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
