What are the corrosion resistant steel BBN supply for railway vehicle?

Grade
 

Chemical Component /%

C

Si

Mn

P

S

Cr

Cu

Ni

09CuPCrNi

≤0.12

0.25-0.75

0.2-0.5

0.07-0.15

≤0.04

0.3~1.25

0.25-0.55

≤0.65

CORTEN-A

≤0.12

0.25-0.75

0.20-0.5

0.007-0.15

≤0.03

0.50-1.25

0.25-0.55

≤0.65

Q400NQR1

≤0.12

≤0.75

≤1.10

≤0.025

≤0.008

0.30-1.25

0.20-0.55

0.12-0.65

Q450NQR1

≤0.12

≤0.75

≤1.50

≤0.025

≤0.008

0.30-1.25

0.20-0.55

0.12-0.65

Q500NQR1

≤0.12

≤0.75

≤2.0

≤0.025

≤0.008

0.30-1.25

0.20-0.55

0.12-0.65

Q550NQR1

≤0.16

≤0.75

≤2.0

≤0.025

≤0.008

0.30-1.25

0.20-0.55

0.12-0.65