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■ Overview
Structural steel angle bar Q420A is mainly used for manufacturing the plants of factory ,the common constructure and construction machinery and equipment.The tensile strength of low alloy steel angle Q420A is within 520-680 Mpa,and the minimum yield strength is 420Mpa.
■ 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 Q420A low alloy structural steel angle:
| Thickness (mm) | ||||
| Q420A | ≤ 16 | > 16 ≤ 35 | > 35 ≤ 50 | >50 |
| Yield strength (≥Mpa) | 420 | 400 | 380 | 360 |
| Tensile strength (Mpa) | 520-680 | |||
►Chemical composition for Q420A low alloy structural steel angle (Heat Analysis Max%)
| Main chemical elements composition of Q420A | |||||||||
| C | Si | Mn | P | S | V | Nb | Ti | Cr | Ni |
| 0.20 | 0.55 | 1.00-1.70 | 0.045 | 0.045 | 0.02-0.20 | 0.015-0.060 | 0.02-0.20 | 0.40 | 0.70 |
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