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CK20 Chrome Hollow Rod with OD Tolerance F7

CK20 Chrome Hollow Rod with OD Tolerance F7
Jiangsu New Heyi Machinery Co., Ltd specialized in hydraulic piston rod, cylinder rod ,long small diameter axes, hollow bar ,induction hardened rod.All technical parameters of our products comply with even superior to state standards.Our products can be directly used in oil cylinder and air...
Product Details:

Jiangsu New Heyi Machinery Co., Ltd specialized in hydraulic piston rod, cylinder rod ,long small diameter axes, hollow bar ,induction hardened rod.All technical parameters of our products comply with even superior to state standards.Our products can be directly used in oil cylinder and air cylinder. In addition ,our products are widely used for textile & dyeing ,mechanical slide guide of printing machine,guide rod of injection machine and guide post of four-post hydraulic press.

Material:  CK20

Chemical composition(%):

Material

C%

Mn%

Si%

S%

P%

V%

Cr%

Ck20

0.18

0.55

0.26

0.005

0.005

 


Mechanical properties:

TENSILE STRENGTH≥520 MPa

YIELD STRENGTH≥400 MPa

ELONGATION≥15%

Supply Condition:   Chrome plated and cold drawn or ID honed

External Diameter Accuracy: f7

Surface roughness:     Ra0.2um~Ra0.4um

Od tolerance:   f7

Id tolerance:   h8 

Straightness:    ≤0.2MM/M

Chrome Hardness:    HV800(Minimum)up

Standard Length:  1M-8M

Hard Chrome Thickness:  25Micron±5MY

Cohesion:    

No craks,breaking or detaching after thermic shock(warming up at 300 celsius degrees and cooling in water)

Porosity: 

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

Corrosion Resistance:

Test in natural salt spray according to ASTM B 117-96hours

Results evaluation according to ISO 4540 RATING 7-10

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Our advantage:

 1) we have already passed ISO9001:2008 international quality system.

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 2)we have Advanced inspection apparatus and Complete manufactured equipment.

 3)we finish the whole processes by ourselves, including the critical processes of heat treatment and chrome plating, which ensure the quality control.

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 4)we have imported continuous chromium plating line from Italy, which is the first one in China and will ensure high quality and high efficiency.

 5)we have established new workshop specially for exporting products with all automatic continuous equipment, from grinding to packing, which ensure output and quality.

 6)we have rich experience of exporting. Cooperate with a lot of countries customers.

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 7)we check the products with strict requirement to ensure the product quality.

 8)Till now, we have two chrome plating line, one made in China, one Made in Italy.

 9)Hard chrome piston rod quality control--our defected products rate is 0.01%.

 10)we provide the best after sales service by our best.

 

FAQ:

1) What is terms of delivery?

A: We can accept FOB, CIF, CFR. It is according to customer’ requirement.

2) What is payment terms?

A: 30% by T/T in advance as deposit, the balance before shipment.

3) What is delivery time?

A: 30 days after receiving 30% deposit.

4) Is sample order available?

A: YES.we can accept 1-3 pcs of free samples for you of normal size and less than 1meter length.

5)What is lead time for a sample?

A: Current sample needs 1-3 days, customized sample needs 7~10days. 

6)what express do you often use to send the samples?

A: We usually use TNT, sometimes SF or DHL.

7) How can i get to your factory?

A: we can pick you up in Wuxi railway station or shanghai Airport.

8) If i will need to stay in your place for few days, is that possible to book the hotel for me?

A: It’s always my pleasure, hotel booking service is available.

9) What is your minimum order quantity, can you send me samples?

A: Our minimum quantity is 1 ton.

10) Can the products be customized as our need

A: Surely our products can be customized as your need.


If you are willing to buy Hollow piston rod from one of the best Cylinder chrome rod manufacturers and suppliers in China, with useful Cylinder chrome rod for sales, Welcome to buy the quality Hollow piston rod at low price from NEW HEYI.


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