China Cheap price Hot Rolled Ms Mechanical Alloy Steel 4130 4340 Steel Round Rod Bar
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Products Description
| Product Name | Carbon steel round bar | |
| Material | ASTM |
1005,1006,1008,1010,1015,1020,1025,1030,1035,1040,1045, 1050,1055,1060,1065,1070,1080,1084,1016,1022,4130,4140,4340 |
| DIN | Ck10,Ck15,Ck22,Ck25,Ck30,Ck35,Ck40,Ck45,Ck50, 30Mn4,40Mn4 | |
| BS | 040A04,095M15,045M10,080A40,045M10,080M50 | |
| GB | Q195, Q235,Q345 | |
| Standard | GB/T799,ASTM A29,A108,A321,A575,BS970,DIN1652,JIS G4051 | |
| Surface | Black painted,galvanized | |
| Specifications | Round bar | 8mm~800mm |
| Angle bar | 3mm*20mm*20mm~12mm*800mm*800mm | |
| Square bar | 4mm*4mm~100mm*100mm | |
| Flat bar | 2*10mm~100*500 | |
| Hexagonal | 4mm~800mm | |
| Length | 2m,4m,5.8m,6m,11.8m,12m or as required. | |
Conditions of heat treatment 1.Annealing: 880℃ Furnace cooling 2.Normalization: 880~870℃ Air cooling 3.Hardening: 820~870℃ Water cooling 4.Tempering: 550~650℃ Rapid cooling
Mechanical Properties
(1) Material Tensile strength (kgf/mm²): >58 Yield strength (kgf/mm²): >35 Elongation (%): >20 Cross section reduction rate (%): >45 Hardness (Hb): 167~229 (2) After heat treatment Tensile strength (kgf/mm²): >70 Yield strength (kgf/mm²): >50 Elongation (%): >17 Cross section reduction rate (%): >45 Hardness (Hb): 201~269 Mechanical Properties can be gotten by diffierent heat treament Carbon Round Steel Bar Slices
