Hydraulic Honing Steel Pipe

Description

Hydraulic Honing Steel Pipe is a precision steel pipe manufactured through a honing process. Its interior surface undergoes a special treatment, resulting in exceptionally high smoothness and dimensional accuracy. Honing is a combined grinding and polishing process that effectively removes microscopic irregularities on the pipe’s interior surface, resulting in a mirror-like finish. Hydraulic Honing Steel Pipe is typically made from high-quality alloy steel or stainless steel and undergoes multiple processing steps to meet the needs of diverse industrial applications.

Compared to ordinary seamless steel pipe, the main advantages of Hydraulic Honing Steel Pipe include the following:
High Precision: Tightly controlled inner diameter tolerances make it suitable for precision fitting applications.
High Finish: Extremely low surface roughness reduces friction and extends service life.
High Wear Resistance: Heat treatment and surface hardening provide excellent wear resistance.

Hydraulic Honing Steel Pipe Production Process

The manufacturing process of Hydraulic Honing Steel Pipe involves multiple critical steps, each of which directly impacts the quality of the final product. The following are its main production processes:
(1) Raw material selection High-quality Hydraulic Honing Steel Pipe usually uses cold-drawn seamless steel pipe as the base material to ensure the uniformity of the material and the stability of the mechanical properties. The raw materials must be strictly tested to ensure that there are no defects such as cracks and pores.

(2) Rough processing and heat treatment The pipe is first rough-processed by turning or boring to initially form the inner hole size. Then it is heat-treated (such as tempering or quenching) to improve the hardness and toughness of the material, laying the foundation for subsequent fine processing.

(3) Honing process Honing is the core process, and the inner wall of the pipe is precisely ground by the grinding stone on the honing machine. During the honing process, the grinding stone reciprocates at a certain pressure and speed, gradually removing tiny excesses and forming a cross-grinding structure, which helps to store lubricating oil and improve wear resistance.

(4) Inspection and packaging The finished product must undergo multiple quality inspection procedures such as inner diameter measurement, surface roughness inspection, and straightness inspection to ensure that it meets the standards. Qualified products are then treated with rust prevention and packaged for shipment.

Main application areas of Hydraulic Honing Steel Pipe

Honing pipes are widely used in the following fields due to their excellent performance:
(1) Hydraulic system
In hydraulic cylinders, oil cylinders and other equipment, Hydraulic Honing Steel Pipe is used as a cylinder barrel. Its high-precision inner wall can ensure the sealing of the piston, reduce leakage and improve system efficiency.

(2) Mechanical transmission
The guide shafts and transmission shafts of some precision machinery use Hydraulic Honing Steel Pipe to reduce friction loss and ensure smooth movement.

(3) Automobile industry
Automobile shock absorbers, steering systems and other components often require high-precision pipes. Hydraulic Honing Steel Pipe can meet their stringent dimensional and surface requirements.

(4) Energy equipment
In high-pressure pipelines in the petroleum, chemical and other industries, Hydraulic Honing Steel Pipe has outstanding pressure resistance and sealing performance.

Steel grade	Chemical composition,%
	C	Si	Mn	P	S	Cr	Ni	V	Al
				≤                        ≥
C20	0.17-0.24	0.17-0.37	0.35-0.65	0.035	0.035	0.250	0.250	/	/
CK45	0.42-0.5	0.17-0.37	0.5-0.8	0.025	0.020	0.250	0.300	/	/
Q355B	≤0.2	≤0.5	1.00-1.60	0.030	0.030	0.030	0.250	0.080	/
Q355D	≤0.2	≤0.5	1.00-1.60	0.030	0.030	0.250	0.250	0.150	0.150
E355(ST52)	≤0.22	≤0.55	≤1.6	0.025	0.025	0.250	0.250	/	/
SAE1026	0.22-0.28	0.15-0.35	0.6-0.9	0.040	0.050	/	/	/	/
4130	0.28-0.33	0.15-0.35	0.40-0.60	0.040	0.040	0.80-1.10	/	/	/
4140	0.36-0.43	0.15-0.35	0.75-1.00	0.040	0.040	0.80-1.10	/	/	/

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Packing & Delivery

Shipping By Sea

1. Standard packaging
2. Packaging according to customer requirements