used concrete pump truck tractor bucket hydraulic cylinder

Product Detail

1. Seals kit: From USA, durable and hard-wearing with long service life.
2. Heat treatment: Quenching&Tempering which makes the piston rod super high hardness.
3. Cleaning: Ultrasonic cleaning.
4. Cutting: High precision provided by automatic roller cutting machine.
5. Testing: Ultrasonic detector, spectrograph, CMM, metallography, chrome thickness tester.
6. Advantage: Simple structure & reliable work, easy maintenance & diverse connecting ways.
7. Plan: Different manufacturing plans for different customers.
8. MOQ: 10 PCS of tie rod hydraulic cylinder
9. Lead time: 10~30 days depends on quantity & whether customized.
10. Warranty: Change a new one and we pay for the air freight in 3 years warranty time.

Bore	B	C	D	E	F	G	H	I	J	K	M	N	Tube O.D.	Ports (NPT)
2.00   (50.80)	1.015  (25.78)	2.125 (53.98)	1.625 (41.28)	1.000 (25.40)	1.000 (25.40)	1.142 (29.01)	2.520 (64.01)	2.835 (72.01)	1.142  (29.01)	2.520 (64.01)	M10	1-1/8      -12UNF	2.375  (60.3)	3/8
2.50  (63.50)	1.015  (25.78)	2.125 (53.98)	1.625 (41.28)	1.000 (25.40)	1.000 (25.40)	1.142 (29.01)	2.520 (64.01)	3.150  (80.01)	1.142 (29.01)	2.520 (64.01)	M10	1-1/8      -12UNF	2.875  (73.0)	3/8
3.00  (76.20)	1.015  (25.78)	2.125 (53.98)	1.625 (41.28)	1.125 (28.58)	1.000 (25.40)	1.142 (29.01)	2.600 (66.04)	3.740  (95.00)	1.142 (29.01)	2.520 (64.01)	M12	1-1/4      -12UNF	3.375  (85.7)	1/2
3.50  (88.90)	1.015  (25.78)	2.125 (53.98)	1.625 (41.28)	1.125 (28.58)	1.125 (28.58)	1.142 (29.01)	2.600 (66.04)	4.134 (105.00)	1.142 (29.01)	2.520 (64.01)	M12	1-1/4      -12UNF	3.875  (98.4)	1/2
4.00  (101.60)	1.015  (25.78)	2.125 (53.98)	1.625 (41.28)	1.125 (28.58)	1.125 (28.58)	1.142 (29.01)	2.600 (66.04)	4.724 (119.99)	1.142 (29.01)	2.600 (64.01)	M12	1-1/4      -12UNF	4.375 (111.1)	1/2
5.00 (127.00)	1.015  (25.78)	2.125 (53.98)	1.625 (41.28)	1.250 (31.75)	1.500 (38.10)	1.260  (3200)	2.677 (68.00)	6.000 (152.40)	1.260 (32.00)	3.500 (88.90)	M16M	1-1/4      -12UNF	5.453 (138.5)	1/2

1.Descriptions of Chrome Plated Shaft

Size	25.4~100mm
Length	0.2m~2m
Material	45#DIN CK45/JIS 45C
Tolerance	ISO f7
Chrome Thickness	25~30micron
Hardness of The Chrome Layer	45~50HRC
Roughness	Ra0.4micron
Straightness	0.2/1000mm
Yield Strength	≥320Mpa
Tensile Strength	≥580Mpa
Elongation	≥15%
Supply Condition	1.Hard chrome plated
	2.Induction hardened
	3.Quenched&Tempered
	4.Induction hardened with Q&T

2.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	1.60	0.55	0.035	0.04
ST37	0.17	1.60	0.55	0.04	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				0.08-1.10

3.Mechanical Properties

Material	T.S  N/MM²	Y.S N/MM²	E%(MIN)	Condition
CK45	610	355	15	Normalized
CK45	800	630	20	Q+T
ST52	500	355	22	Normalized
20MnV6	750	590	12	Normalized
42CrMo4	980	850	14	Q+T
40Cr	1000	800	10	Q+T

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