AISI4140 CK45 Hard Chrome Plated Rod Hydraulic Cylinder 1000mm

AISI4140 CK45 Hard Chrome Plated Rod Hydraulic Cylinder Rod

Detailed Product Description

• Material: CK45, SAE1045, 4140, 4340, JIS45C, 40Cr, 42CrMo
• Diameter: Φ 6-500 mm
• Length: max 16m
• Chrome layer: 20 microns (min)
• The hardness of the chrome layer: 800HV-1150HV
• Roughness: Ra ≤0.2u
• Straightness: ≤ 0.2/1000
• Diameter tolerance: ISO f7
• Roundness: the deviation of roundness is 50% of the diameter tolerance at the most.
• Supply condition: Hard chrome plated/ Hardened and tempered/ Induction hardened
• Packing: Anti rust oil to be spread on rod surface and each rod to be packed in paper roll and then in wooden case.

Detailed Description

1. CHEMICAL COMPOSITION

2.MECHANCIAL PROPERTIES

3. SUPPLY CONDITION

Ground and chrome plated

4. CHROME THICKNESS

20 to 30 micron

5. SURFACE ROUGHNESS

Ra≤0.2 micron and Rt≤2 micro

6. TOLERANCES ON DIA

ISO f7 on the diameter

7.OVALITY

Half of the tolerance ISO f7

8. STRAIGHTNESS

≤0.2MM/M

9. SURFACE HARDNESS

850-1150HV (vickers 100g)

10.COHESION

No cracks,breaking or detaching after thermic shock(warming up at 300 celsius degrees and cooling

in water)

11 .POROSITY

Test according to ISO 1456/1458 and result yaluation according to ISO 4540 rating 8-10

12 CORROSION RESISTANCE

Test in natural salt spray according to ASTM B 117-72hours

Results evaluation according to ISO 4540 RATING 7-10

13. WELDABILITY

Good

14. PACKING

Anti rust oil to be applied on material and each rod to be packed in paper sleeve

15. CERTIFICATE

All certificate related with material heat treatment and plating is required

Our service idea: Devoted to both benefits is our persistent style, Satisfy clients’ needs is our eternal pursue

Heyi target: be the benchmark in the field of China pneumatic and hydraulic piston rod

Jiangsu New Heyi Machinery Co., Ltd is specialized in producing precision long small diameter axes and hydraulic piston rod. The products are widely used in mine machinery industry, textile and printing machinery industry and so on. Hydraulic cylinder piston rods are also supplied as the OEM parts for many large and medium enterprises, such as Heli Forklift Ltd, Hangzhou Forklift Ltd, Sanyi Heavy Industry Ltd. We have enjoyed a good reputation with high quality and good after-sale service in recent years. Also our products are exported to USA, Canada, Southeast Asia, Austria, Australia and Brazil etc.

We have set up the principle of “high quality, good reputation”, carried out a series of rigorous quality

management system, and have already passed the ISO9001:2008 international quality system. Our inspection

apparatus and production equipment are advanced and superior, that ensure the product of high quality.

We have complete piston rod manufactured equipment covering all processes. The critical processes of heat

treatment and chrome plating are finished in our own company, which ensure the quality control of the key

technical requirements.

Our factory is located in Wuxi which is famous for the peaches. The transportation is very convenient, only

30 minutes to Wuxi Airport and railway station. About 1 kilometer from the entrance of the expressway access

to Shanghai. The factory covers an area of about 25000 square meters and has more than 200 employees,

among which more than 20 are technical engineers.