The document compares the costs of machining steel and brass rods and tubing with different diameters of holes. It provides information on material costs, setup costs, machining costs, production hours, profits, and hourly rates for machining different sized workpieces from steel, brass, and with no hole, a 3/8" diameter hole, or a 0.385 diameter hole. The steel workpiece with no hole had the highest profit of $4.05 per 1000 pieces while the brass with a 3/8" hole had no profit. Machining hourly rates and overhead costs are also listed.

1. B-1113 cold Drawn B-1113 cold Drawn SAE 1020 Steel
Steel rod and Drill Steel rod and Drill a tubing with 0.385
No hole 3/8" dia hole dia hole
Spacers 1000 1000 1000
Material Cost 2.46 2.46 7.20
Scrape value 0.00 0.00 0.00
Net material cost 2.46 2.46 7.20
Setup Charge 0.80 1.00 0.80
Machining charges 34.29 17.78 22.86
Machining Hours 5.40 2.80 3.60
Pricing 37.55 21.24 30.86
Price of 10000 375.50 212.40 308.60
Total Production Hours 54.00 28.00 36.00
Total Profit 40.50 21.00 27.00
% Profit 10.79 9.89 8.75
Total Cost 335.00 191.40 281.60
Profit on 1000 p 4.05 2.10 2.70
Machining Hourly rate 6.35 6.35 6.35
Labor charge 2.25 2.25 2.25
Overhead 3.35 3.35 3.35
Profit 0.75 0.75 0.75
Supervision 0.44 0.44 0.44
depreciation 0.57 0.57 0.57
Indirect labor 0.30 0.30 0.30
Supplies 0.20 0.20 0.20
Tools 0.60 0.60 0.60
Rent & Building Expenses 0.39 0.39 0.39
Power 0.14 0.14 0.14
Selling and admin 0.71 0.71 0.71
Weight of rod/foot in LB
Price of rod/foot 13.01 13.01 4.45
Cost per Lb
Scrap Value per Lb 0 0 0
Weight of scrap
Weight of material needed
Rod size in feet 32.01 32.01 32.01
Price of scrap 0.00 0.00 0.00

2. Brass Rod and drill Brass Rod and drill Brass tubing with
no hole 3/8" dia hole 3/8" dia hole
1000 1000 1000 0.375
10.85 10.85 11.65
0.80 2.72 0.16
10.05 8.13 11.49
0.80 1.00 0.80
8.38 7.05 5.72
1.32 1.11 0.90
19.23 16.18 18.01
192.30 161.80 180.10
13.20 11.10 9.01
9.90 8.33 6.76
5.15 5.15 3.75
182.40 153.47 173.34
0.99 0.83 0.68
6.35 6.35 6.35
2.25 2.25 2.25
3.35 3.35 3.35
0.75 0.75 0.75
0.44 0.44 0.44
0.57 0.57 0.57
0.30 0.30 0.30
0.20 0.20 0.20
0.60 0.60 0.60
0.39 0.39 0.39
0.14 0.14 0.14
0.71 0.71 0.71
1.13 1.13 0.70
2.95 2.95 2.75
0.30 0.30 0.52
0.16 0.16 0.16
5.00 17.00 1.00
36.17 36.17 22.40
32.01 32.01 32.01
0.80 2.72 0.16

3. B-1113 cold Drawn B-1113 cold Drawn SAE 1020 Steel
Steel rod and Drill Steel rod and Drill a tubing with 0.385
No hole 3/8" dia hole dia hole
Spacers 1000 1000 1000
Material Cost 2.46 2.46 7.20
Scrape value 0.00 0.00 0.00
Net material cost 2.46 2.46 7.20
Setup Charge 0.80 1.00 0.80
Machining charges 5.07 2.63 3.38
Machining Hours 2.25 1.17 1.50
Pricing 8.33 6.09 11.38
Price of 10000 83.30 60.90 113.80
Total Production Hours 22.53 11.69 15.02
Total Profit 0.00 0.00 0.00
% Profit 0.00 0.00 0.00
Total Cost 83.30 60.90 113.80
Profit on 1000 p 0.00 0.00 0.00
Machining Hourly rate 2.25 2.25 2.25
Labor charge 2.25 2.25 2.25
Overhead
Profit
Supervision
depreciation
Indirect labor
Supplies 0.20 0.20 0.20
Tools 0.60 0.60 0.60
Rent & Building Expenses
Power 0.14 0.14 0.14
Selling and admin 0.71 0.71 0.71
Weight of rod/foot in LB
Price of rod/foot 13.01 13.01 4.45
Cost per Lb
Scrap Value per Lb 0 0 0
Weight of scrap
Weight of material needed
Rod size in feet 32.01 32.01 32.01
Price of scrap 0.00 0.00 0.00

4. Brass Rod and drill Brass Rod and drill Brass tubing with
no hole 3/8" dia hole 3/8" dia hole
1000 1000 1000 0.375
10.85 10.85 11.65
0.80 2.72 0.16
10.05 8.13 11.49
0.80 1.00 0.80
1.22 1.04 0.84
0.54 0.46 0.37
12.07 10.17 13.13
120.70 101.70 131.30
5.42 4.62 3.73
0.00 0.00 0.00
0.00 0.00 0.00
120.70 101.70 131.30
0.00 0.00 0.00
2.25 2.25 2.25
2.25 2.25 2.25
0.20 0.20 0.20
0.60 0.60 0.60
0.14 0.14 0.14
0.71 0.71 0.71
1.13 1.13 0.70
2.95 2.95 2.75
0.30 0.30 0.52
0.16 0.16 0.16
5.00 17.00 1.00
36.17 36.17 22.40
32.01 32.01 32.01
0.80 2.72 0.16