24 Hours Service
6 Month
Seamless
Hot Rolled
Carbon Steel
Black
Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
Square. Rectangular.Round
Eaf + Lf + Vd + Forged + Heat Treatment
4000mm-15000mm or Cut to Length
Cutting, Bending
Ultrasonic Test
for Parts of Larger Cross-Sections, Cr
Hot Rolled or Cold Rolled
Standard Export Package
Diameter: 16-280mm
China
7208519000
Product Description
Manufacturer Sae 4130 4140 4150 4340 Alloy Carbon Steel Round Bar
Product Name | Sae 1045 4140 4340 8620 8640 Alloy Steel/Alloy Steel Round Bar 4140,Aisi 4140 Steel Price |
Grades | 1045 4140 4340 8620 8640 |
Surface | Black,Polish,Oiled |
Technique | Hot rolled |
Delivery Condition | Black Surface,Rough machined or as required |
Test | 100% Ultrasonic test |
Process | EAF + LF + VD + Forged + Heat Treatment |
Dimension | Diameter : 16mm - 250mm |
Length : 4000-15000mm or cut to length | |
Application | 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. Its die welding material model is CMC-E45. |
Inspection | Mill Test Certificate is supplied with shipment,SGS inspection is accepted if needed |
Package | Standard export seaworthy package or as required. |
Port | Tianjin Port or Customer designated port of destination |
Delivery Time | 5-15 days,according to customers' grades,dimension and quantities |
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, 45MnV, 20CrNiMo, Q345B, 35MnBM,40MnB,36Mn2V, | 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 |
Our company can provide round bar processing service,cutting to length as needs,machining to threaded rod
etc,we can do any processing service according to customers' requirments.

Steel Rod Threaded Rod Process
First:doing heat treatment Q+T for hot rolled round bars to make sure the rods to reach the hardness as required.
Q: Are you a trading company or a manufacturer?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.
FAQ
Third:making turning for the rods by machining.
Forth:making thread on the bright smooth rods.
Fifth:making the nuts match the thread rods.
Packing | 1. by bundles, each bundle weight under 3 tons, for small outer diameter round bar,each bundle with 4 - 8 steel strips. |
2. 20 feet container contains dimension, length under 6000mm | |
3. 40 feet container contains dimension, length under 12000mm | |
4. 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 |

a: Yes, we are manufacturer, not agent. We have our own factory, located in Shandong, China. We have the leading force in
producing and exporting carbon steel galvanized steel pipe. We promise, we're what you want. welcome to contact us!
Q: What is the quality of your products?
a: We have high quality and best products, our products get some good feedback from customers around the world. Once you get our
product, there are some issues in guarantee, we will provide help in the first place.
Q: How long is your delivery time?
a: If the goods are in stock, it is usually 5-10 days. Or 15-20 days, if the goods are not in stock, it is based on the quantity.
Q: Do you provide samples? Is it free or extra?
a: Yes, we can provide samples free of charge, but do not pay freight.
Q: Welded steel pipe be subject to inspection 3?
a: Yeah. BV,SGC are all acceptable.