Advanced Fabricating Machinery, Inc.

Min. Radius for Non-Mandrel Bending on Ineco QB Series
To use the charts below, locate the Tube or Pipe Size on the top row and the Wall Thickness in the left column. The area where they cross represents the min. Centerline Radius (CLR mm) of standard cast tooling. See the chart at the bottom of the page for inch equivalent.  Special tooling for specific CLR in inches is available upon request.

W.T. \ Tube O.D. (inches)

W.T.\" O.D.

1/4

3/8

1/2

5/8

3/4

7/8

1

1⅛

1⅜

1⅝

1⅞

2

2

2

2

2

3

20 ga. (.035")

40

40

40

55

68

68

80

90

112

112

170

170

190

210

225

240

250

260

290

310

340

X

X

18 ga. (.049")

18

40

40

55

68

68

80

90

112

112

150

150

170

210

210

225

240

250

250

270

310

350

350

16 ga. (.065")

10

25

25

55

55

68

68

80

90

112

135

135

170

190

190

210

210

210

225

250

270

350

350

14 ga. (.083")

10

25

25

40

55

55

55

68

90

90

112

112

170

170

170

190

190

190

210

225

250

340

340

13 ga. (.095")

18

25

25

35

40

55

55

55

80

80

90

112

135

135

150

150

170

170

190

210

225

325

325

11 ga. (.120")

 

18

25

35

40

40

55

55

68

80

80

90

112

112

135

135

150

135

190

210

225

X

X

10 ga. (.134")

 

18

18

25

40

40

55

55

68

80

80

80

90

90

112

135

135

135

170

210

X

X

X

Round Solid

10

18

25

40

55

68

80

112

112

135

135

X

X

X

X

X

X

X

X

X

X

X

X

 
 

 

Nominal Pipe Size

Outside Diameter

 

Cast Former Sufficient

Special Steel Tool Required

Sch. 5

Sch. 10

Sch. 40

Sch. 80

Sch. 160

XXS

¼”

0.540”

N/A

-

.065

R25

.088

R25

.119

R25

N/A

-

N/A

-

⅜”

0.675”

N/A

-

.065

R55

.091

R40