2019 China New Design AISI 4140/4130/1020/1045 Steel Round Bar/Carbon Steel Round Bar/Alloy Steel Bars Price Per Kg
With trustworthy excellent method, very good standing and excellent client provider, the series of items produced by our firm are exported to many countries and regions for 2019 China New Design AISI 4140/4130/1020/1045 Steel Round Bar/Carbon Steel Round Bar/Alloy Steel Bars Price Per Kg, We sincerely hope to establish some satisfactory relationships with you in the near future. We will keep you informed of our progress and look forward to building steady business relations with you.
With trustworthy excellent method, very good standing and excellent client provider, the series of items produced by our firm are exported to many countries and regions for China Steel Thread Rod and Stainless Steel Round Bar, Our next goal is to exceed the expectations of every client by offering outstanding customer service, increased flexibility and greater value. All in all, without our customers we do not exist; without happy and fully satisfied customers, we fail. We have been looking for the wholesale, Drop ship. Please contact us if you are interesting our items. Hope to do business with you all. High quality and fast shipment!
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