AISI 4140 1020 1045 Cold Drawn Structure Mild Carbon/Alloy Forged Bright Cylinder Steel Round Bar Price For Sale
What is steel bar used for?
Steel bars are more commonly known as reinforcing bars or rebars. It is a mesh of steel wires used as a tension device in reinforced concrete and masonry structures to strengthen and aid the base material under tension, which is usually concrete.

Product | Steel round bar |
Outside Dia(mm) | 8mm-650mm |
Technology | hot rolled/cold rolled/cold drawn/forged |
Length | 1-12m/customized |
Other sections | Angle bar/Square bar/Flat bar/Flat bar |
Standard | GB/T799,ASTM A29,A108,A321,A575,BS970,DIN1652,JIS G4051 |
Material | ASTM(1005,1006,1008,1010,1015,1020,1025,1030,1035,1040,1045, 1050,1055,1060,1065,1070,1080,1084,1016,1022) |
DIN(Ck10,Ck15,Ck22,Ck25,Ck30,Ck35,Ck40,Ck45,Ck50, 30Mn4,40Mn4) |
BS(040A04,095M15,045M10,080A40,045M10,080M50) |
GB(Q195, Q235,Q345) |
Surface | Black painted,galvanized |
Advantages | High strength, good weldability, good machining performance, good corrosion resistance |
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15 | 1/2” | 21.3 | 2.11 | 2.77 | 2 | 2.6 | - |
20 | 3/4” | 26.7 | 2.11 | 2.87 | 2.3 | 2.6 | 3.2 |
25 | 1” | 33.4 | 2.77 | 3.38 | 2.6 | 3.2 | 4 |
32 | 1-1/4” | 42.2 | 2.77 | 3.56 | 2.6 | 3.2 | 4 |
40 | 1-1/2” | 48.3 | 2.77 | 3.68 | 2.9 | 3.2 | 4 |
50 | 2” | 60.3 | 2.77 | 3.91 | 2.9 | 3.6 | 4.5 |
65 | 2-1/2” | 73 | 3.05 | 5.16 | 3.2 | 3.6 | 4.5 |
80 | 3” | 88.9 | 3.05 | 5.49 | 3.2 | 4 | 5 |
100 | 4” | 114.3 | 3.05 | 6.02 | 3.6 | 4.5 | 5.4 |
125 | 5” | 141.3 | 3.4 | 6.55 | - | 5 | 5.4 |
150 | 6” | 168.3 | 3.4 | 7.11 | - | 5 | 5.4 |
200 | 8” | 219.1 | 3.76 | 8.18 | - | - | - |


