Manitowoc National Crane NBT40 Series - Page 193

9
National Crane Published 8-01-2017 Control # 287-11 9-15
NBT40 SERVICE MANUAL CRANE INSTALLATION
If you have any questions concerning frame strength or
reinforcing, contact National Crane before proceeding.
Thickness 3/16 in. (4.76 mm)
D in. (mm)
W in. (mm)
2.5 (64) 3 (76) 3.5 (89) 4 (102)
8 (203) 5.3 (87) 6.0 (98) 6.7 (110) 7.5 (123)
in
3
(cm
3
)
9 (229) 6.3 (103) 7.1 (116) 7.9 (130) 8.7 (143)
10 (254) 7.3 (120) 8.2 (134) 9.1 (149) 10.0 (164)
11 (279) 8.4 (138) 9.4 (154) 10.4 (170) 11.4 (187)
12 (305) 9.5 (156) 10.6 (174) 11.7 (192) 12.8 (210)
13 (330) 10.8 (177) 11.9 (195) 13.1 (215) 14.3 (234)
14 (356) 12.0 (197) 13.3 (218) 14.6 (239) 15.9 (261)
15 (381) 13.4 (220) 14.7 (241) 16.1 (264) 17.5 (287)
TABLE A
Section Modulus in
3
(cm
3
)
Thickness 1/4 in. (6.35 mm)
D in. (mm)
W in. (mm)
2.5 (64) 3 (76) 3.5 (89) 4 (102)
8 (203) 6.9 (113) 7.8 (128) 8.8 (144) 9.7 (159)
in
3
(cm
3
)
9 (229) 8.2 (134) 9.2 (151) 10.3 (169) 11.4 (187)
10 (254) 9.5 (156) 10.7 (175) 11.9 (195) 13.1 (215)
11 (279) 11.0 (180) 12.3 (202) 13.6 (223) 14.9 (244)
12 (305) 12.5 (205) 13.9 (228) 15.3 (251) 16.8 (275)
13 (330) 14.1 (231) 15.6 (256) 17.2 (282) 18.8 (308)
14 (356) 15.8 (259) 17.5 (287) 19.1 (313) 20.8 (341)
15 (381) 17.5 (287) 19.3 (316) 21.2 (348) 23.0 (377)
Thickness 5/16 in. (7.9 mm)
D in. (mm)
W in. (mm)
2.5 (64) 3 (76) 3.5 (89) 4 (102)
8 (203) 8.4 (138) 9.5 (156) 10.7 (175) 11.9 (195)
in
3
(cm
3
)
9 (229) 10.0 (164) 11.3 (185) 12.6 (206) 13.9 (228)
10 (254) 11.6 (190) 13.1 (215) 14.6 (239) 16.0 (262)
11 (279) 13.4 (220) 15.0 (246) 16.6 (272) 18.3 (300)
12 (305) 15.3 (251) 17.1 (280) 18.8 (308) 20.6 (338)
13 (330) 17.3 (284) 19.2 (315) 21.1 (346) 23.1 (379)
14 (356) 19.4 (318) 21.4 (351) 23.5 (385) 25.6 (420)
15 (381) 21.6 (354) 23.8 (390) 26.0 (426) 28.3 (464)
Thickness 3/8 in. (9.5 mm)
D in. (mm)
W in. (mm)
2.5 (64) 3 (76) 3.5 (89) 4 (102)
8 (203) 9.8 (161) 11.2 (184) 12.5 (205) 13.9 (228)
in
3
(cm
3
)
9 (229) 11.7 (192) 13.2 (216) 14.8 (243) 16.3 (267)
10 (254) 13.6 (223) 15.4 (252) 17.1 (280) 18.8 (308)
11 (279) 15.7 (257) 17.7 (290) 19.6 (321) 21.5 (352)
12 (305) 18.0 (295) 20.1 (329) 22.2 (364) 24.3 (398)
13 (330) 20.3 (333) 22.6 (370) 24.9 (408) 27.2 (446)
14 (356) 22.8 (374) 25.3 (415) 27.8 (456) 30.3 (497)
15(381) 25.4 (416) 28.1 (461) 30.8 (505) 35.5 (582)
W
D
Reference Only