1.6511 Alloy Steel Round Bar High Pressure Steel Pipe For Producing
1.6511|36CrNiMo4 Alloy structural steel properties is very simliar with GB 40CrNiMo steel, JIS SNCM439 and ASTM 4340 Alloy structural steel. At most work environment, 1.6511|36CrNiMo4 is equivalent with 40CrNiMo steel, 4340 steel, SNCM439 steel.
Chemical composition
C(%) | 0.38~0.43 | Si(%) | 0.15~0.35 | Mn(%) | 0.60~0.80 | P(%) | ≤0.035 |
S(%) | ≤0.040 | Cr(%) | 0.70~0.90 | Mo(%) | 0.20~0.30 | Ni(%) | 1.65~2.00 |
Mechanical Properties in Hardening and Tempering Condition
Diameter (mm) | 0.2 % proof stress (N/mm2) | Tensile strength (N/mm2) | Elongation (%) | Reduction of area (%) | Notch impact energy (J) |
<16 | 900 | 1100-1300 | 10 | 45 | 40 |
17-40 | 800 | 1000-1200 | 11 | 50 | 45 |
41-100 | 700 | 900-1100 | 12 | 55 | 50 |
101-160 | 600 | 800-950 | 13 | 60 | 50 |
161-250 | 550 | 750-900 | 14 | 60 | 50 |
Applications
For permanently stressed components with large cross sections for automotive and mechanical engineering. For economic performance under severe dynamic stress, parts must be designed for optimum strength or toughness.