Customization: | Available |
---|---|
After-sales Service: | Yes |
Warranty: | Yes |
Still deciding? Get samples of US$ 1/Piece
Request Sample
|
Suppliers with verified business licenses
Audited by an independent third-party inspection agency
Application
|
UIC54
|
UIC60
|
115RE, ,50kg rail, 60kg rail,
BS80lbs, BS100lbs, ect.
|
Name
|
QT500-7
|
QT450-10
|
QT400-15
|
Standard
|
GB 1348-88
|
GB 1348-88
|
GB 1348-89
|
Chemical
composition(%)
|
C:3.60-3.80
|
C:3.40-3.90
|
C:3.50-3.60
|
C:3.60-3.80
|
Mn:0.2-0.5
|
Mn:≤0.5
|
|
Si:2.50-2.90
|
Si:2.70-3.00
|
Si:3.0-3.2
|
|
P:≤0.08
|
P:≤0.07
|
P:≤0.07
|
|
S:≤0.025
|
S:≤0.03
|
S:≤0.02
|
|
Tensile Strength
|
≥500 Mpa
|
≥450 Mpa
|
≥400 Mpa
|
Yield Strength
|
≥320 Mpa
|
≥310 Mpa
|
≥250 Mpa
|
Elongation(%)
|
≥7
|
≥10
|
≥15
|
Hardness
|
170~230HB
|
160~210HB
|
130~180HB
|
Metallographic
organization
|
ferrite & pearlite
|
graphite & ferrite & pearlite
|
ferrite
|
Material | Tensile Strength(Mpa) | Yield Strength(Mpa) | Elongation(%) |
QT400-15(GGG40) | 400 | 250 | 15 |
QT450-10(GGG45) | 450 | 310 | 10 |
QT500-7 (GGG50) | 500 | 320 | 7 |
Material | C | Si | Mn | P | S |
QT400-15 | 3.6-.36 | 3.0-3.2 | 0.5 | 0.07 | 0.02 |
Qt450-10 | 3.4-3.9 | 3.7-3.0 | 0.5 | 0.07 | 0.03 |
QT500-7 | 3.4-3.8 | 2.5-2.9 | 0.6 | 0.08 | 0.025 |
Material | Application |
QT400-15(GGG40) | 115RE, ,50kg rail, 60kg rail,BS80lbs, BS100lbs, ect. |
QT450-10(GGG45) | UIC60 |
QT500-7 (GGG50) | UIC54 |