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s420 cold drawn steel round bar
S420 steel is one kind of low alloy carbon steel grade with minimum yield strength 420MPa. S420 steel is widely used in structural engineering and construction industries.
S420 steel bar has various applications such as components as freight cars, transmission towers, dump trucks, cranes, trailers, bull dozers, excavators, forestry machines, railway wagons etc.
S420 steel grade normalized steel bars. To reach the basic steel mechanical properties of these materials or higher strength, the bars are required to be normalized.
Our company mainly supply this steel grade hot rolled steel round bar, cold drawn steel bar, annealed steel round bar, quenched and tempered steel bar and bright steel round bar.
S420 cold drawn steel bar specification we supply:
|
Sizes |
Wide range from 14mm to 100mm |
|
Tolerances |
Precision to h9, h10, h11 or even small to 0.02mm |
|
Roundness |
75% of diameter tolerance |
|
Straightness |
Good straightness to 0.5mm/m |
|
Surface roughness |
Smooth to 0.8um |
|
Mechanical properties |
Yield strength and tensile strength can be improved |
|
Machining |
Suitable for machining and welding |
S420 steel material chemical composition:
|
C |
Si |
Mn |
S |
P |
|
0.22 MAX |
0.55 MAX |
1.65 MAX |
0.040 MAX |
0.040 MAX |
S420 steel mechanical properties:
|
Material |
Tensile strength |
Yield strength |
Elongation |
Impact |
|
S420JR |
520-680 MPa |
420 MPa min |
18% min |
20.C, 34J |
|
S420J0 |
520-680 MPa |
420 MPa min |
18% min |
0.C, 34J |
|
S420J2 |
520-680 MPa |
420 MPa min |
18% min |
-20.C, 34J |
We can also produce We can also produce polished steel bar, turned steel bar and peeled steel bar and centreless ground bar.
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Main Product:
Cold Drawn Steel Bar,
Bright Steel Bar,
Heat Treated Steel Bar and Tube,
Threaded Rods,
High Strength Steel Tie Rod ,
High Strength Steel Bolts
