Q345NQR4 hot rolling steel
TB/T 1979-2014 grade Q345NQR4 is a kind of weathering structural steel for railway rolling stock. Other weathering steel plates with grades Corten A, Corten B, Q355NH steel, astm a588, astm A242 steel with various dimensions are also available.
Material: Q345NQR4 grade
Standard: TB/T 1979-2014
Equivalent: 08CuPVRE hot rolling
Category: corten steel, weathering steel, atmoSPHEric corrosion resisting steel for railway rolling stock
Q345NQR4 chemical composition(heat analysis, %)
C max |
Si |
Mn |
P |
S max |
Cu |
V |
RE |
|
0.12 |
0.20-0.40 |
0.20-0.50 |
0.060-0.12 |
0.020 |
0.25-0.50 |
0.020-0.080 |
0.010-0.040 |
Q345NQR4 mechanical properties
Yield strength (min, Mpa) |
Tensile strength (min, Mpa) |
Elongation % min. |
|
345 |
480 |
24 |
TB/T 1979 Q345NQR4 hot rolling steel is widely used for containers, railway vehicles, construction machinery and construction steel structures, and structural parts.
- ASTM A242 steel plate testing methods and quality control details
- Advantages of ASTM A242 atmospheric corrosion resistant steel plate in construction and structural e
- Surface treatment method of ASTM A242 steel plate
- Application fields of ASTM A242 atmospheric corrosion resistant steel plate
- Performance characteristics of ASTM A242 steel plate
- ASTM A242 STEELWORK,ASTM A242 steel plate
- 0086-18317160019
- [email protected]
- No.230,1st Floor,Building No.1,No.221 Of Huashen Road,Free Trade Area Of Pudong New District,Shanghai China
- Live Chat