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Precision Seamless Steel Pipe for Hydraulic Cylinder & Automotive Use

Professional supplier of Precision Seamless Steel Tubes. Optimized for Hydraulic Honed Tubes, Pneumatic Cylinders, and Automotive Parts. Featuring tight tolerances and superior surface finish for engineering machinery and smart locks. Meets DIN2391/EN10305 standards.

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Precision Seamless Steel Pipe | High Precision Steel Tube for Hydraulic Cylinders & Automotive Applications

The Precision Seamless Steel Pipe is a high-performance steel tube known for its high dimensional accuracy, smooth surface finish, and excellent mechanical properties. As a premium-grade precision steel pipe, it is manufactured to meet strict tolerances and surface quality requirements.

It is widely used in demanding applications where precision, durability, and performance are critical, including hydraulic cylinder tubes, pneumatic cylinder pipes, automotive steel tubes, auto parts, smart locking systems, and engineering machinery.

Steel No.			ID	OD	WT
20#	45#	Q345B	25	35	5
20#	45#	Q345B	30	40	5
20#	45#	Q345B	30	45	7.5
20#	45#	Q345B	32	42	5
20#	45#	Q345B	35	42	3.5
20#	45#	Q345B	40	46	3
20#	45#	Q345B	40	48	4
20#	45#	Q345B	40	50	5
20#	45#	Q345B	45	55	5
20#	45#	Q345B	45	56	5.5
20#	45#	Q345B	50

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Address: No. 75 Xinda Road, Fenshui, Zhoutie Town, Yixing City, Jiangsu, ChinaTelephone: +86 13382221368Email: jianfanjiang9@gmail.com

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We are a professional steel tube manufacturer with over 30 years of experience, specializing in precision steel tubes, seamless steel tubes, PTO drive shaft tubes, and profiled steel tubes. With advanced production facilities and strict quality control, we provide reliable and customized tube solutions for industries including agriculture, automotive, and machinery.

Committed to quality, innovation, and customer satisfaction, we serve clients worldwide and strive to be a trusted global partner in steel tube manufacturing.