TOOL RATING AND ROLL SELECTION
ORIGINAL GROOVE SYSTEM (OGS) ROLLS FOR CARBON STEEL AND STAINLESS
STEEL PIPE
Pipe Size
Dimensions - inches/millimeters
OGS
Roll Set
Part Numbers
Nominal Size
inches or mm
Actual
Outside
Diameter
inches/mm
Steel Pipe
Wall Thickness †
Stainless Steel Pipe
Wall Thickness
Minimum
Maximum
Minimum
Maximum
2
2.375
0.065
0.154
0.154
0.154
Roll Set
R902321203
60.3
1.7
3.9
3.9
3.9
21/2
2.875
0.083
0.203
0.203
0.203
73.0
2.1
5.2
5.2
5.2
3
3.500
0.083
0.216
0.216
0.216
88.9
2.1
5.5
5.5
5.5
31/2
4.000
0.083
0.226
0.226
0.226
101.6
2.1
5.7
5.7
5.7
4
4.500
0.083
0.237
0.237
0.237
Roll Set
R904321206
114.3
2.1
6.0
6.0
6.0
5
5.563
0.109
0.258
0.258
0.258
141.3
2.8
6.6
6.6
6.6
6
6.625
0.109
0.280
0.280
0.280
168.3
2.8
7.1
7.1
7.1
8
8.625
0.109
0.322
0.322
0.322
Roll Set
R908321212
219.1
2.8
8.2
8.2
8.2
10
10.750
0.134
0.250
0.250
0.250
273.0
3.4
6.4
6.4
6.4
12
12.750
0.156
0.250
0.250
0.250
323.9
4.0
6.4
6.4
6.4
†
Maximum ratings on steel are limited to pipe of a Brinnel Hardness Number (BHN) of 150 BHN and less
24
REV_B
TM-RG3212
/ Operating and Maintenance Instructions Manual
