NSS1000 Hours 42CrMo4 Hollow Piston Rod Hard Chrome Plated Steel Bar For Hydraulic Cylinder

NSS Testing Standing une-en iso9227:2017(Neutral Salt Spray test)

· Sal solution: 50 (+/- 5) g/l of NaCl. Water is demineralized and salt purity is 99.5%.
· Environmental temperature: 35 °C.
· pH of salt solution is 6.8.
· Volumen of salt solution is 38.4 ml/day.
· Density of salt solution is 1,030 g/cm3.
· Spraying is 1.5 (+/- 0.5) ml/h.
Test Result :NSS can endure 300 hours ;500 hours; 800 hours

TUV NSS Testing Report SGS NSS Testing Report


Crafts Process Hardening Force Remove

In the whole crafts process, there are 2 times remove hardening forces: the first remove hardening force in the heat treatment process, hardening force remove is about 80%; the second remove hardening force in the surface treatment process, hardening force remove is about 90%-95%. Therefore, the piston rod is not easily deformed during use or transportation.

Company profile

Shenzhen Dallast Technology Co ., Ltd. it is hydraulic cylinder manufacturing enterprise integrated with professional designing, production and sales . Company focused, specialized in various types of hydraulic cylinder.Is widely used in dump trucks , dump trailers, garbage trucks, excavators, loaders , forklifts, cranes and other projects , ships, mining machinery and fire engines , sanitation vehicles and other special vehicles, agricultural machinery , heavy machinery and many other fields .