Hydraulic Cylinder Honed Tube Seamless Steel Pipe

Description

Video Description

Hydraulic steel pipes are basically divided into fluid pipes and oil steel tubes used in hydraulic systems, also known as honing pipes, and cold drawn or cold rolled precision seamless steel pipes also include hydraulic steel pipes.
Cold-drawn or cold-rolled precision seamless steel tubes for hydraulic equipment with high dimensional accuracy and good surface finish. Precision seamless steel pipe is used to manufacture mechanical structures or hydraulic equipment, etc., and the precision steel pipe is a high-precision seamless steel tube processed by cold drawing or cold rolling. Because the inner and outer walls of precision steel pipes have no oxide layer, withstand high pressure without leakage, high precision, high finish, no deformation in cold bending, flaring, flattening without cracks, etc., they are mainly used to produce pneumatic or hydraulic products.
In the standard it is DIN2391-1. The raw materials of the hydraulic steel pipes have undergone precision drawing, non-oxidative bright heat treatment (NBK state), non-destructive testing, the inner holes of the steel pipes have been washed by high pressure and pickled, the inner and outer walls of the steel pipes have been treated with anti-rust oil, and both ends are sealed for dust-proof treatment. . The steel pipe produced has high precision and good finish. There is no oxide layer on the inner and outer walls of the steel pipe. The steel pipe can withstand the high pressure of the liquid flow through it. The steel pipe is cold-bent without deformation, and can be flared and flattened without cracks. Mechanical properties can be bent at any angle without deformation. It is mainly used to prepare steel pipes in the oil circuit of hydraulic systems, also called hard piping in hydraulic systems, precision steel pipes for automobiles, and the specifications are generally outer diameter (D) Φ4mm-76mm, wall thickness (S) 0.5mm-6.0mm. The length is 6 meters to length (except custom-made), and the delivery status is NBK (normalizing), GBK (annealing), BKS (stress relief annealing). The main materials are ST35, ST37.4 (10#), ST45 (20#), ST55 (35#), ST52 (16Mn), etc., which can meet the requirements of steel pipes with high precision, high finish, high tensile strength and high mechanical properties. client.
European standard EN10305-4: 2003 standard hydraulic steel pipe Introduction: The precision hydraulic steel pipe produced is a seamless pipe after precision cold drawing, which is made by anaerobic tempering treatment to eliminate surface and internal stress, and then phosphating and antirust treatment. The product has high dimensional accuracy, good ductility, and is easy to process and bend into various required shapes without shrinking or flattening the cross-section of the pipe; the surface of the pipe has high precision, and the surface hardness is moderate after anaerobic tempering treatment, which is easy for ferrule connection. And the surface can be installed directly without pickling and rust removal after phosphating and antirust treatment.
Honing tube: cold-rolled precision seamless steel tube is made of seamless steel tube finished tube or seamless tube raw tube, after pickling, phosphating and saponification treatment, and then rolled into hydraulic steel tube by cold rolling mill. The precision of the hydraulic steel pipe is extremely high and can generally be controlled within the range of 0.02-0.05MM. The standard is: GB3639-83, the allowable deviation of the inner diameter is 0.03mm, the inner surface roughness: Ra 0.2～0.8μm, the hydraulic steel pipe is straight Degree: 0.3 ~ 1.5mm/m, specially used for oil steel cylinder diameter.

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PRODUCT DESCRIPTION

Steel Grade	Standard				Application
	GB(China)	ASME(USA)	DIN/EN(Euro)	JIS(Jpan)
Carbon steel	10 20 20G 20MnG 25MnG Q345B/C/D/E	A106 SA-106B SA-106C SA-192 SA-210A1 SA-210C	St35.8 St45.8 P235GH P265GH	STB340 STB410 STB510	Economizer tube Water wall tube, pipeline, header pipe, Petrochemical furnace tube, heat exchange tube
Mo steel	15MoG 20MoG	SA-209 T1 SA-209 T1a SA-209 T1b	16Mo3	15Mo3 16Mo3	Water wall tube Superheater tube Reheater tube
Cr-Mo Steel Cr-Mo-V steel	12Cr1MoG 12Cr2MoWVTiB		12Cr1MoV 14MoV63		Superheater tube Reheater tube, Pipeline, Header pipe, Petrochemical furnace tube, Heat exchange tube
Cr-Mo-Steel Cr-Mo-W Steel Cr-Mo Steel Cr-Mo-W steel	12CrMoG 15CrMoG 12Cr2MoG 10Cr9Mo1VNbN 10Cr9MoW2VNbBN 12Cr1Mo 12Cr5Mol/NT 12Cr9Mol/NT	T11/P11 T12/P12 T22/P22 T23/P23 T24/P24 T5/P5 T9/P9 T91/P91 T92/P92	10CrMo5-5 12CrMo4-5 10CrMo9-10 7CrWVMoNb9-6 7CrMoVTIB10-10 X10CrMoVNb9-1 X10CrWMoVNb9-2 X11CrMo5+l/NT X11CrMo9-1+l/NT	STB20 STB22 STB23 STB24 STB25 STB26	Superheater tube, Reheater tube, Main steam pipe, Pipleline, Header pip, Petrochemical furnace tube, Heat exchange tube
Carbon steel Ni steel	16MnDG 10MnDG 09DG	A333-1 SA-333-1 A333-6 SA-333-6 A333-3 SA-333-3		STPL380 STPL450	Tube & pipe for Low-temperature service
Austentic Stainless steel	—	AP304  TP304H TP321 TP321H TP347 TP347H TP316 TP316H S30432 TP310HCbN		—	Superheater tube Reheater tube

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FAQ

Q:Can I get samples before order ?

A:Yes, of course. Usually our samples are free,we can produce by your samples or technical drawings.

Q:Can I go to your factory to visit?

A:Of course, we welcome customers from all over the world to visit our factory.

Q:What product information do I need to provide?

A:You need to provide the grade, width, thickness, coating and the number of tons you need to purchase.

Q:Does the product have quality inspection before loading?

A:Of course, all our products are strictly tested for quality before packaging, and unqualified products will be destroyed.we accept third party inspection.

Q:How do we trust your company?

A:We specialise in steel business for years, headquarter locates in Liaocheng, Shandong province, you are welcome to investigate in any ways, by all means, we have CE and ISO9001 certificate, quality can be guaranteed.