Product Description

Our factory produces high quality chrome plated shafting with various types of materials. And ck45 chrome plated bar is the most popular product among these. As this product is widely used as hydraulic piston rod, so it is also well known as ck45 hydraulic piston rod.

Detailed Product Description

1. Material: CK45, Also known as C45, SAE 1045, 45#

2. Tensile strength: Not less than 610 Mpa

3. Yield strength: Not less than 355 Mpa

4. Advanced inspection apparatus

5. Condition: Chrome plated, Quenched / Tempered, Induction hardened, Q / T Induction hardened

Detailed Description

1.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

 

2.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

 

3. SUPPLY CONDITION

    Ground  and  chrome plated 

4. CHROME THICKNESS

     Our CK45 chrome plated rods are chrome plated with chrome plating thickness of 20 to 30 microns

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 the hard chrome plated shafts, and each chrome plated shaft to be packed in cardboard sleeve.

15. CERTIFICATE

     All certificate related with material heat treatment and plating will be supplied together with the chrome plated rods.

Payment Terms︰ TT, LC