Product Description
Round steel is a long, solid steel bar with a round cross-section. Its specification is expressed in diameter, unit millimeter (mm)
Classification by process
Round steel is divided into hot rolled, forged and cold drawn three kinds.
Classification by chemical composition
Carbon steel can be divided into low carbon steel, medium carbon steel and high carbon steel according to its chemical composition (that is, carbon content)
Classification by steel quality
According to the quality of steel can be divided into ordinary carbon steel and high-quality carbon steel.
1).Composition:
| C |
Si |
Mn |
Cr |
Mo |
P |
S |
| 0.38-0.43 |
0.15-0.35 |
0.75-1.00 |
0.8-1.10 |
0.15-0.25 |
<0.035 |
<0.04 |
2). Equivalent Grades :
| GB |
DIN |
ASTM |
JIS |
BS |
NF |
| 42CrMo |
1.7225 |
4140 |
SCM440 |
708M40 |
42CD4 |
3). Diameters:18mm-320mm
Length:3.5m-9m or as required
4). Smelting Process:
EAF+LF+VD
Note:EAF=Electric Arc Furnace; LF=Ladle Furnace; VD=Vacuum Degassing;
5). Properties of 4140 alloy steel:
Special alloy steel, engineering steel supplied in quenched and tempered conditions. Very good machinability. High toughness, creep strength, repeated impact resistance.
6). Application of 4140 alloy steel:
Components with high requirements on toughness, e.g. gear wheels, pinions, connecting rods, parts for mechanical engineering
Detailed Photos
Packaging & Shipping
Company Profile
Company Information
Liaocheng Huajian Steel Co.,Ltd is located in Liaocheng, Shandong Province, which is known as "the Water City of Jiangbei", and our company was established in the year 2006. We are a modern private enterprises which are specialized in processing and exporting steel materials in China and win high reputations from our customers.
Our main items are:
1. Cold rolled steel/ galvanized steel/ galvalume steel/ prepainted steel/ corrugated steel
2. steel profiles, such as, steel angle section/ H beams/ I beams/ Channel section etc..
3. HRC MS plate, checkered steel plate, alloy steel plate /coil etc..
4. also the carbon steel/ galvanized steel round and square tubes, and stainless steel etc.
Besides, we can do customization as your demand or samples, etc..
Warmly welcome your esteemed come and visit our company and the production line.
Our current export markets are: Sorth America, North America, Europe,Australia,Africa, Asia, etc..
Adhere to the principle of"fair,objective,scientific,honest management, keeping promises, credibility honoring, following delivery schedule", Liaocheng Huajian Steel Co.,Ltd is willing to establish long-term close cooperation with our customers and make progress together to create a more brilliant future!
Our Advantages
Our Advantages
(1): High quality with reasonable price. (2): Wide excellent experiences with after-sale service.
(3): Every process will be checked by responsible QC which insures every product's quality.
(4): Professional packing teams which keep every packing safely.
(5): Trial order can be done in one week.
(6): Free Samples can be provided as your requirements.
FAQ
1. Minimum Order Quantity?
The MOQ is usually 25 tons or more, it depends .
2. What kind of terms of payment can you accept?
T/T, L/C are available.
3. What grams of the product can you offer?
These products can be customized according to your requirement.
4.Is free sample available?
Yes, free sample is available.
The sample is cost free, but please afford the freight cost, and we will figure it in the order as long as we work together.For those clients who have already established business relation with us, even the freight cost will be free.
5. Can you do Customization & Reproduction if I provide a photo?
Yes, we do Customization & Reproduction service.
6. Does the packaging safe and arrive in good conditions?
Yes, safe Packing guarantee , all the products will arrive your door under good conditions. We response to problem of shipping if there unfortunately is.
7. How long does it usually take to deliver the product?
We will make the shipment to you immediately. It will take about 18 to 40 days arrive worldwide. It de pends on the specific quantity.
8. Is drop shipping available?
Yes, it is, we can send to worldwide.
If you have any questions about our products or our company, please don't hesitate to contact us, we will try our best to serve you well!
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