1.Sizes 6mm to 22mm, using alloy steel 25MnV or 20MN2,
Sizes24mm to 42mm using alloy steel 23MnNiMoCr54 importer from Germany
2.Surface:self colored ;painted black; plastic coated and Galvanized
3.Safety factor:4:1
4.According to EN818-2 standards
5.Marked G80 or required by customer at interval of one meter at least
5.Marked G80 or required by customer at interval of one meter at least
6.The High-dynamic round steel chains are stamped with the serial number;
all manufacturing and proof date of the cahin are also recorded.Marking once per running meter.