Light steel round bar SAE1018 1020/ S20c Ss400/S235jr A36 cold drawn round bar

Product Name:Mild steel SAE1018 1020/S20C SS400/S235JR A36 Cold drawn  round bar bright mild steel round bar manufacturerMild steel is a low carbon steel with a medium manganese content. Has good case hardening properties, fair machinability and is excellent for cold bending and forming operations. Readily welded and b

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Mild steel SAE1018 1020/S20C SS400/S235JR A36 Cold drawn  round bar bright mild steel round bar manufacturer

Mild steel is a low carbon steel with a medium manganese content. Has good case hardening properties, fair machinability and is excellent for cold bending and forming operations. Readily welded and brazed.
1.Mild steel round bar grade
SAE1018 1020/S20C SS400/S235J  A36  bright  surface steel bar
Mild Steel SAE1018 1020/S20c Ss400/S235jr A36 Cold Drawn Round Bar
Mild Steel SAE1018 1020/S20c Ss400/S235jr A36 Cold Drawn Round Bar


2.Chemical composition of mild steel Cold drawn round bar
 Steel gradesCSiMnCrMoNiPSVw
Carbon Structure SteelQ235(B)/SS400/S235JR/A36 0.200.35≤1.40.3-0.4 0.30 0.045≤ 0.045  
 20#/CK22, CK20/1020/
050A20/S20C
0.17-0.230.17-0.370.35-0.650.3-0.4 0.30 0.035≤ 0.035  
 45#/CK45, C45/1045/
080M46/S45C
0.42-0.50.17-0..370.5-0.80.3-0.4 0.30 0.035≤ 0.035  
Alloy Structure Steel20Cr/20Cr4/5120/
527A19/SCr420H
0.18-0.240.17-0.370.50-0.800.70-1.000.150.30 0.035≤ 0.035  
 40Cr/41Cr4/5140/
520M40/SCr440
0.37-0.440.17-0.370.5-0.80.8-1.10.150.30 0.035≤ 0.035  
 30CrMo/4130/
1717COS110/SCM420
0.26-0.340.17-0.370.4-0.70.8-1.10.15-0.250.30 0.035≤ 0.035  
 35CrMo/34CrMo4/
4135/708A37
0.32-0.400.17-0.370.4-0.70.8-1.10.15-0.250.30 0.035≤ 0.035  
 42CrMo/42CrMo4/4140/
708A42/708M40
0.38-0.450.17-0.370.5-0.80.90-1.2   0.15-0.250.30 0.035≤ 0.035  
 8620H0.17-0.230.15-0.350.65-0.950.35-0.650.15-0.250.35-0.75≤0.025≤ 0.035  
 40CrNiMoA/40CrNiMo22/
4340/871M40/SNCM439
0.37-0.440.17-0.370.50-0.800.60-0.900.15-0.251.25-1.65 0.025≤ 0.025  
Spring Steel55Si2Mn/55Si7/9255/
250A53/SUP6
0.52-0.601.50-2.000.60-0.900.35 0.35 0.035≤ 0.035  
 60Si2MnA/65Si7/9260/
250A61/SUP7
0.56-0.641.60-2.000.70-1.000.3-0.4 ≤0.35 0.025≤ 0.025  
 50CrVA/50CrVA/6150/
735A50/SUP10
0.47-0.540.17-0.370.50-0.800.80-1.10≤0.15≤0.30 0.025≤ 0.025  
 GCr15/100Cr6/E52100/
534A99/SUJ2
0.95-1.050.15-0.350.25-0.451.40-1.650.10≤0.30 0.025≤ 0.025  
Bearing  Steel521000.93-1.050.15-0.350.25-0.451.35-1.600.10≤0.25 0.025≤ 0.015  
3.Typical Mechanical Properties of mild steel(SAE1018) - Cold Drawn and Turned and Polished Condition
 
Tensile Strength,MpaMin 440
Yiled Strength,MpaMin 372
Elongation(%)15
Reduction of Area(%)40
Brinell Hardness126

cold drawn steel bar main type and avaliable sizes
 
Round bars5mm-130mm
Suqare bar6*6mm-100*100mm
Flat bars3mm*20mm-50mm*100mm
Hex bars6mm-100mm
Bar FinsihePeeled, Cold Drawn, TurnedTurned & Polished, Centreless Ground
Mild Steel SAE1018 1020/S20c Ss400/S235jr A36 Cold Drawn Round Bar

Our cold drawn factory equipments
Mild Steel SAE1018 1020/S20c Ss400/S235jr A36 Cold Drawn Round Bar
Mild Steel SAE1018 1020/S20c Ss400/S235jr A36 Cold Drawn Round Bar


We adopt advanced production technology and first-class processing equipments, such as heat treatment furnace, straightening machine, centerless grinding machine, polishing machine, as well as lathing and milling machine etc.
Our steel bar mill's certificates
Mild Steel SAE1018 1020/S20c Ss400/S235jr A36 Cold Drawn Round Bar

ISO901&ISO.TS16949,ISO4001,OHSAS18001
Special Equipment Manufacturing License of P.R.C for pipeline plate,steel plate for boiler&Vessel,ISO/TS16949 2009 for Manufacturing of Special steel;
Europe CE Mark Certificate;JIS MARK,KS MARK.
Mild Steel SAE1018 1020/S20c Ss400/S235jr A36 Cold Drawn Round Bar
Mild Steel SAE1018 1020/S20c Ss400/S235jr A36 Cold Drawn Round Bar
Mild Steel SAE1018 1020/S20c Ss400/S235jr A36 Cold Drawn Round Bar
Mild Steel SAE1018 1020/S20c Ss400/S235jr A36 Cold Drawn Round Bar






We do Spectral Tested, Microstructure Tested,Hardness Test,Macrostructure Test,UT test,so we can guarantee the cold drawn steel bar quality.
Our tolerance of cold drawn steel rod can be -0.01mm/+0mm,the straigthness can be 0.02mm/m.Always keep larget cold drawn steel rod stock,the average shipment time 15days,free sample always avaliable.

Mild Steel SAE1018 1020/S20c Ss400/S235jr A36 Cold Drawn Round Bar

Mild Steel SAE1018 1020/S20c Ss400/S235jr A36 Cold Drawn Round Bar


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