Micro Alloy Steel Chrome Piston Rod , 20MnV6 Chrome Plated Rod

Price Negotiable

Price: Negotiation

MOQ: 1 tons

Delivery Time: 30days

Brand: HY

Product Description

Hydraulic Cylinder Chrome Piston Rod , 20MnV6 Chrome Plated Rod

Detailed Product Description
1.Hydraulic piston rod manufacturer
2.ISO9001:2008
3.Diameter: 6mm - 1000mm
4.length: 1000mm - 8000mm
5.Ground and chrome plated

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		15		>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

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

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

We control quality strictly, from material, peeling, heat treatment, straightening, grinding, polishing, chrome plating and package, every process is controlled and quality is assured