5140 Steel rod, 5140 steel rod Hot Rolled Alloy Steel Round Bar
5140 steel has good comprehensive mechanical properties and is one of the most widely used steel types, used for manufacturing parts of medium speed and medium load, such as machine tool gear, shaft, worm, spline shaft and so on.
AISI 5140 steel also can be called JIS Scr440 and DIN 1.7035 steel. It is one of the alloy steel. And it is one of the most popular steel grades in the productions of the machine. The 5140 steel round bar is on the medium level and it was easy to processing. After tempering and quenching, the toughness, plasticity and wearing resistance of it will get better. Steel normalizing can make the spheroidizing for the organization of steel get easier. And it will raise the machinability of the semi-finished product with the hardness less than 160HBS. Tempering it at the temperature of 550℃-570℃ which can make it get better mechanical property. And the hardenability of it is higher than S45C steel. You can check 5140 Steel chemical composition and heat treatment as below.
| Diameter | 5mm-800mm |
| Length | 100mm-120mm |
| Surface | Forged condition, Annealing , Black or Milled surface |
| Advantages | - High strength,
- High tenacity
- Good hardenability
- High resistance to thermal properties.
- Competitive price
- Fast production leadtime
- All the material are inspected with 3 times to meet the highly standards
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Forged Round Alloy Steel Bar Chemical Composition
| Grade | C | Mn | Si | S | P | Cr |
| 5140 | 0.38-0.43 | 0.7-0.9 | 0.15-0.35 | ≤ 0.035 | ≤ 0.04 | 0.7-0.9 |
| 5145 | 0.43 - 0.48 | 0.70 - 0.90 | 0.15 - 0.30 | ≤0.040 | ≤ 0.035 | 0.70 - 0.90 |
| 5150 | 0.48-0.53 | 0.70 – 0.90 | 0.20-0.35 | ≤ 0.040 | ≤ 0.040 | 0.70-0.90 |
Alloy Bar Mechanical Properties
| Grade | Tensile Strength | Yield Strength | Elongation | Reduction of Area | Impact Charpy-V | HB |
| 5140 | ≥740Mpa | ≥460Mpa | ≥17% | ≥62% | ≥108J | ≤207HB |
| 5145 | ≥1030Mpa | ≥835Mpa | ≥9% | ≥40% | ≥39J | ≤217HB |
| 5150 | ≥1080Mpa | ≥930Mpa | ≥9% | ≥40% | ≥39J | ≤229HB |
Gnee is one of the biggest steel pipe suppliers in China.Established in 2008, our factory is professional and trustworthy.We have built good and stable relationships with many customers in and abroad. Our products have been exported to many countries, such as Asia, India, Middle East, America,Europe,etc.
Our main products:steel pipe,seamless steel pipe,carbon steel pipe,round steel bar,alloy steel pipe,hot rolled carbon steel plate,steel plate,steel pipe mill roll moulds and some other products. We are very glad to establish a long-term business relationship with you on the basis of mutual benefit. If you are interested in any of our products, please feel free to contact us for more information. We believe that we will be your best partner in China.
Q:Can you provide the samples?
A:Samples can be provided with samples charge and courier fee by the buyer's side.
Q:Are the products in stock?
A:Yes.Most of our products are in stock.So we can prompt delivery.
Q:Can you accept customize?
A:Yes.It can be customized as per the customers' request.
Q:What about the quality?
A:According to the standard for production.And we can also accept the third-party inspection
and quarantine.
About the After-Sale Service
1.We are glad that customers can give us some suggestions for price and products.
2.If you have any questions,pls feel free to contact us by email or phone.
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5140 Steel rod, 5140 steel rod Hot Rolled Alloy Steel Round Bar Images
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