| Standard: | AISI, JIS, ASTM, DIN, BS, GB |
|---|---|
| Certification: | ABS, RoHS |
| Technique: | Hot Rolled |
| Wall Thickness: | Thick |
| Surface Treatment: | Black |
| Alloy: | Non-alloy |
| Samples: |
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| Customization: |
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Suppliers with verified business licenses
Audited Supplier | Products | Size(mm) |
| Hot Rolled Rectangle Steel Bar | (6-8)X(75-150)(8-9)X(65-160) |
| (10-20)X(60-210)(20-30)X(40-210) | |
| (30-40)X(35-210)(40-50)X(40-200) | |
| (50-60)X(50-180)(60-70)X(60-140) | |
| (70-100)X(70-120)(100-110)X(100-180) | |
| Hot Rolled Square Steel Bar | 20X20-150X150 |
| Hot Rolled Steel Profile | As per drawing |
1.Both end of each bar must be cut.
2.Ladle furnanced and vacuum de-gassed
3.Show heat No. on each bar
4.Surface condition the surface of the hot rolled square bar shall befree cracks, scar and wrinkles that affect the use of the billets. In case there is the above-mentioned defect, it shall be remove.
5.The mill test certificate shall show the chemical composition, and it is guaranteed that the chemical composition shall be within the limit stipulated in the contract
3.Application for 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.
4.Chemical composition of 1020 & 1045
| Grade | C | Si | Mn | P | S | Cr | Ni |
| 1020 | 0.17 | 0.17 | 0.35 | ≤0.03 | ≤0.03 | ≤0.25 | ≤0.30 |
| 0.23 | 0.37 | 0.65 | |||||
| 1045 | 0.42 | 0.17 | 0.5 | ≤0.03 | ≤0.03 | ≤0.25 | ≤0.30 |
| 0.5 | 0.37 | 0.8 |
5.Physical Property of 1020 & 1045
| Grades | 1020 | 1045 |
| Hardness | 156HB | 229HB |
| Tensile strength | 410MPA | 600MPA |
| Yield strength | 245MPA | 355MPA |
| Elogation | 25% | 16% |
| Reduction of area | 55% | 40% |
| AKV(impact value) | 54J | 39J |
6.Packing :
1): Paint oil on the surface to protect steel bars from rusting.
2): Bundle packing by Iron Strips.
3): Bundle weight is from 2mt to 3 mt.
4): Two or three tags will be attached on each bundle.
7.MOQ:5tons
8.Delivery time:7-30 days upon to the order details
9.Trade term: FOB CFR CIF EXW and so on
10.. Mark: including steel material, heat No., pieces, weight, date and so on.
11.The Main Materials for our steel square bar supplied:
Carbon steel: A36,1008,1010, 1020/S20C, 1045/S45C, S235JR/Q235,ST52 /S355JR/Q345,
Alloy steel: 5120,5140/40Cr, 4120, 4130, 4135, 4140/EN19/42CrMoA, 4145, 4150, 8620 etc.
Bearing steel: 52100/GCr15 etc.
12.Advantages
1.Mature technology,low cost
2.The short flow,fast delivery
3.Standard operation,Extremely high consistency quality of goods.
13.Payment terms: T/T or L/ C
(1)30% paid by T/T and rest 70% by T/T upon the copy of B/B.
(2)100% irrevocable L/C at sight
Suppliers with verified business licenses
Audited Supplier 
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