Made in China Alloy Steel Chain 6-22mm High Quality Best Selling High Strength Lifting Chain
Made in China Alloy Steel Chain 6-22mm High Quality Best Selling High Strength Lifting Chain
		    
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Chain Parameter
SCIC Grade 80 (G80) chains for lifting are made as per EN 818-2 standards, with nickel chromium molybdenum manganese alloy steel per DIN 17115 standards; well designed / monitored welding & heat-treatment ensure chains mechanical properties including test force, breaking force, elongation & hardness.
Figure 1: Grade 80 chain link dimensions
		    
			Table 1: Grade 80 (G80) chain dimensions, EN 818-2
| 
 diameter  | 
 pitch  | 
 width  | 
 unit weight  | 
|||
| 
 nominal  | 
 tolerance  | 
 p (mm)  | 
 tolerance  | 
 inner W1  | 
 outer W2  | 
|
| 
 6  | 
 ± 0.24  | 
 18  | 
 ± 0.5  | 
 7.8  | 
 22.2  | 
 0.8  | 
| 
 7  | 
 ± 0.28  | 
 21  | 
 ± 0.6  | 
 9.1  | 
 25.9  | 
 1.1  | 
| 
 8  | 
 ± 0.32  | 
 24  | 
 ± 0.7  | 
 10.4  | 
 29.6  | 
 1.4  | 
| 
 10  | 
 ± 0.4  | 
 30  | 
 ± 0.9  | 
 13  | 
 37  | 
 2.2  | 
| 
 13  | 
 ± 0.52  | 
 39  | 
 ± 1.2  | 
 16.9  | 
 48.1  | 
 4.1  | 
| 
 16  | 
 ± 0.64  | 
 48  | 
 ± 1.4  | 
 20.8  | 
 59.2  | 
 6.2  | 
| 
 18  | 
 ± 0.9  | 
 54  | 
 ± 1.6  | 
 23.4  | 
 66.6  | 
 8  | 
| 
 19  | 
 ± 1  | 
 57  | 
 ± 1.7  | 
 24.7  | 
 70.3  | 
 9  | 
| 
 20  | 
 ± 1  | 
 60  | 
 ± 1.8  | 
 26  | 
 74  | 
 9.9  | 
| 
 22  | 
 ± 1.1  | 
 66  | 
 ± 2.0  | 
 28.6  | 
 81.4  | 
 12  | 
| 
 23  | 
 ± 1.2  | 
 69  | 
 ± 2.1  | 
 29.9  | 
 85.1  | 
 13.1  | 
| 
 24  | 
 ± 1.2  | 
 72  | 
 ± 2.1  | 
 30  | 
 84  | 
 14.5  | 
| 
 25  | 
 ± 1.3  | 
 75  | 
 ± 2.2  | 
 32.5  | 
 92.5  | 
 15.6  | 
| 
 26  | 
 ± 1.3  | 
 78  | 
 ± 2.3  | 
 33.8  | 
 96.2  | 
 16.8  | 
| 
 28  | 
 ± 1.4  | 
 84  | 
 ± 2.5  | 
 36.4  | 
 104  | 
 19.5  | 
| 
 30  | 
 ± 1.5  | 
 90  | 
 ± 2.7  | 
 37.5  | 
 105  | 
 22.1  | 
| 
 32  | 
 ± 1.6  | 
 96  | 
 ± 2.9  | 
 41.6  | 
 118  | 
 25.4  | 
| 
 36  | 
 ± 1.8  | 
 108  | 
 ± 3.2  | 
 46.8  | 
 133  | 
 32.1  | 
| 
 38  | 
 ± 1.9  | 
 114  | 
 ± 3.4  | 
 49.4  | 
 140.6  | 
 35.8  | 
| 
 40  | 
 ± 2  | 
 120  | 
 ± 4.0  | 
 52  | 
 148  | 
 39.7  | 
| 
 45  | 
 ± 2.3  | 
 135  | 
 ± 4.0  | 
 58.5  | 
 167  | 
 52.2  | 
| 
 48  | 
 ± 2.4  | 
 144  | 
 ± 4.3  | 
 62.4  | 
 177.6  | 
 57.2  | 
| 
 50  | 
 ± 2.6  | 
 150  | 
 ± 4.5  | 
 65  | 
 185  | 
 62  | 
Table 2: Grade 80 (G80) chain mechanical properties, EN 818-2
| 
 diameter  | 
 working load limit  | 
 manufacturing proof force  | 
 min. breaking force  | 
| 
 6  | 
 1.12  | 
 28.3  | 
 45.2  | 
| 
 7  | 
 1.5  | 
 38.5  | 
 61.6  | 
| 
 8  | 
 2  | 
 50.3  | 
 80.4  | 
| 
 10  | 
 3.15  | 
 78.5  | 
 126  | 
| 
 13  | 
 5.3  | 
 133  | 
 212  | 
| 
 16  | 
 8  | 
 201  | 
 322  | 
| 
 18  | 
 10  | 
 254  | 
 407  | 
| 
 19  | 
 11.2  | 
 284  | 
 454  | 
| 
 20  | 
 12.5  | 
 314  | 
 503  | 
| 
 22  | 
 15  | 
 380  | 
 608  | 
| 
 23  | 
 16  | 
 415  | 
 665  | 
| 
 24  | 
 18  | 
 452  | 
 723  | 
| 
 25  | 
 20  | 
 491  | 
 785  | 
| 
 26  | 
 21.2  | 
 531  | 
 850  | 
| 
 28  | 
 25  | 
 616  | 
 985  | 
| 
 30  | 
 28  | 
 706  | 
 1130  | 
| 
 32  | 
 31.5  | 
 804  | 
 1290  | 
| 
 36  | 
 40  | 
 1020  | 
 1630  | 
| 
 38  | 
 45  | 
 1130  | 
 1810  | 
| 
 40  | 
 50  | 
 1260  | 
 2010  | 
| 
 45  | 
 63  | 
 1590  | 
 2540  | 
| 
 48  | 
 72  | 
 1800  | 
 2890  | 
| 
 50  | 
 78.5  | 
 1963  | 
 3140  | 
| 
 notes: total ultimate elongation at breaking force is min. 20%;  | 
|||
| changes of Working Load Limit in relation to temperature | |
| Temperature (°C) | WLL % | 
| -40 to 200 | 100% | 
| 200 to 300 | 90% | 
| 300 to 400 | 75% | 
| over 400 | unacceptable | 
            


		    
			
		    
			
				
				
				
				
		    
			
		    
			


