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

Shenzhen Dallast Technology Co., Ltd.

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

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Brand Name : DALLAST

Model Number : Model

Certification : SGS TUV

Place of Origin : CHINA

MOQ : 1

Price : Negotiable

Payment Terms : T/T

Supply Ability : 100000PCS/YEAR

Delivery Time : 15-25DAYS

Packaging Details : Wooden box

Material : 45# 42CrMo 40Cr 40CrMo4

Color : Black

NSS : Endure1000 hours

Type : Hollow/Solid Rod

Application Environment : At sea or in harsh environments

Surface hardness : >HV850

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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

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

Material T.S N/MM2 Y.S N/MM2 E%(MIN) CHARPY CONDITION
CK45 610 355 15 >41J NORMALIZE
CK45 800 630 20 >41J Q + T
ST52 500 355 22 NORMALIZE
20MnV6 750 590 12 >40J NORMALIZE
42CrMo4 980 850 14 >47J Q + T
40Cr 1000 800 10 Q + 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.


DALLAST Hollow Piston Rod In Harsh Environment NSS More 240 360 580 900 Hours 40CrMo4DALLAST Hollow Piston Rod In Harsh Environment NSS More 240 360 580 900 Hours 40CrMo4
DALLAST Hollow Piston Rod In Harsh Environment NSS More 240 360 580 900 Hours 40CrMo4






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chrome plated round bar

      

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