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Q390C steel plate
High strength low alloy structural steel plate Q390C owned the minimum yield point above 390 Mpa for the thickness equal or above 16mm,and tensile strength shall be within 490-650 Mpa.Normlised Q390C is mainly for heavy steel plate for improve the steel property when rolling. Technical Requirements & Additional Services:Mechnical property for Q390C low alloy structural steel:
Thickness (mm) | ||||
Q390C | ≤ 16 | > 16 ≤ 35 | > 35 ≤ 50 | >50 |
Yield strength (≥Mpa) | 390 | 370 | 350 | 330 |
Tensile strength (Mpa) | 490-650 |
Main chemical elements composition of Q390C | ||||||||||
C | Si | Mn | P | S | V | Nb | Ti | Al (min.) | Cr | Ni |
0.20 | 0.55 | 1.00-1.60 | 0.035 | 0.035 | 0.02-0.20 | 0.015-0.060 | 0.02-0.20 | 0.015 | 0.30 | 0.70 |