Q310NQL2 steel and Q310NQL3 steel differences
Both Q310NQL2 steel and Q310NQL3 steel grades are atmoSPHEric corrosion resisting steel for railway rolling stock under the TB/T 1979-2014 standard. We can supply cold rolled Q310NQL2 steel sheet, Q310NQL2 steel coils and Q310NQL3 steel plates and Q310NQL3 steel sections with competitive price.
Below are the comparison of Q310NQL2 steel and Q310NQL3 steel.
Q310NQL2 steel chemical composition(%, by mass)
C |
Si |
Mn |
P |
S |
Cu |
Cr |
Ni |
|
≤0.12 |
0.25-0.75 |
0.20-0.50 |
0.060-0.12 |
≤0.020 |
0.25-0.45 |
0.30-1.25 |
0.12-0.65 |
Q310NQL3 steel chemical composition(%, by mass)
C |
Si |
Mn |
P |
S |
Cu |
Ti |
RE |
|
≤0.12 |
0.20-0.40 |
0.25-0.55 |
0.060-0.12 |
≤0.020 |
0.25-0.45 |
≤0.030 |
0.010-0.040 |
Q310NQL2 and Q310NQL3 steel plates have the same tensile requirements according to TB/T 1979-2014 standard as follows.
Mechanical properties
Grade |
Thick, mm |
Yield strength, MPa |
Tensile strength, MPa |
Flexion ratio |
Elongation, A% |
180°Bend test |
|
Q310NQL3 |
≤4 |
≥310 |
≥440 |
≤0.75 |
≥26 |
D=a |
|
>4 |
D=a |
Q310NQL2 steel and Q310NQL3 steel plates we can supply is 3mm to 400mm in thickness, 600mm to 4800mm in width. For any special size requirement for the atmospheric corrosion resisting steel plates, pls feel free to contact us.
- 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