Oh_yeah_work_feat_sean_p_of_youngbloodz_and_e_40 May 2026
As the sun began to rise, the diamonds on their necks twinkled in the early morning light. They had moved the "work," avoided the "police," and secured the "knot" in their pockets. For them, the work never stopped; it just transformed from the shadows of the street to the glow of the limelight. Oh Yeah (Work) (feat. Sean P. of YoungBloodZ and E-40)
: E-40, the veteran of the Bay Area, arrived with wisdom and flair. He spoke in riddles of "chips" and "rugas," warning the crew that while they were living for the moment, they had to stay sharp to keep from going broke ever again. The Limelight oh_yeah_work_feat_sean_p_of_youngbloodz_and_e_40
Scrappy pulled up to a dimly lit warehouse where the "work" was being managed. Sean P. was already there, leaning against a car with "big wheels," his presence commanding the room like the "noise of a tuba". They were the kings of the grind, turning "nothing into something" as they cranked up the scale to weigh the night's success. As the sun began to rise, the diamonds
The 2006 track by Lil Scrappy featuring Sean P. of YoungBloodZ and E-40 serves as the backdrop for a story about the relentless hustle and high-stakes lifestyle of the mid-2000s Southern rap scene. The Midnight Grind Oh Yeah (Work) (feat
Fig. 1.
Groove configuration of the dissimilar metal joint between HMn steel and STS 316L
Fig. 2.
Location of test specimens
Fig. 3.
Dissimilar metal joints for welding deformation measurement: (a) before welding, (b) after welding
Fig. 4.
Stress-strain curves of the DMWs using various welding fillers
Fig. 5.
Hardness profiles for various locations in the DMWs: (a) cap region, (b) root region
Fig. 6.
Transverse-weld specimens of DN fractured after bending test
Fig. 7.
Angular deformation for the DMW: (a) extracted section profile before welding, (b) extracted section profile after welding.
Fig. 8.
Microstructure of the fusion zone for various DSWs: (a) DM, (b) DS, (c) DN
Fig. 9.
Microstructure of the specimen DM for various locations in HAZ: (a) macro-view of the DMW, (b) near fusion line at the cap region of STS 316L side, (c) near fusion line at the root region of STS 316L side, (d) base metal of STS 316L, (e) near fusion line at the cap region of HMn side, (f) near fusion line at the root region of HMn side, (g) base metal of HMn steel
Fig. 10.
Phase analysis (IPF and phase map) near the fusion line of various DMWs: (a) location for EBSD examination, (b) color index of phase for Fig. 10c, (c) phase analysis for each location; ① DM: Weld–HAZ of HMn side, ② DM: Weld–HAZ of STS 316L side, ③ DS: Weld–HAZ of HMn side, ④ DS: Weld–HAZ of STS 316L side, ⑤ DN: Weld–HAZ of HMn side, ⑥ DN: Weld–HAZ of STS 316L side, (the red and white lines denote the fusion line) (d) phase fraction of Fig. 10c, (e) phase index for location ⑤ (Fig. 10c) to confirm the formation of hexagonal Fe3C, (f) phase index for location ⑤ (Fig. 10c) to confirm no formation of ε–martensite
Fig. 11.
Microstructural prediction of dissimilar welds for various welding fillers [34]
Fig. 12.
Fractured surface of the specimen DN after the bending test: (a) fractured surface (x300), (b) enlarged fractured surface (x1500) at the red-square location in Fig. 12a, (c) EDS analysis of Nb precipitates at the red arrows in Fig. 12b, (d) the cross-section(x5000) of DN root weld, (e) EDS analysis in the locations ¨ç–¨é in Fig. 12d
Fig. 13.
Mapping of Nb solutes in the specimen DN: (a) macro view of the transverse DN, (b) Nb distribution at cap weld depicted in , (c) Nb distribution at root weld depicted in
Table 1.
Chemical composition of base materials (wt. %)
|
C |
Si |
Mn |
Ni |
Cr |
Mo |
| HMn steel |
0.42 |
0.26 |
24.2 |
0.33 |
3.61 |
0.006 |
| STS 316L |
0.012 |
0.49 |
0.84 |
10.1 |
16.1 |
2.09 |
Table 2.
Chemical composition of filler metals (wt. %)
| AWS Class No. |
C |
Si |
Mn |
Nb |
Ni |
Cr |
Mo |
Fe |
| ERFeMn-C(HMn steel) |
0.39 |
0.42 |
22.71 |
- |
2.49 |
2.94 |
1.51 |
Bal. |
| ER309LMo(STS 309LMo) |
0.02 |
0.42 |
1.70 |
- |
13.7 |
23.3 |
2.1 |
Bal. |
| ERNiCrMo-3(Inconel 625) |
0.01 |
0.021 |
0.01 |
3.39 |
64.73 |
22.45 |
8.37 |
0.33 |
Table 3.
Welding parameters for dissimilar metal welding
| DMWs |
Filler Metal |
Area |
Max. Inter-pass Temp. (°C) |
Current (A) |
Voltage (V) |
Travel Speed (cm/min.) |
Heat Input (kJ/mm) |
| DM |
HMn steel |
Root |
48 |
67 |
8.9 |
2.4 |
1.49 |
| Fill |
115 |
132–202 |
9.3–14.0 |
9.4–18.0 |
0.72–1.70 |
| Cap |
92 |
180–181 |
13.0 |
8.8–11.5 |
1.23–1.59 |
| DS |
STS 309LMo |
Root |
39 |
68 |
8.6 |
2.5 |
1.38 |
| Fill |
120 |
130–205 |
9.1–13.5 |
8.4–15.0 |
0.76–1.89 |
| Cap |
84 |
180–181 |
12.0–13.5 |
9.5–12.2 |
1.06–1.36 |
| DN |
Inconel 625 |
Root |
20 |
77 |
8.8 |
2.9 |
1.41 |
| Fill |
146 |
131–201 |
9.0–12.0 |
9.2–15.6 |
0.74–1.52 |
| Cap |
86 |
180 |
10.5–11.0 |
10.4–10.7 |
1.06–1.13 |
Table 4.
Tensile properties of transverse and all-weld specimens using various welding fillers
| ID |
Transverse tensile test
|
All-weld tensile test
|
| TS (MPa) |
YS (Ϯ1) (MPa) |
TS (MPa) |
YS (Ϯ1) (MPa) |
EL (Ϯ2) (%) |
| DM |
636 |
433 |
771 |
540 |
49 |
| DS |
644 |
433 |
676 |
550 |
42 |
| DN |
629 |
402 |
785 |
543 |
43 |
Table 5.
CVN impact properties for DMWs using various welding fillers
| DMWs |
Absorbed energy (Joule)
|
Lateral expansion (mm)
|
| 1 |
2 |
3 |
Ave. |
1 |
2 |
3 |
Ave. |
| DM |
61 |
60 |
53 |
58 |
1.00 |
1.04 |
1.00 |
1.01 |
| DS |
45 |
56 |
57 |
53 |
0.72 |
0.81 |
0.87 |
0.80 |
| DN |
93 |
95 |
87 |
92 |
1.98 |
1.70 |
1.46 |
1.71 |
Table 6.
Angular deformation for various specimens and locations
| DMWs |
Deformation ratio (%)
|
| Face |
Root |
Ave. |
| DM |
9.3 |
9.4 |
9.3 |
| DS |
8.2 |
8.3 |
8.3 |
| DN |
6.4 |
6.4 |
6.4 |
Table 7.
Typical coefficient of thermal expansion [26,27]
| Fillers |
Range (°C) |
CTE (10-6/°C) |
| HMn |
25‒1000 |
22.7 |
| STS 309LMo |
20‒966 |
19.5 |
| Inconel 625 |
20‒1000 |
17.4 |