- Introduction
- Classification and code
- Similar grades
- For specification
Steel construction steel with a low carbon equivalent, welding performance, high strength, low yield ratio features. These products have passed the JIS certification, is widely used in construction, pipe industry.
Reference list of steel grades and corresponding grades
|
Q/BQB313-2009 |
JIS G3136-2005 |
ISO 24314:2006 |
GB/T19879-2005 |
|
SN400A |
SN400A |
- |
- |
|
SN400B |
SN400B |
S235S |
Q235GJ-C |
|
SN490B |
SN490B |
S325S |
Q345GJ-C |
Upon the Technical agreement
Upon the Technical agreement