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Between 50-55 Degrees 3 To 5 Microns 0.2-0.4 Hydraulic Piston Rod Medical Devices

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Wuxi Chunfa Hydraulic Machinery Co., Ltd.

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Between 50-55 Degrees 3 To 5 Microns 0.2-0.4 Hydraulic Piston Rod Medical Devices

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Brand Name :	chunfa
Model Number :	Half Of The Tolerance ISO F7
Certification :	ISO9001:2008
Payment Terms :	T/T, L/C,
Supply Ability :	400ton per month
Delivery Time :	30days
Price :	Negotiation

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Product Details
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Between 50-55 Degrees 3 To 5 Microns 0.2-0.4 Hydraulic Piston Rod Medical Devices

Raw Material:	Micro Alloy Steel	Product Name:	Hydraulic Piston Rod
Surface Condition:	Hard Chrome Plated	Chrome Thickness:	25 +/- 5 Micron
Ovality:	Half Of The Tolerance ISO F7	Straightness:	Not More Than 0.2 MM/M
High Light:	stainless steel rod , hydraulic cylinder tubing , hydraulic piston rod ISO f7

Chrome Plated Hydraulic Piston Rods , Diameter 35mm - 140mm

Detailed Product Description

1. Material: CK45, ST52, 42CrMo4, 20MnV6, 40Cr, HY4520, HY4700
2. Piston rod manufacturer

3. Yield strength: Not less than 355 MPa
4. Tensile strength: Not less than 610 MPa
5. Widely used in mine machinery industry, textile and printing machinery industry and so on.

6. The critical processes of heat treatment and chrome plating are finished in our own company.

Detailed Description

1. CHEMICAL COMPOSITION(%)

Material	C%	Mn%	Si%	S%	P%	V%	Ni	Cr%	Mo	Cu
ck45	0.42-0.50	0.50-0.80	0.17-0.37	≤0.035	≤0.035		≤0.25	≤0.25		≤0.25
ST52	≤0.22	≤1.6	≤0.55	≤0.04	≤0.04	0.02-0.15
20MnV6	0.17-0.24	1.30-1.70	0.10-0.50	≤0.035	0.035	0.10-0.20	≤0.30	≤0.30		≤0.30
42CrMo	0.38-0.45	0.5-0.8	0.17-0.37	≤0.035	≤0.035	0.07-0.12	≤0.03	0.90-1.20	0.15-0.25	≤0.03
40Cr	0.37-0.45	0.50-0.80	0.17-0.37	≤0.035	≤0.035		≤0.3	0.80-1.1		≤0.03
HY4700	0.38-0.45	1.20 ~1.60	0.30~0.50	≤0.035	≤0.020	0.05～0.15	≤0.25	0.10～0.20	≤0.15	0.25
HY4520	0.40 ~0.48	0.80 ~1.40	0.15 ~0.35	≤0.035	≤0.035	≤0.15	≤0.25	≤0.25	≤0.15	≤0.25

2. MECHANICAL PROPERTIES

Material	T.S / Rm(MPa)	Y.S / Rel(MPa)	A%	CHARPY	CONDITION
ck45	610	355	16	>41J	Normalized
ck45	800	540	20	>41J	Q+T
ST52	500	355	22		Normalized
20MnV6	750	590	12	>40J	Normalized
42CrMo4	980	850	14	>47J	Q+T
40Cr	1000	800	10		Q+T

3. MICRO ALLOY STEEL

Material		MECHANICAL PROPERTIES					Surface hardness(HBW)
Material		Rm(MPa)	Rel(MPa)	A%	Z%	KU2(J)
HY4700	Φ35 - Φ100	900 - 1100	≥650	≥16	≥35	≥39	270-340
HY4700	＞Φ100 - Φ140	850 - 950	≥600	≥16	≥35	≥39	270-340
HY4520	Φ40 - Φ100	750 - 900	≥520	≥19	≥40	≥39	230-290
HY4520	＞Φ100～Φ140	750 - 900	≥520	≥17	≥35	≥39	230-290

4. SUPPLY CONDITION

Ground and chrome plated

5. CHROME THICKNESS

20 to 30 micron

6. TOLERANCES ON DIA

ISO f7 on the diameter

7.OVALITY

Half of the tolerance ISO f7

8. SURFACE ROUGHNESS

Ra≤0.2 micron and Rt≤2 micron

9. STRAIGHTNESS

≤0.2MM/M

10 .SURFACE HARDNESS

850-1150HV (vickers 100g)

11. COHESION

No craks,breaking or detaching after thermic shock(warming up at 300 celsius degrees

and cooling in water)

12. CORROSION RESISTANCE

Test in natural salt spray according to ASTM B 117-120hours

Results evaluation according to ISO 4540 RATING 7-10

13 .POROSITY

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

14. WELDABILITY

Good

15. PACKING

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

16. CERTIFICATE

All certificate related with material heat treatment and plating is required

Product Tags:

Chrome Plated Hydraulic Piston Rod

Hydraulic Piston Rod 35mm

Chrome Plated Piston Rod 140mm

Between 50-55 Degrees 3 To 5 Microns 0.2-0.4 Hydraulic Piston Rod Medical Devices

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