
Drill Stabilizer
chemical composition
Grade |
chemical composition% |
||||||||||
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Ni |
Cu |
Al |
V |
|
4145HMOD |
0.42 ~ 0.49 |
0.15~0.35 |
1.00~1.25 |
≤0.025 |
≤0.025 |
1.00~1.35 |
0.30-0.35 |
≤0.25 |
≤0.35 |
≤0.05 |
0.03~0.08 |
Allowable deviation |
±0.02 |
±0.02 |
±0.04 |
±0.005 |
±0.03 |
±0.03 |
±0.02 |
±0.03 |
±0.03 |
±0.01 |
±0.01 |
Mechanical behavior
Yield strength R1 |
Tensile strength Rm |
Elongation A% |
Shrinkage Z% |
Brinell hardness |
Charpy impact work |
|||
MPa |
Psi |
MPa |
Psi |
J |
||||
|
|
|
|
|
|
|
20℃ |
-20℃ |
≥758 |
≥110000 |
≥965 |
≥140000 |
≥13 |
≥45 |
≥285~341 |
≥54 |
≥30 |
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