Modular Support Systems Technical Guide, Edition 2
3.0 Modular Support System
3.2.3 MT System Connectors
MT-C-T A
Description
Angle bracket for channel-to-channel or channel-to-girder connections. Meant to be installed with Thread forming bolts or CTAB screws, not Twist Lock bolts.
Material Specifications
Standard 1 Grade 1 F y, ksi( MPa) F u, ksi( MPa) GB / T 1591 Q355 B 51.49( 355) 68.17( 470)
1 Mechanical properties of GB / T 1591 Grade Q355 B meet or exceed the mechanical properties of ASTM A1011 SS Grade 50.
Corrosion Protection
Description |
Environmental Conditions |
MT-C-T A |
Dry indoor conditions( C1)
Indoor with temporary condensation( C2)
|
MT-C-T A OC |
Outdoor, low to moderate pollution( C3 / C4- low) |
Ordering Information |
Description |
Weight Per
Piece, lbs( kg)
|
Quantity
Piece( s)
|
Item No. |
MT-C-T A |
0.71( 0.32) |
20 |
2272056 |
MT-C-T A OC 0.71( 0.32) 20 2272057
mm( in)
Figure 48 – MT Channel Connection
Table 198- Allowable Strength Design( ASD) Load Data 1, 2, 3
Fx lb( kN) |
Fy lb( kN) |
Fz lb( kN) |
1,400( 6.23) |
415( 1.86) |
240( 1.08) |
1 Minimum safety factor, Ω, for tabulated values is 2.3. |
2 Multiply tabulated values by 1.5 to obtain minimum Load and |
Resistance Factor Design( LRFD) values. |
3 See Figure 48. |
A. MT-30 / 50 / 60 B. MT-70 / 80 / 90 / 100
Table 199- Limit State Design( LSD) Load Data 1, 2
Fx lb( kN) |
Fy lb( kN) |
Fz lb( kN) |
1,880( 8.38) |
560( 2.51) |
385( 1.73) |
1 Maximum resistance factor, φ, for tabulated values is 0.58. |
2 See Figure 48. |
108 Modular Support Systems Technical Guide Edition 2 | Installation Systems Hilti, Inc. 1-800-879-8000 | en español 1-800-879-5000 | www. hilti. com | Hilti( Canada) Corporation | 1-800-363-4458 | www. hilti. ca