Shenzhen Dallast Technology Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | 1000000pcs/year |
| Delivery Time | 15-25 days |
| Packaging Details | wood box |
| Material | 45# 42CrMo4 40CrMo |
| Neutral Salt Spray test | NSS 300;500 hours |
| Type | Hollow/Solid Rod |
| Surface hardness | ＞HV850 |
| NSS Testing Standing | une-en iso9227:2017 |
| SURFACE ROUGHNESS | Ra≤0.2 micron and Rt≤2 micro |
| Application Environment | At sea or in harsh environments |
| Color | Black |
| Brand Name | DALLAST APT |
| Model Number | Model |
| Certification | TUV SGS |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | T/T | Supply Ability | 1000000pcs/year |
| Delivery Time | 15-25 days | Packaging Details | wood box |
| Material | 45# 42CrMo4 40CrMo | Neutral Salt Spray test | NSS 300;500 hours |
| Type | Hollow/Solid Rod | Surface hardness | ＞HV850 |
| NSS Testing Standing | une-en iso9227:2017 | SURFACE ROUGHNESS | Ra≤0.2 micron and Rt≤2 micro |
| Application Environment | At sea or in harsh environments | Color | Black |
| Brand Name | DALLAST APT | Model Number | Model |
| Certification | TUV SGS | Place of Origin | CHINA |
| High Light | chrome plated tubing ，chrome plated steel tube | ||
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 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.
FAQ:
1. How do I measure a cylinder?
Measure the pin to pin length when the cylinder is fully extended and fully retracted, measure the diameter of the rod, the bore of the cylinder will typically measure 1/4" - 1/2" less than the outer diameter of the barrel, also determine the type and size of the ports. Finally, determine the type and size of the end mounts.
2. How does a displacement cylinder work?
In a displacement (single acting) cylinder the rod is extended by flowing pressurized oil behind the rod,
which forces the rod out of the barrel like a piston. Once the pressure is released, the load on the
cylinder retracts the rod. The diameter of the rod is the effective piston area.
3. How much force does my cylinder have?
Force is determined by multiplying the area of the piston by the pressure (PSI).(r2 x p x PSI)
| 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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Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2006
Total Annual:
10000000-15000000
Employee Number:
100~1000
Ecer Certification：
Site Member
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 trai... 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 trai...
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