Home > Products > Round Bar > Sae 1045 4140 4340 8620 8640 Alloy Steel/Alloy Steel Round Bar 4140,AISI 4140 Steel Price
Sae 1045 4140 4340 8620 8640 Alloy Steel/Alloy Steel Round Bar 4140,AISI 4140 Steel Price
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Product Description
Product Description

Sae 1045 4140 4340 8620 8640 Alloy Steel Round Bar,AISI 4140 Steel Price | ||
Standard | JIS / ASTM / GB / DIN / EN /AISI | |
Diameter | 5-250mm or be required | |
Length | 4000-15000mm or be required | |
Technique | Hot Rolled / Forged / Cold Drawn | |
Package | Export standard package, bundled or be required | |
Delivery Time | 7-20 days (depends on the products and quantities) | |
Weight/m | dia(mm)*dia(mm)*0.00617= kg/m | |
Weight/pc | dia(mm)*dia(mm)*0.00617* length(m)/pc= kg/pc | |




Round steel bar can be divided into low carbon steel, medium carbon steel and high carbon steel according to chemical composition; it can be divided into carbon structural steel and carbon tool steel according to the application; it can be divided into hot rolled steel, forged steel and cold drawn steel according to the type of process.Round steel's category, grades, sizes and standard as shown below.
Product Specifications:
Category | Grades | Sizes | Standard |
Carbon structure steel | Q195, Q215, Q235, Q275 | 16mm-250mm | GB/T700-2006 |
Low alloy high strength structure steel | Q295, Q345, Q390, Q420, Q460 | 16mm-250mm | GB/T1591-2008 |
Prime Carbon structure steel | 10#, 20#, 35#, 45#, 60#, 20Mn, 65Mn, B2, B3, JM20, SH45,S45C, C45 | 16mm-250mm | GB/T699-1999 |
Alloy structure steel | 30Mn2,40Mn2,27SiMn,42Crmo,20Cr,40Cr,20CrMo,35CrMo, 20CrMnTi,30CrMnTi,20MnVB, 20MnTiB,20CrNiMo,Q345B, 35MnBM,40MnB,36Mn2V,45MnV | 16mm-250mm | GB/T3077-1999 |
Spring Steel | 65Mn, 60Si2Mn, 50CrVA | 16mm-250mm | GB/T1222-84 |
Bearing Steel | GCr15, GCr15GD,55SiMoV | 16mm-250mm | GB/T18254-2002 |
Structural steels subject to end-quench hardenability requirements | 20CrMnTi, 30CrMnTi,20Cr, 40Cr,30CrMo,42CrMoA, 27SiMn,40Mn2H,20CrNiMo, 40Mn2,q345b,35MnBM, 40MnB,45MnV. | 16mm-250mm | GB/T5216-2004 |
Oil wells structural steel | 37Mn5, 36Mn2V | 16mm-250mm | Q/LYS248-2007 |
Marine anchor chain steel | CM490, CM690, M30Mn2 | 16mm-250mm | YB/T66-1987 GB/T18669-2002 |
Limestone,iron ore,coal and other raw materials can be made into different steel products through a series of processing processes.Steel bars,steel coils,steel sheets, steel beams, seamess pipe and tubes,spiral pipe and tubes etc all can be processed.The specific processing process is shown in the figure below.
Production Flow:

Product Display:



Steel Round Bar Processing
We can also supply steel round bar fabrication process,can do many process, supply various round rod processing products.Also can do customized products according to your needs.




Steel Rod Threaded Rod Process
First:Doing geat treatment Q+T for hot rolled round bars to make sure the rods to reach the hardness as required.Second:Doing UT to test the rods after heat treatment.
Third:Making turning for the rods by machining.
Forth:Making thread on the bright smooth rods.
Fifth: Making the nuts match the thread rods.




Package&Delivery
Packaging | 1. by bundles, each bundle weight under 3 tons, for small outer diameter seamless steel pipe, each bundle with 4 - 8 steel strips. 2. after making by bundle, covered with Polyethylene waterproof cloth. 3. make black paints painting on each pipe, then make bundles |
20 feet container contains dimension | Length under 6000mm |
40 feet container contains dimension | Length under 12000mm |
By bulk vessel | Freight charge is low by bulk cargo, and large heavy sizes can not be loaded into containers can shipping by bulk cargo |


Company Profile

Tianjin Emerson Commercial and Trade Co.,Ltd mainly provides steel plate, steel sheet, steel pipe,seamless steel pipe and tube, round bars and steel section, and doing steel products processing service: steel plate and sheet processing service. The processing works concludes cutting the larger plate into the small sizes customer demand, cut by drawing, cut to special sizes, weld the cut parts by drawing, also make galvanizing processing or surface painting on the final processed parts; steel pipe,hollow bar cutting and lathe processing to make the outer diameter and wall thickness to meet customers requirement, also make heat treatment for hollow bars and pipes. Tianjin Emerson Commercial and Trade Co.,Ltd has large stocks for the carbon steel and low alloy steel plates and sheets, especially have the thick plate and heavy plates on stock, also can provide the special material and large size steel plates, boiler and pressure vessel steel plate, marine steel plate, hot rolled steel plate for new production. Tianjin Emerson Commercial and Trade Co.,Ltd also has large stock for hollow bars, thick wall seamless pipes and tubes.
Tianjin Emerson hopes to build good cooperation with everyone interested.

Why Choose Us?
Advantages---OEM Customized Fabrication Service.Special sizes,Special Grades,Small Quantity,Super Fast Delivery.
Products---European Standard,American Standard,High Prime Quality with Short Production Time.
Service---24 Hours Per Day Online Service,Feedback In 1 Hour,Quotation Can Be Send In 30 Minutes.
Other Products
Our company offers kinds of steel products,such as beam,seamless pipe,stainless coil,checker plate,deformed bar,square tube,forged bar,round rod,stainless steel pipe,galvanized tube,square bar,spiral pipe etc.












Our company can supply various steel products,also can do OEM customized service, process different shapes and sizes steel products,we can provide various products to meet your needs.
Please feel free to contact me if you have any requirments.
Contact Us
- Tianjin Emerson Commercial And Trade Co., Ltd.
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