Crane Hook

Specifications

Specifications

 

Crane hooks with blocks Capacity: 0.5t- 50otSingle/ double hookMaterials: DG20

Crane hooks with blocks

Strength grade: M, P, S, T, V grade

 

Materials

 

M grade with DG20, or DG20Mn

P grade with DG20Mn

S grade with DG34CrMo

T grade below 40t with DG34CrMo, more than 40t with DG34CrNiMo or DG30Cr2Ni2Mo

V grade below 40t with DG34CrNiMo or DG30Cr2Ni2Mo, more than 40t with DG30Cr2Ni2Mo.

 

 

Hook capacity selection standard

 

Strength grade Working Grade of the mechanism (GB3811)
M         M3 M4 M5 M6 M7 M8
P       M3 M4 M5 M6 M7 M8  
S     M3 M4 M5 M6 M7 M8    
T   M3 M4 M5 M6 M7        
V M3 M4 M5 M6 M7          
Hook No. Capacity (ton)
1   4 3.2 2.5 2 1.6 1.25 1 0.8 0.63
1.6   6.3 5 4 3.2 2.5 2 1.6 1.25 1
2.5   10 8 6.3 5 4 3.2 2.5 2 1.6
4 5 16 12.5 10 8 6.3 5 4 3.2 2.5
5 8 20 16 12.5 10 8 6.3 5 4 3.2
6 12.5 25 20 16 12.5 10 8 6.3 5 4
8 20 32 25 20 16 12.5 10 8 6.3 5
10 25 40 32 25 20 16 12.5 10 8 6.3
12 32 50 40 32 25 20 16 12.5 10 8
16 40 63 50 40 32 25 20 16 12.5 10
20 50 80 63 50 40 32 25 20 16 12.5
25 63 100 80 63 50 40 32 25 20 16
32 80 125 100 80 63 50 40 32 25 20
40 100 160 125 100 80 63 50 40 32 25
50 125 200 160 125 100 80 63 50 40 32
63 160 250 200 160 125 100 80 63 50 40
80 200 320 250 200 160 125 100 80 63 50
100 250 400 320 250 200 160 125 100 80 63
125 320 500 400 320 250 200 160 125 100 80
160 400   500 400 320 250 200 160 125 100
200 500     500 400 320 250 200 160 125
250         500 400 320 250 200 160

 

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