1Material:Ductile cast iron
2Brand name: jianzhi
3Surface treatment: Hot dip galvanized
4.Zinc Thickness: Usually for GB Inspection the average value is 86μm ,customer's requirement can be followed
5Test method of Zinc Thickness Instrument: Zinc coat thickness gauge.
Test method: randomly extract 10 points from the cap,then use the gauge test the zinc thickness,and calculate the average value.if the value reach 86μm then the Zinc Thickness is qualified
6. According to the strength grade, our basic products are divided into following nine types.
tensile strength grade(KN) | 40 | 70 | 100 | 120 | 160 | 210 | 300 | 400 | 530 |
mechanical damage(KN) | 60 | 85 | 120 | 140 | 185 | 240 | 330 | undetermined | undetermined |
7.Usage: Assembled with Porcelain or toughened glass as the insulating elements for High Voltage power transmission
8.Technology: Sand casting
