34crmo4 Alloy Seamless Steel Pipe High Pressure Steel Pipe For Producing
34CrMo4 Steel is a high quality Quenched and Tempered Alloy Structural steel, It belong to the high quality low carbon,Low alloy chromium, molybdenum, nickel case hardening steel. Oil Quenched & Tempered Hardness is 18-22 HRc. Annealing delivery hardenss less than 250HB. With a lower carbon content range, So have good weldability.
Chemical composition
| C(％) | 0.30～0.37 | Si(％) | ≤0.40 | Mn(％) | 0.60～0.90 | P(％) | ≤0.035 |
| S(％) | ≤0.035 | Cr(％) | 0.90～1.20 | Mo(%) | 0.15～0.30 | - | - |
Mechanical Properties of 34CrMo4 Alloy Steel
| Tensile strength | Yield strength | Elongation | Reduction of area | Poisson’s ratio | Impact absorbing energy |
| σb/MPa | σs/MPa | δ5(％) | ψ(％) | - | AKV/J |
| 1100-1300 | 900Min | 10 min | 40 min | 0.27-0.30 | 35 Min |
Applications of 34CrMo4:
DIN 34CrMo4 steel Strength, high hardenability, toughness, and quenching small deformation, high strength and creep rupture strength at high temperatures. Requirements for the manufacture of higher intensity than the 35CrMo steel and tempered forging greater cross-section, such as a large locomotive traction gears, supercharger drive gear, pressure vessels, gear, rear axle, greatly affected by load and spring clip link It can also be used to 2000m deep oil drill pipe joints and fishing tools, and can be used bending machine mold, etc.
