Yee Young Industrial Co., Ltd.

Yee Young, established in Taiwan for 30 years, specializes in rods and tubes for transmission industry. As one of the leading companies with great reputation, Yee Young has certificated ISO 9001 for years. We offer Hydraulic Honed Tube, Stainless Seamless Steel Honed Tube, Cold Drawn Precision Steel Tube, Aluminum Alloy Tubes, OST2 Seamless Carbon Steel Pipe, Hard Chrome Shaft, Induction Harden Chrome Plated Rod, Stainless Steel Harden Chrome Rod, Bearing Steel Bar, Guide Rod, Slide Rail, Tie bar, Column Rod, etc. We value our quality, clients, working efficiency and harmony with stakeholders as our main mission. Through continuing improvement, we provide reasonable price and satisfied products to our customers. Our goal is to pursue the largest benefits for our clients.

YT OST2,Seamless Carbon Steel Pipe,Seamless Steel Honed Tube

Our company is a well-known manufacturer of premium grade Hydraulic Cylinder Tube-Skiving and Roller Burnishing in Taiwan.We have devoted ourselves to serve the clients with our durability, fair price and strong efficiency of Hydraulic Cylinder Tube-Skiving and Roller Burnishing.

Seamless Carbon Steel Pipe


Seamless Carbon Steel Pipe

Seamless Carbon Steel Pipe is especially designed for Oil Pressure Service.

Seamless Carbon Steel Pipe is made of DIN1630 St 37.4 /JIS STKM 11A/ OST-2. Seamless Carbon Steel Pipe has good ductility and is bendable. Wire can be placed inside. Seamless Carbon Steel Pipe also applies to mechanical piping, hydraulic piping, etc.
Specification :

Working Pressure
Working Pressure
4 1.0 805 18 2.5 309
6 1.0 402 20 2.0 201
8 1.0 268 20 2.5 268
8 1.5 483 22 2.0 178
10 1.0 201 22 2.5 235
10 1.5 345 25 2.5 201
12 1.2 201 25 3.0 254
12 1.5 268 28 2.5 178
15 1.2 153 28 3.0 218
15 1.5 201 30 3.0 201
15 2.0 292 34 3.5 208
18 1.5 161 38 3.5 191
18 2.0 230 42 4.0 189
★ Other specifications can be ordered, please kindly contact with us!

Detail :

Standard Length :4000/ 6000 mm
The surface are glossy of both O.D. & I.D

Application :

  • For high, medium and low pressure oil service
  • Hydraulic cylinder
  • Construction of chemical plant
  • Pipe work
  • Mechanical engineering use
  • Steam boilers
  • Pressure vessels
  • Car oil pressure

Material :

Material No. Similar International Grade Suitable for…
1.0255 DIN 1630 ST37.4/ NF TU37b (TUE220b) / JIS STPT370 (STS38) / ISO TS4 Construction of chemical plant, pipe work and mechanical engineering use
Suffer high working pressure
Steam boilers; pressure vessels
★ Above similar steel grades are only for your reference, please kindly refer to each standard for further differences.
★ Other specification and material can be ordered.

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