Hydraulic Hollow Piston Chrome Plated Rod In Harsh Environment NSS More 500 900 Hours 42CrMo4
Hydraulic Hollow piston Rods In Harsh Environment NSS More 500 900 Hours 42CrMo4
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| specification | φ3-φ12 | φ16-φ25 | φ30-φ50 | φ55-φ100 | φ105-φ120 | |
| Length | 200-2000 | 200-3000 | 200-5000 | 200-10000 | 1000-10000 | |
| Scheduling axis hardness | HB220-280 | |||||
| Surface hardness | >860 HV0.1 | The straightness | 0.15/1000mm | |||
| Accuracy | g6 grade h7 grade | Hardened layer depth | 0.8-3mm | |||
| Roundness tolerance |
<=0.01 | APT thickness | 10um-40um | |||
| Full length tolerance |
<=0.02 | The materiel | 42CrMo4 | |||
| Surface roughness | Ra 0.2- 0.4 | |||||
| CHEMICAL COMPOSITION | |||||||||||||||||||||||||||||||||||||||||||||||||
| Material | C% | Mn% | Si% | S% | P% | V% | Cr% | ||||||||||||||||||||||||||||||||||||||||||
| Ck45 | 0.42-0.50 | 0.50-0.80 | 0.04 | 0.035 | 0.035 | ||||||||||||||||||||||||||||||||||||||||||||
| ST52 | 0.22 | 1.6 | 0.55 | 0.035 | 0.04 | ||||||||||||||||||||||||||||||||||||||||||||
| 20MnV6 | 0.16-0.22 | 1.30-1.70 | 0.10-0.50 | 0.035 | 0.035 | 0.10-0.20 | |||||||||||||||||||||||||||||||||||||||||||
| 42CrMo4 | 0.38-0.45 | 0.60-0.90 | 0.15-0.40 | 0.03 | 0.03 | 0.90-1.20 | |||||||||||||||||||||||||||||||||||||||||||
| 40Cr | 0.37-0.45 | 0.50-0.80 | 0.17-0.37 | 0.80-1.10 | |||||||||||||||||||||||||||||||||||||||||||||
MECHANCIAL PROPERTIES | |||||||||||||||||||||||||||||||||||||||||||||||||
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NSSTesting Standing ISO9227:2017
· 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
SGS NSS Testing Report TUV NSSTesting Repopt
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