Hydraulic Cylinder Pipes

Product Detail

Hydraulic Cylinder Pipes introduction

WUXI HENGTONG PETROLIC MACHINERY has two factories of 40000 square meters and totally 150 employees manufactures pre honed tubes, ready to hone tubes, honed tubes, skived and roller burnished tubes, chrome bar, piston rods and high-precision cold-drawn steel tubes, Honed Tubes are presicion tubes with smooth inside , they also could be skived and burnished pipe. Tubes or pipes inside tolerance could be H10, H9 or H8. Outside tolerance, wall thickness tolerance are produced according to seamless cold drawn tubes for precision application standard GB/T3639-2009 , EN10305 or DIN2391 standard. Material SAE1020, 20#, ST45, CK45, ST52, E355 tubes and so on for you to choose.

Hydraulic Cylinder Pipe detail

Application: producing of hydraulic/ pneumatic cylinders, pumps, motor shells, transmission shafts and transmission roller steel pipes.

Original: Jiangsu, China

Certification: ISO9001.

Material: SAE1020, 20#, ST45, CK45, ST52, E355

Payment term: TT, LC

Delivery date: usually 20 to 40 days.

Packing: packed in bundle, oiled inside, with caps on both ends.

Market: Middle East/ Africa/Asia/South America/Europe/North America

MOQ:  Depends on exact size and material.

Size and Tolerance:

Large diameter honing tube pneumatic cylinder tube For pipes / tubes:

1. Material we have :

DIN2391 standard ST52, St45,  EN10305 standard E355,E255, ASTM A106B grade, 16Mn, C20/20#, CK45

2. Chemical composition:

Material	C	Si	Mn	S(=)	P(=)	Cr	Ni	Mo	other
A106B/ C20#	0.17—0.23	0.17—0.37	0.35—0.65	0.035	0.035	=0.25	=0.30		Cu=0.25
CK45#	0.42—0.50	0.17—0.37	0.50—0.80	0.035	0.035	=0.25	=0.30		Cu=0.25
Q345B	=0.20	=0.55	1.00—1.60	0.040	0.040	V:0.02-0.15	Nb:0.015-0.06	Ti:0.02-0.20	Alt=0.015
ST52 E355 16Mn	=0.20	=0.55	1.00—1.60	0.045	0.045	V:0.02-0.15	Nb:0.015-0.06	Ti:0.02-0.20	16Mn
25Mn	0.22—0.30	0.17—0.37	0.70—1.00	0.035	0.035	=0.25	=0.25
27SiMn	0.24—0.32	1.10—1.40	1.10—1.40	0.030	0.030
42SiMn	0.39—0.45	1.10—1.40	1.10—1.40	0.030	0.030
42CrMo	0.38—0.45	0.17—0.37	0.50—0.80	0.025	0.025	0.90—1.20		0.15—0.25




3. Tube Accuracy :

Working method	Cylinder ID (mm)	Length (m)	Straightness (mm/m)	Tolerance on ID	Tolerance on WT	Roughness (µm)
Cold drawn	40-320	=12M	0.2-0.5	/	±5%	0.8-1.6
Cold rolling	30-100	=12M	0.2-0.5	/	±5%	0.8-1.2
cold drawn-honed	40-500	8M	0.2-0.3	H8-H9	±5%	0.2-0.4
Cold drawn-skived	40-400	9M	0.2-0.3	H8-H9	±5%	=0.2
Hole boring-honed	320-400	8M	0.2-0.3	H7-H9	±8%	=0.4
Hole boring-skived	320-400	9M	0.2-0.3	H8-H9	±8%	=0.2




4. Mechanical property:

Final Supply      Condition	Cold drawn finished      (BK)		Cold drawn and stress-relieved      (BKS / SR)			Hardness HB
Parameters	Tensile Strength      (MPA)	Elongation      d%	Tensile Strength      (MPA)	Yield Strength      (MPA)	Elongation      d%
A106B/ C20 / 20#	=550	=8	=520	=470	=12	175
45#(CK45)	=650	=5	/	/	/	/
16Mn(ST52,E355)	=640	=5	=600	=520	=15	190
25Mn	=640	=5	=600	=510	=15	195
27SiMn	=840	=5	=800	=720	=10	230



Our Advantage

1. We has two factories of 40000 square meters and totally 150 employees to promise the Honed Tubes In Stock best quality control;

2. According to the cylinder pressure and inside diameter size ,different hydraulic cylinder honed tube Would be choosed ;

3. Our motivation is --- customers’ satisfaction smile;

4. Our believing is --- pay attention to every detail;

5. Our wish is ----perfect co-operation.

IF you are looking for seamless cold drawn honed tubes or SRB tubes for hydraulic cylinder pipes or pneumatic cylinder tubes, please contact us without any hesitation.