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■ Overview
Structural steel Q390A,Q390A steel plate,Q390A steel sheet 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 for thickness equal and belows 16mm.
■ Full Data
Technical Requirements & Additional Services for Q390A 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 Q390A low alloy structural steel:
| 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 (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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