DALLAST Hollow Piston Rod In Harsh Environment NSS More 240 360 580 900 Hours 40CrMo4

Brand Name:DALLAST
Certification:SGS TUV
Model Number:Model
Minimum Order Quantity:1
Delivery Time:15-25DAYS
Payment Terms:T/T
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Location: Shenzhen Guangdong China
Address: 1435-1436,area C,building B,Qinghu science park,Longhua District, Shenzhen city,Guangdong province,China
Supplier`s last login times: within 28 hours
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DALLAST Hydraulic Hollow piston Rods In Harsh Environment NSS More 240 360 580 900 Hours 40CrMo4

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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.


Application range: Marine equipment, ships, garbage trucks, harsh environmental requirements

Double Acting Hydraulic Cylinder ,Single Acting Hydraulic Cylinder ,

Telescoping Hydraulic Cylinder


specificationφ3-φ12φ16-φ25φ30-φ50φ55-φ100φ105-φ120
Length200-2000200-3000200-5000200-100001000-10000
Scheduling axis hardnessHB220-280
Surface hardness>860 HV0.1The straightness0.15/1000mm
Accuracyg6 grade h7 gradeHardened layer depth0.8-3mm
Roundness tolerance

<=0.01

APT thickness10um-40um
Full length tolerance

<=0.02

The materiel42CrMo4
Surface roughnessRa 0.2- 0.4

CHEMICAL COMPOSITION
MaterialC%Mn%Si%S%P%V%Cr%
Ck450.42-0.500.50-0.800.040.0350.035
ST520.221.60.550.0350.04
20MnV60.16-0.221.30-1.700.10-0.500.0350.0350.10-0.20
42CrMo40.38-0.450.60-0.900.15-0.400.030.030.90-1.20
40Cr0.37-0.450.50-0.800.17-0.370.80-1.10

MECHANCIAL PROPERTIES

MaterialT.S N/MM2Y.S N/MM2E%(MIN)CHARPYCONDITION
CK4561035515>41JNORMALIZE
CK4580063020>41JQ + T
ST5250035522NORMALIZE
20MnV675059012>40JNORMALIZE
42CrMo498085014>47JQ + T
40Cr100080010Q + T


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

FAQ :

Q1: How to make payment?
A1: Generally speaking, 30% prepaid, the balance paid before the shipment.


Q2: The delivery time?
A2:Within 15 days for samples.15-30 days for bulk production, which is depend on quality, production process and so on.


Q3: What is the packing method?
A3: For small piece, we use carton box; for big piece, we use exporting grade plywood case, or as your requirement.


Q4: How to ship?
A4: Sea freight, Air freight or International express (DHL, FEDEX, UPS...) all are available.


Q5: What is the warranty?
A5: 12 months against B/L date.


Q6: Are you a manufacturer or trading company?
A6: Manufacturer. We are a manufacturer with 15 years history.









China DALLAST Hollow Piston Rod In Harsh Environment NSS More 240 360 580 900 Hours 40CrMo4 supplier

DALLAST Hollow Piston Rod In Harsh Environment NSS More 240 360 580 900 Hours 40CrMo4

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