S20C S45C SCM440 / 1020 1045 4140 Hot rolled steel square bars
1.Products :SAE 1020 / SAE 1045 / SAE 4140 Hot Rolled Steel Square Bar
Grades:SAE 1020 1045 4140 S20C S45C SCM440
Delivery condition :Hot rolled, surface black.
Packing : by bundles.
2.SAE 1020 1045 4140 steel chemical composition
| Grade |
C |
Si |
Mn |
P |
S
|
Cr |
Mo |
| 1020 |
0.17-0.23 |
0.17-0.37 |
0.35-0.65 |
Max 0.030 |
Max 0.030
|
Max 0.25 |
|
| 1045 |
0.42-0.50 |
0.17-0.37 |
0.50-0.80 |
Max 0.030 |
Max 0.030
|
Max 0.25 |
|
| 4140 |
0.38-0.45 |
0.17-0.37 |
0.50-0.80 |
Max 0.030 |
Max 0.030
|
0.9-1.2 |
0.15-0.25 |
3.Delievery condition:
1.Both end of each bar must be cut.
2.Show Heat No. on each bar
3.Surface condition: The surface of the bar shall be free cracks, scar and wrinkles at affect the use of the billets.
In case there is the above-mentioned defect.it shall be removed.
4.The mill test certificate shall show the chemical composition, and it is guaranteed that the chemical composition
4.Steel square bar sizes we can offer
Sizes:15X15mm-150X150mm
Length:1-10m ,as required
5.Capacity of our factory:3000tons per month
6.MOQ:5tons
7.Delivery time : 7-30 days based on the sizes and quantity.
8.Payment term:TT or LC.
9.Applications of Square Bars
1): Can be used in many fields such as building, automobile, shipbuilding, petrochemical, machinery, medicine, food, electric power, energy, space, building and decoration, etc.
2): Can be made into mould template, mortise pin, column
3): This kind of steel have good mechanical property, is widely used in structural parts which may support stress alternation, especially made into some connecting rods, bolts, wheel gear...
4): This kind of steel is the most common blanks and materials of shaft parts.l
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