42CrMo4 length 1-8m steel chrome plated bar

Product Detail

Jiangsu New Heyi Machinery Co., Ltd have rich experience of 42CrMo4 piston rod with nearly 20 years, have already passed ISO9001:2008 international quality system,we export India, Indonesia, Austria, Canada, Australia,USA, Russia, Iran, Thailand, Malaysia, Bulgaria and so on.We can provide 42CrMo4 hard chrome piston rod of high quality and long working life. Looking forward to your cooperation.




42CrMo4 piston rod material:  42CrMo4

Chemical composition(%)

Material	C%	Mn%	Si%	S%	P%	V%	Cr%
42CrMo4	0.38-0.45	0.60-0.90	0.15-0.40	0.03	0.03		0.90-1.20




Condition:  QUENCHED AND TEMPERED

42CrMo4 piston rod mechanical properties:

TENSILE STRENGTH=980 MPa

YIELD STRENGTH=850 MPa

ELONGATION=14%

IMPACT>47 J 

Delivery terms and conditions:  Ground  and  chrome plated  

Chrome plating thickness:  20 to 30 micron

42CrMo piston rod Surface roughness:

 Ra=0.2 micron and  Rt=2 micro

Od tolerance:  ISO f7 on the diameter

42CrMo4 piston rod ovality:  Half of the tolerance ISO f7

Straightness:  =0.2MM/M

Chrome Layers Hardness:  850-1150HV (vickers 100g)

42CrMo4 piston rod characteristics:

The material of 42CrMo4 is good of mechanical properties.The products can be different hardness according to different temper temperature by teat treatment which can satisfy a variety of machinery process. The application is widely especially in mould industry.

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

Salt spray test:

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

Results evaluation according to ISO 4540 RATING 7-10



Weldability:

Good,All certificate related with material heat treatment and plating is required.






Packing:     

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










Our advantage:

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

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.



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 convenient transportation, only 30 minutes to Wuxi airport and railway station. About 1 kilometer to the entrance of the expressway.

7)we have rich experience of hard chrome rod with 18 years.

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



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

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

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

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




We have different types of piston rod,with leading speed and quality.If you are interested,Plz leave us message or contact with our sales directly,Your inquiry will be replied in 24 Hrs!