00-1.60 | 0.045 | 0.045 | 0.02-0.20 | 0.015-0.060 | 0.02-0.20 | 0.30 | 0.70 |
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