Standard I.T.A Hook Class Ⅱ
 Standard I.T.A Hook Class Ⅲ
 Standard I.T.A Hook Class Ⅳ
 Standard Hook B Type Forks
 Shaft Type Forks
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Technology General Standard
1.Material:refer to below list  
    1Fork bodies: 35Cr,15B37,33MnCrTiB  
    2Fork bodies:20Cr  
Material No. C% Si% Mn% Cr%
35Cr 0.32-0.39 0.17-0.37 0.50-0.80 0.80-1.10
15B37 0.30-0.35 0.15-0.35 1.25-1.50 0.30-.060
33MnCrTiB 0.30-0.35 0.15-0.35 1.25-1.50 0.30-.060
20Cr 0.17-0.24 0.17-0.37 0.50-0.80 0.70-1.0
20# 0.17-0.24 0.17-0.37 0.35-0.65 0.25
2、Use the imported welding wire and the welding method with carbon dioxide as its protective gas.
3、Machinery capacity: 
      1、Yield point: σb=784 Mpa (Min.) 
      2、Tensile stress: σs=931Mpa (Min.)     Impact: I=27Jmin(-20° C-V)
      3、Surface hardness:HB285--363;Hardness must be inaspected for every fork after Heat treatment.
4、Magnaglo must be done for every fork after shot blasting.
5、Producting standard:ISO 2328
6、Inspecting standard: ISO2330
7、Stamping on one side of shank,including:  
      1.Loading capacity: kg×LC(mm)  
      2.Material heat number  
      3.Mnaufacturing date and lot number
8、Assembly :our design as below:
9、Packing:with wooden pallet with fork weight less than 2500Kg per.
Add:Loghua Lndustrial Zone,Jing County,Hebei Province,China     Tel:+86-318-7150008     Fax:0318-5839988     Mobile phone:15933815199