Standard Stock Sizes and Weight Chart for Continuous Gray and Ductile Iron
Superior cast iron rounds, bars, plates, and pipes
Lawton AIABar stocks high-quality cast iron stock for manufacturers in Wisconsin and nationwide. View the chart below for our standard stock sizes of continuous gray and ductile iron, along with their corresponding weights. You may order our CC-2 class 40 gray iron, CC-3 65-45-12, or CC-4 80-55-06 ductile irons as raw stock or as custom castings, depending on the breadth of services you require. Our offerings are designed to align with industry-standard stock sizes, ensuring consistent quality and reliability.
- Centerless grinding and peeling
- Boring and rough turning
- Pre-machined and machine complete
- Cut to length, production, and short runs
- Plate cutting
As Cast Bars
Finished dia in inches
Avg, Stock Allowed
Est lb per inch
Est lb per Bar
.625
.085
.10
8
.750
.085
.15
11
.875
.085
.19
14
1.000
.085
.25
18
1.125
.085
.31
22
1.250
.085
.38
27
1.375
.085
.44
32
1.500
.085
.53
38
1.625
.085
.61
44
1.750
.085
.71
51
1.875
.085
.81
58
2.000
.085
.90
65
2.125
.110
1.04
75
2.250
.110
1.17
84
2.375
.110
1.29
93
2.500
.110
1.42
102
2.625
.110
1.56
112
2.750
.110
1.71
123
2.875
.110
1.86
134
3.000
.110
2.01
145
3.125
.125
2.21
159
3.250
.125
22.38
171
3.375
.125
2.56
184
3.500
.125
2.74
197
3.625
.125
2.93
211
3.750
.125
3.13
225
3.875
.125
3.33
240
4.000
.125
3.54
255
4.250
.140
4.01
289
4.500
.140
4.49
323
4.750
.140
4.97
358
5.000
.140
5.50
396
5.250
.155
6.03
438
Finished dia in inches
Avg, Stock Allowed
Est lb per inches
Est lb per Bar
5.500
.155
6.67
480
5.750
.155
7.26
523
6.000
.155
7.89
568
6.250
.170
8.58
618
6.500
.170
9.26
667
6.750
.170
9.97
718
7.000
.170
10.71
771
7.250
.190
11.53
830
7.500
.190
12.53
889
7.750
.190
13.13
945
8.000
.190
13.96
1005
8.250
.216
14.92
1074
8.500
.216
15.82
1139
8.750
.216
16.74
1205
9.000
.216
17.68
1273
9.250
.254
18.76
1351
9.500
.254
19.81
1426
9.750
.254
20.83
1500
10.000
.254
21.89
1576
10.250
.400
23.61
1700
10.500
.400
24.74
1781
11.000
.400
27.06
1948
11.500
.582
30.38
2187
12.000
.582
32.94
2372
12.500
.582
35.63
2565
13.000
.582
38.40
2765
14.000
.582
44.25
3186
15.000
.582
50.54
3639
16.000
.582
57.24
4121
17.000
.762
73.26
5275
18.000
.762
81.29
5853
20.000
.762
89.74
6461
Centerless Ground Bars
Finished dia in Inches
Est. lb per inch
Est. lb per bar
.625
.08
6
.750
.13
9
.875
.17
12
1.000
.21
15
1.125
.28
20
1.250
.33
24
1.375
.40
29
1.500
.49
35
1.625
.53
38
1.750
.63
45
1.875
.72
52
2.000
.82
59
2.125
.93
67
2.250
1.04
75
2.375
1.17
84
2.500
1.29
93
2.625
1.42
102
2.750
1.58
114
2.875
1.71
123
3.000
1.88
1.35
3.125
2.03
146
3.250
2.19
158
3.375
2.36
170
3.500
2.56
184
3.625
2.74
197
3.760
2.92
210
3.875
3.13
225
4.000
3.33
240
4.250
3.78
275
4.500
4.24
305
ROS: .750" to 22" DIA.
SQ & RECT: 2" x 2" up to 16" x 22" x 72"
Plate: Custom cut
* NOTE: All sizes shown in the brochure are standard production sizes. Actual in-house stock will vary.
**NOTE: Longer lengths are available upon request. Std. 72"
*** NOTE: Ductile starts at 1.500"
