Chrome Plated Steel Bar

Main hydraulic cylinder parts: Precision cold drawn steel, honing steel, precision piston rod, hydraulic cylinders and various hydraulic system design and manufacturing. The company has a professional production plant, for many years engaged in hydraulic engineering research and design experts and have rich practical experience in engineering and technical personnel, a dedicated production equipment, advanced production technology, and improve the quality assurance system to

42CrMo Hydraulic Cylinder Hollow Piston Rod Hard Chrome Plated Steel Bar Neutral Salt Spray test 500 hours NSS( Salt Spray test )Testing Standing une-en 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

42CrMo Hydraulic Cylinder Hollow Piston Rod Hard Chrome Plated Steel Bar Neutral Salt Spray test 500 hours 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 NSS( Salt Spray test )Testing Standing une-en iso9227:2017 · Sal solution: 50 (+/- 5)

NSS 1000 hours Farm Harvesting Equipment Hollow Piston Rod Hard Chrome Plated Steel Bar 45# 40CrMo NSS (Neutral Salt Spray test): More than 200 hours; More than 360 hours; More than 500 hours; More than 100 hours; NSS Testing Standing une-en iso9227:2017(Neutral Salt Spray test) TUV NSS Testing Report SGS NSS Testing Report Material :45# 42CrMo Color :Black NSS:Endure 500 hours Type:Hollow/Solid RodApplication Environment:At sea or in harsh environments Surface hardness:

42CrMo4 Hollow Piston Rod Hard Chrome Plated Steel Bar For Doubel Acting Hydraulic Cylinder NSS 500 hours 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. NSS (Neutral Salt Spray test):

42CrMo4 Hollow Piston Rod Hard Chrome Plated Steel Bar For Doubel Acting Hydraulic Cylinder NSS 500 hours 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. NSS (Neutral Salt Spray test):

42CrMo4 Hollow Piston Rod Hard Chrome Plated Steel Bar For Doubel Acting Hydraulic Cylinder NSS 500 hours NSS (Neutral Salt Spray test): More than 200 hours; More than 360 hours; More than 500 hours; More than 100 hours; Application Environment:At sea or in harsh environments Surface hardness:＞HV870 SURFACE ROUGHNESS:Ra≤0.2 micron and Rt≤2 micro TOLERANCES ON DIA:ISO f10 on the diameter LENGTH:MAX 5 meter NSS Testing Standing une-en iso9227:2017(Neutral Salt Spray test) TUV

42CrMo4 Hollow Piston Rod Hard Chrome Plated Steel Bar For Doubel Acting Hydraulic Cylinder NSS 500 hours Type:Hollow/Solid Rod Material :45# 42CrMo Color :Black NSS (Neutral Salt Spray test): More than 200 hours; More than 360 hours; More than 500 hours; More than 100 hours; Application Environment:At sea or in harsh environments Surface hardness:＞HV870 SURFACE ROUGHNESS:Ra≤0.2 micron and Rt≤2 micro TOLERANCES ON DIA:ISO f10 on the diameter LENGTH:MAX 5 meter NSS Testing

NSS1000 Hours 42CrMo4 Hollow Piston Rod Hard Chrome Plated Steel Bar For Hydraulic Cylinder Hollow/Solid Rod specificationφ3-φ12φ16-φ25φ30-φ50φ55-φ100φ105-φ120Length200-2000200-3000200-5000200-100001000-10000 NSS (Neutral Salt Spray test) More than 240 hours ;more than 360 hours; more than 500 hours ;more than 100 hours;Surface hardness>860 HV0.1The straightness0.15/1000mmAccuracyg6 grade h7 gradeHardened layer depth0.8-3mmRoundness tolerance 41JQ + TST5250035522 NORMALIZE20M

NSS1000 Hours 42CrMo4 Hollow Piston Rod Hard Chrome Plated Steel Bar For Hydraulic Cylinder 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 Material :45# 42CrMo Color :Black NSS:Endure 500 hours Type:Hollow/Solid Rod Application Environment