weathering steel 1Material:Q345NH,cortenA /B,SPA-H. 2Thickness:2-180mm 3Width:1000-3000mm 4QC-QA-MTC-SGS-BV-CIQ

 weathering steel

material	grade	chemical composition,%
		C	Si	Mn	P	S	Cu	Cr	Ni	V
Q235NH	A-E	≤ 0.13	0.10-0.40	0.20-0.60	≤ 0.13	≤ 0.13	0.25-0.55	0.40-0.80	≤ 0.65	/
Q295NH	A-E	≤0.15	0.10-0.50	0.60-1.00	≤ 0.13	≤ 0.13	0.25-0.55	0.40-0.80	≤ 0.65	/
Q295GNH	A-E	≤ 0.12	0.10-0.40	0.20-0.50	≤ 0.13	≤ 0.13	0.25-0.55	0.40-0.80	0.25-0.50	/
Q355NH	A-E	≤ 0.16	≤ 0.50	0.50-1.50	≤ 0.13	≤ 0.13	0.25-0.55	0.40-0.80	≤ 0.65	/
Q355GNH	A-E	≤ 0.12	0.20-0.75	≤ 1.00	≤ 0.13	≤ 0.13	0.25-0.55	0.40-0.80	≤ 0.65	/
09CuPCrNi-A	/	≤ 0.12	0.20-0.75	0.20-0.50	0.060-0.12	≤ 0.020	0.25-0.50	0.30-1.25	0.12-0.65	/
09CuPCrNi-B	/	≤ 0.12	0.10-0.40	0.20-0.50	0.060-0.12	≤ 0.020	0.25-0.50	0.30-0.65	0.25-0.50	/
05CuPCrNi	/	≤ 0.090	0.25-0.50	0.20-0.50	0.060-0.12	≤ 0.020	0.25-0.50	0.30-1.25	0.12-0.65	/
B480GNQR	/	≤ 0.12	0.25-0.75	0.20-0.50	0.070-0.15	≤ 0.030	0.25-0.55	0.30-1.25	≤ 0.65	/
Q450NQR1	/	≤ 0.12	≤ 0.75	≤ 1.50	≤ 0.025	≤ 0.020	0.20-0.55	0.30-1.25	≤ 0.65	/
SPA-H	/	0.05-0.12	0.25-0.75	0.20-0.60	0.070-0.12	≤ 0.025	0.25-0.50	0.30-1.25	≤ 0.65	/
Cor-ten A	/	0.12	0.25-0.75	0.20-0.50	0.07-0.15	0.03	0.25-0.55	0.50-1.25	0.65	/
Cor-ten B	/	0.16	0.30-0.50	0.80-1.25	0.03	0.03	0.25-0.40	0.40-0.65	0.4	0.02-0.10

material	weathering steel (corten)
standard	GB/T4170 200X	TB/T 1979 2003	EN10025-5 2004	JIS G3114 2004	JIS G3125 2004
grade	Q235NH Q355NH Q355GH Q460NH	09CuPCrNi-A	S235J0W S235J2W S355J0W S355J2W S355J0WP S355J2WP	SMA400 SMA490 SMA570	SPA-H