Transmission Products (T-1201)

Chance® Helical Round Shaft Products

Chance Round Shaft (RS) Helical Section Properties—Table 6

Section Modulus Inches 3 (cm 3 )

Moment of Inertia Inches 4 (cm 4 ) I x-x, I y-y, I x-y

Product Series

Shaft Size Inches (mm)

Wall Thickness Inches (mm)

Metal Area Inches 2 (cm 2 )

Perimeter Inches (cm)

S y-y

S x-x

S x-y

RS2875.203

2.875 (73)

0.203 (5.2)

1.7 (11.0)

9.0 (22.9)

1.53 (63.7)

1.06 (17.4)

1.06 (17.4)

RS2875.276

2.875 (73)

0.276 (7.0)

2.3 (14.8)

9.0 (22.9)

1.92 (79.4)

1.34 (22.0)

1.34 (22.0)

RS3500.300

3.5 (89)

0.300 (7.6)

3.0 (19.5)

11.0 (27.9)

3.89 (162)

2.23 (36.5)

2.23 (36.5)

RS4500.337

4.5 (114)

0.337 (8.6)

4.4 (28.4)

14.1 (35.9)

9.61 (400.0)

4.27 (70.0)

4.27 (70.0)

RS6625.280

6.625 (168)

0.28 (7)

5.58 (36.0)

20.8 (52.8)

28.1 (1,168)

8.5 (139)

8.5 (139)

RS8625.250

8.625 (219)

0.25 (6)

6.58 (42.5)

27.1 (68.8)

57.7 (2,400)

13.38 (219)

13.38 (219)

Chance Round Shaft (RS) Helix Thickness and Mechanical Strength—Table 7

Default (Standard)

Options

Mechanical Strength kip (kN)

Mechanical Strength kip (kN)

Helix Grade ksi (mPa)

Thickness Inches (mm)

Helix Grade ksi (mPa)

Thickness Inches (mm)

Product Series

RS2875.203

50 (345)

3⁄8 (9.5)

40 (178)

50 (345)

(13)

50 (222)

RS2875.276

80 (552)

3⁄8 (9.5)

60 (267)

50 (345)

(13)

50 (222)

RS3500.300

50 (345)

(13)

60 (267)

50 (345)

3⁄8 (9.5)

50 (222)

ANCHORS, FOUNDATION& INSTALLING TOOLS RS4500.337 80 (552)

(13)

60 (267)

50 (345)

(13)

60 (267)

NOTE: The mechanical strength ratings in Table 7 are minimum values. The helix diameter, grade, and thickness along with the shaft series to which an individual helix is connected effect the mechanical strength rating of a helix. A higher mechanical strength rating of an individual helix is possible depending on the combination of these variables.

Page 286 | July 2016