Product Overview
B631 - TWO HOLE 45° TUBING KNEE BRACE
• 1” (25.4) Square steel tubing
• Material: ASTM A513
• Standard finishes: ZN, GRN
• Design load determined by testing using a B335 hinged corner connection.
• Load ratings are for brace members only. Do not exceed allowable beam
or column loads for strut channels.
• Safety Factor of 3
B632 - TWO HOLE STRAIGHT TUBING BRACE
• 1” (25.4) Square steel tubing
• Material: ASTM A513
• Standard finishes: ZN, GRN
1
5
/8”
(41.3)
1
3
/4”
(44.4)
1
3
/4”
(44.4)
45°
A
A
A
B
B
1
5
/8”
(41.3)
Part
Design Load
Wt./C
No. A (A)
Lbs. kN Lbs. kg
B631-18 18”
(457.2)
1500
(6.67)
145
(65.8)
B631-24 24”
(609.6)
1500
(6.67)
186
(84.4)
B631-30 30”
(762.0)
1500
(6.67)
225
(102.0)
B631-36 36”
(914.4)
1500
(6.67)
266
(120.6)
B631-42 42”
(1066.8)
1230
(5.47)
307
(139.2)
B631-48 48”
(1219.2)
940
(4.18)
348
(157.8)
B631-54 54”
(1371.6)
740
(3.29)
389
(176.4)
B631-60 60”
(1524.0)
600
(2.67)
430
(195.0)
B631-72 72”
(1828.8)
420
(1.87)
508
(230.4)
B631-84 84”
(2133.6)
310
(1.38)
589
(267.2)
B631-96 96”
(2438.4)
240
(1.07)
669
(303.5)
Par
t
Wt./C
No. A (A)
Lbs.
kg
B632-18 18”
(457.2)
133
(60.3)
B632-24 24”
(609.6)
174
(78.9)
B632-30 30”
(762.0)
215
(97.5)
B632-36 36”
(914.4)
256
(116.1)
B632-42 42”
(1066.8)
295
(133.8)
B632-48 48”
(1219.2)
335
(151.9)
B632-54 54”
(1371.6)
380
(172.3)
B632-60 60”
(1524.0)
420
(190.5)
B632-72 72”
(1828.8)
500
(226.8)
B632-84 84”
(2133.6)
585
(265.3)
B632-96 96”
(2438.4)
670
(303.9)
B261 - TWO HOLE 45° KNEE BRACE
• Standard finishes: ZN, GRN
• Design load determined by testing using a B335 hinged corner connection.
• Load ratings are for brace members only. Do not exceed allowable beam
or column loads for strut channels.
• Safety Factor of 3
Par
t Design Load Wt./C
No. A (A) B (B)
Lbs. kN Lbs. kg
B261-8 8”
(203.2)
7
3
/
8
”
(187.3)
1500
(6.67)
119
(54.0)
B261-12 12”
(304.8)
10
1
/
8
”
(257.2)
1020
(4.54)
165
(74.8)
B261-16 16
5
/
8
”
(422.3)
13
3
/
8
”
(339.7)
530
(2.36)
218
(98.9)
B261-18 18”
(457.2)
14
7
/
16
”
(366.7)
450
(2.00)
234
(106.1)
B261-24 24”
(609.6)
18
1
1
/
16
”
(474.7)
250
(1.11)
303
(137.4)
B261-36 36”
(914.4)
27
3
/
16
”
(690.6)
110
(.49)
441
(200.0)
Design Load
Design Load
Strut Fittings
Reference page 72 for general fitting and standard finish specifications.
Braces
85