Q550NH STEEL PLATE

High tension weathering steel Q550NH,Q550NH steel plate,Q550NH corten plate owned yield strength above 550 Mpa and tensile strength within 620-780 Mpa.For improving steel properties,the following alloy elements can be added choosely,Nb 0.015-0.060%,V 0.02-0.12%,Ti 0.02-0.10%,Alt min.0.020%.Nb+V+Ti max.0.22%.

Technical Requirements & Additional Services for Q550NH steel plate:
♦ High tension test
♦ Low temperature impacting test
♦ Simulated post-welded heat treatment (PWHT)
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦ Shot blasting and Painting,Cutting and welding as per end user’s demands
♦ G101 Guide for estimating atmospheric corrosion resistance of low alloy steels 

►Mechnical property for Q550NH corten plate:

Thickness (mm)
Q550NH	≤ 16	> 16 ≤ 40	> 40 ≤ 60	>60
Yield strength (≥Mpa)	550	540	530	530
Tensile strength (Mpa)	620-780

►Chemical composition for Q550NH corten plate (Heat Analysis Max%)

Main chemical elements composition of Q550NH steel plate
C	Si	Mn	P	S	Cu	Ni	Cr
0.16	0.65	2.00	0.025	0.030	0.20-0.55	0.12-0.65	0.30-1.25