Grade 70 Transport Chain ASTM80 Chain Spec From Chain Manufacturer
ASTM80 Standard G70 Transport Chain
We use high qualified alloy steel to produce G80 or G70 chains chains (Mn alloy steel), all G80 chains will be approved by 6-meter proof load test, breaking link rate is 1/10000, which exceed industrial level 6/10000.
Chain Material: 20Mn2A, 25MnV, 30Mn2 ETC
Production standard:ASTM80
Chain grade:G70
Safety factor:2.5 times proof load test, 4 times safety factor.
Surface treatment: black oxide, electroplate, black painted, hot dip galvanized etc
Specification of G70 Transport Chain ASTM80:
Size | Material dia | Working load limit | Proof load | Breaking load | Inside length | Inside width | Kg/100 foot | |||||
IN | MM | LBS | KG | LBS | KN | LBS | KN | IN | IN | LBS | KG | |
1/4 | 0.281 | 7.1 | 3150 | 1430 | 6300 | 28.0 | 12600 | 56.1 | 0.86 | 0.45 | 84 | 38 |
5/16 | 0.343 | 8.7 | 4700 | 2130 | 9400 | 41.8 | 18800 | 83.6 | 1.01 | 0.46 | 120 | 54 |
3/8 | 0.406 | 10.3 | 6600 | 3000 | 13200 | 58.7 | 26400 | 117.4 | 1.10 | 0.55 | 176 | 80 |
1/2 | 0.531 | 13.5 | 11300 | 5130 | 22600 | 100.5 | 45200 | 201.1 | 1.55 | 0.72 | 300 | 136 |
Production Machines:
Fully Welding Machine Breaking Force Testor Calibration Machine
Products Photos:
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