Load Chain

Material:high-quality alloy steel

Surfacetreatment:polishing, blacking, galvanized

Quality grade:g80 g70 g43

Safety factor:min 4


Size d*p mm 6 x 18 8 x 24 10 x 30
Working load limit 2 t 3t 5t
Min.Breaking load 46 kn 60.6kn 126kn
Weight per meter 0.82kg/m (1.38 ) 2.2kg/m
Inside length 18mm 24mm 30mm
Inside width 7.5mm 10mm 12.5mm

1. nominal size: Nominal diameter of the round section steel wire or bar from which the chain is made.

2. material diameter: Diameter of the material in the chain link as measured.

3. weld diameter: Diameter at the weld as measured.

4. length dimensionally affected by welding: Length on either side of the center of the link, affected by welding.

5. pitch: Internal length of a link as measured.

6. manufacturing proof force(MPF) of chain: Force to which during manufacture the whole of the chain is subjected.

7. breaking force( BF): Maximum force which the chain withstands during the course of a static tensile test to destruction.

8. working load limit (WLL) of chain: Maximum mass which the chain hanging vertically is authorized to sustain in general lifting service.

9. total ultimate elongation (A): Total extension at the point of fracture of the chain expressed as a percentage of the internal length of the test sample.

10. processing: Any treatment of the chain subsequent to welding, for example, heat treatment, polishing or dimension calibration.

11. lot: Specified quantity from which test sample(s) is/are selected.

12. competent person: A designated person, suitably trained qualified by knowledge and practical experience, and with the necessary instructions to enable the required examination to be carried out.

Definitions to European standard EN 818-7

For the purposes of this Part of EN 818,the following definitions apply:



1. nominal size: Nominal diameter of the round section steel wire or bar from which the chain is made.

2. material diameter: Diameter of the material in the chain link as measured.

3. weld diameter: Diameter at the weld as measured.

4. length dimensionally affected by welding: Length on either side of the center of the link, affected by welding.

5. pitch: Internal length of a link as measured.

6. manufacturing proof force(MPF) of chain: Force to which during manufacture the whole of the chain is subjected.

7. breaking force( BF): Maximum force which the chain withstands during the course of a static tensile test to destruction.

8. working load limit (WLL) of chain: Maximum mass which the chain hanging vertically is authorized to sustain in general lifting service.

9. total ultimate elongation (A): Total extension at the point of fracture of the chain expressed as a percentage of the internal length of the test sample.

10. processing: Any treatment of the chain subsequent to welding, for example, heat treatment, polishing or dimension calibration.

11. lot: Specified quantity from which test sample(s) is/are selected.

12. competent person: A designated person, suitably trained qualified by knowledge and practical experience, and with the necessary instructions to enable the required examination to be carried out.

Short link chain (en818-2);
Calibrated chain (en818-7);
G80 load chain; astm80 chain;
Cargo tie down hook chain;
Tow chain;
Fishing chain g8 (long, mid, short)

Drag Chain looks like the tank chain drag chain, consists of a lot of link. composed of the up and down or so four sections, each section can open, convenient installation, open the cover plate after put in the cable, tubing, the trachea, etc.

Advantage
1. It has very nicelooking appearance and has very rationalconstruction and flexible and high strength. It is reliable and easy to operate, install, dismantle or assemble. â??It is worthwhile mentioning that the antiwearing performance has been improvedgreatlydue to wear resistent material and alloy pin-shaft are used.
2. The product is flexible to bending and has low resistance, giving low noises. It can be used for a very long period of time without any deforming or hanging down.
3. The product is nicelooking, which makes the machine tool unit nicer looking as a whole and makes the machine tools and machineries more competitive in the international market.

Rated load:0.5-20ton
Standard lift:3m
Test load:0.75-30ton
Diamter of load chain:6-10mm
No. Of load chain:1-8

1 pc in a carton
Nw:9.5-150kg
Packing size: customized

Cd-1, md-1

Safety in operation and easy maintenance.
High efficiency and easy handing.

1. The shell is made of high-class alloy steel,and it adopt advanced plastic plating technology

both inside and outside,beautiful and rust protection.
2. The space is tested by accurate measurement and the design can efficiently avoid the jam, chain
clasp.
3.The gears are made of international standard gear steel with a smooth surfaceand high wear- resisting degree.
Compared with common gears,they are more steadier and laborsaving.


0.5t-20t 1m-30m