20mm ASTM 4140 high strength carbon steel round bar
Round steel is divided into three types: hot rolled, forged and cold drawn. The specifications of hot-rolled round steel are 5.5-250 mm. Among them: 5.5-25 mm small round steel is mostly supplied in bundles of straight strips, which are often used as steel bars, bolts and various mechanical parts; round steel larger than 25 mm is mainly used for manufacturing mechanical parts and tube blanks of seamless steel pipes wait.
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Product Details
Product NameCarbon Steel Round Bar
Length4m-12m or as required
Out Dia20mm-610mm
StandardAISI,ASTM,DIN,JIS,GB,JIS,EN,etc.
TechniqueHot rolled
Surface TreatmentClean, blasting and painting according to customer requirement
Thickness tolerance±0.1mm
MaterialQ195、Q235、10#、20#、35#、45#、Q215、Q345、12Cr1Mov、15CrMo、304、316、20Cr、40Cr、20CrMo、35CrMo、42CrMo、40CrNiMo、GCr15、65Mn、50Mn、50Cr、3Cr2W8V、20CrMnTi、5CrMnMo
ApplicationIt is mainly used to make structural parts such as car girder, beam, transmission shaft and car chassis parts, which can reduce
the weight of the parts.
MOQ1tons.We also can accept sample order.
Shipment timeWithin 15-20 workdays after receiving deposit or L/C
Export packingWaterproof paper, and steel strip packed.
Standard Export Seaworthy Package.Suit for all kinds of transport,or as required
Capacity250,000 tons/year

 

 

materialspecificationmaterialspecificationmaterialspecification
8#-10#∮16-29025#∮16-2803Cr2W8V∮16-300
15#∮14-150YF45MnV∮28-8045Cr50Cr∮20-300
20#∮8-48030#∮6.5-48020CrMnMo∮20-300
35#∮8-48030CrMo∮2840Mn2∮28-60
45#∮6.5-48030CrmnTi∮16-30035Cr∮55
Q235B∮6.5-18060#∮210.∮26015Mn∮32∮170
40Cr∮8-48065Mn∮40-30040CrMnMo∮80-∮160
20Cr∮10-48045Mn2∮18-7520CrMnMo∮20-300
42CrMo∮12-48060Si2Mn∮16-15027 SiMn∮20-350
35crmo∮12-48020CrMnTi∮10-480Crwmn∮20-300
20CrMo∮12-30020crmnTiB∮16-75H13(4Cr5MoSiVi)∮20-300
38CrMoAL∮20-300GCr15∮16-40040CrNiMo∮20-400
5CrMnMo∮20-450ML35∮8-150
16Mn(Q345B)∮14-365T8-T13∮8-480
50Mn∮40-200Cr12∮16-300
15CrMo∮21∮24∮75Cr12MoV∮16-300

 

 

TO THE QUALITY OF SURVIVAL, CREDIBILITY AND DEVELOPMENT

1、HIGH QUALITY RAW MATERIALS

Use high quality raw materials. The material is at the same level.

2、COMPLETE SPECIFICATIONS :

Complete specifications, Sufficient stock, one-stop procure-mentproducts have everything.

3、ADVANCED TECHNOLOGY:

Good quality + ex-factory price +fast response + reliable servicewe strive to provide you

4、SUPPORT OEM:

customized specifications, professional custom

5、INTIMATE AFTERSALES

Ensure service quality and meet customer demand

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Packaging And Transportation

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FAQ

Q: Can I get samples before ordering?
A: Of course. Usually our samples are free, and we can produce according to your samples or technical drawings.
Q: Can I visit your factory?
A: Of course, we welcome customers all over the world to visit our factory.
Q: How can I get a quotation from you?
A: You can leave us a message and we will reply to every message in time. Or we can talk online.
Q: Is there any quality inspection of the products before loading?
A: Of course, all our products are strictly quality tested before packaging, and unqualified products will be destroyed. We absolutely accept third-party inspection.
Q: How long is your delivery time?
A: The delivery time will vary according to the specific requirements and quantity of the order. Generally speaking, the delivery time of standard products is relatively short, while customized products may take longer to produce. We will provide a specific delivery schedule after confirming the order based on your order details.
Q: What are your payment methods?
A: We support a variety of payment methods, including but not limited to telegraphic transfer (T/T), letter of credit (L/C), and third-party payment platforms (such as PayPal, but the specific availability is subject to negotiation between the two parties). To ensure a smooth transaction, we will clearly state the payment terms and conditions in the contract.

Q: What if there is a problem with the product I received?

A: If there is a quality problem with the product you received, we will investigate as soon as possible after receiving your feedback. Once we confirm that the problem does exist, we will provide a solution based on the specific situation, including but not limited to return, exchange, repair or discount. We are always committed to customer satisfaction and ensure that you receive quality products and services.

Q: Do you provide after-sales service?

A: Yes, we provide comprehensive after-sales service. If you encounter any problems or need technical support during the use

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We accept formal third-party testing institutions for testing, we can also send samples to you free of charge, customer satisfaction shopping experience is always our pursuit

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