ASTM 1018 Cold Heading Steel Wire Strongth Toughness for Bolt
ASTM 1018 Cold Heading Steel Wire Strongth Toughness for Bolt
| Grade | Chemical Composition | ||||||||
| C | Si | Mn | Cr | V | B | P | S | other | |
| ML20MnTiB | 0.19-0.24 | ≤0.30 | 1.30-1.60 | 0.0005-0.0035 | ≤0.030 | ≤0.030 | Ti:0.04-0.10 | ||
| 4135 | 0.33-0.38 | 0.15-0.35 | 0.60-0.90 | 0.90-1.20 | ≤0.030 | ≤0.030 | Mo:0.15-0.30 | ||
| SCM432 | 0.32-0.40 | 0.17-0.37 | 0.40-0.70 | 0.80-1:10 | ≤0.035 | ≤0.035 | Mo:0.15-0.25 | ||
| ML20MnVB | 0.19～0.24 | ≤0.30 | 1.20～1.60 | 0.07-0.12 | 0.0005-0.0035 | ≤0.030 | ≤0.030 | ||
| 1018 | 0.17-0.24 | 0.17-0.37 | 0.70-1.00 | ≤0.25 | ≤0.035 | ≤0.035 | Cu: ≤0.25; Ni: ≤0.25 | ||
| 1020 | 0.18-0.23 | 0.10-0.40 | 0.30-0.60 | ≤0.040 | ≤0.050 | ||||
| 1022 | 0.17-0.24 | 0.17-0.37 | 0.70-1.00 | ≤0.25 | ≤0.035 | ≤0.035 | Cu: ≤0.25; Ni: ≤0.25 | ||
| 1023 | 0.17-0.23 | 0.17-0.37 | 0.35-0.65 | ≤0.25 | ≤0.035 | ≤0.035 | Cu: ≤0.25; Ni: ≤0.30 | ||
What is Carbob Steel ASTM 1018 ?
ASTM 1018 is suitable for manufacturing small and medium-sized parts with high surface hardness and low core requirements in automobile and general machinery manufacturing industries, such as handbrake shoes and lever shafts on automobiles; In the heavy and medium-sized machinery manufacturing industry, such as forged or pressed pull rods, levers, clamps, etc; It is used to manufacture various mechanical parts with low stress and high toughness under hot rolling or normalizing conditions
Application of Steel 1018:
Transmission shafts, Pistons, Screws, Machine tools, Push plates, Concave die sleeves, Lock wedges, Reset rods, Push rods with large diameters, Core fixing plates and other structures for manufacturing injection moulds
|  |
| Steel grade | Physical Property | |||
| Y.S | T.S | EL. | HRB | |
| 1018 | ≥245 | ≥410 | ≥25 | ≤156 |
| 1020 | ≥245 | ≥410 | ≥25 | ≤156 |
Quality Control：
