SCIC Qib 80 (G80) chains rau nqa yog ua raws li EN 818-2 cov qauv, nrog npib tsib xee chromium molybdenum manganese alloy hlau raws li DIN 17115 tus qauv; zoo tsim / saib xyuas vuam & kho cua sov kom ntseeg tau cov chains mechanical zog nrog rau kev sim quab yuam, tawg quab yuam, elongation & hardness.