Thin Wall Precision SeamlessTube

Thin Wall Precision SeamlessTube

Min Order Quantity:1TON

Port:Tianjin Port ,China

Sample :for free

Trade Terms: FOB / CIF / CFR

Payment: L/C,D/A,D/P,T/T,Western Union,Money Gram payments for offline orders.

Mobile/whatsapp: +86-15076763716




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  • On-time shipment and pre-shipment product quality safeguards.
  • Payment refund up to 100% of the Trade Assurance Order Amount.
  • Trade Assurance coverage.

Precision steel pipe is widely used in automobiles, motorcycles, electric cars, petrochemical, electric power, ships, aerospace, bearing, pneumatic components, such as low pressure boiler seamless steel tubes in the category, also can be applied to steel sleeve, bearings, hydraulic, mechanical processing and other fields.

Size range

Thin wall precision tubes are available in the following size range :

Outside diameter 5-50 mm
Wall thickness 1-3.00 mm


Tubes are delivered with the following tolerances :

Outside diameter +/-0.75% with a minimum of +/-0.02 mm (0.00079 in.)
Wall thickness +/- 10%


Mateial: 10、20、35、45 、40cr、42CrMo

Length: Random lengths of 5.2-7.3 m (17-24 ft);Cut lengths of 1.5-9.1 m (5-30 ft)

Precision steel tube formula: (outer diameter  – wall thickness) * wall thickness *  0.02466 kg/m =(weight of per meter)


Annealed or hard condition depending on the size and application.

Surface finish

Highly polished or bright annealed surface. A pickled surface can be delivered on request.

Surface roughness ≤ 0.4 μm on both the outside and inside surfaces is guaranteed.


Tubes can be cut to length or delivered in straight lengths up to 9 meters maximum.


We can provide the following types of testing for thin wall precision tubes:

  • Corrosion test
  • Flaring test
  • Flattening test
  • Hardness test
  • Mechanical and chemical tests
  • Microstructure test
  • Eddy Current and ultrasonic tests (on request)

Standard &material

20# Thick Wall Precision SeamlessTube


Mateial:10、20、35、45 、40cr、42CrMo

Grade chemical component%
C Si Mn S P Cr
10 0.07-0.13 0.17-0.37 0.35-0.65 ≤0.035 ≤0.035
20 0.17-0.23 0.17-0.37 0.35-0.65 ≤0.035 ≤0.035
35 0.32-0.39 0.17-0.37 0.35-0.65 ≤0.035 ≤0.035
45 0.42-0.50 0.17-0.37 0.50-0.80 ≤0.035 ≤0.035
40Cr 0.37-0.44 0.17-0.37 0.50-0.80 ≤0.035 ≤0.035 0.08-1.10
25Mn 0.22-0.29 0.17-0.37 0.70-1.00 ≤0.035 ≤0.035 ≤0.25
37Mn5 0.30-0.39 0.15-0.30 1.20-1.50 ≤0.015 ≤0.020

Pls contact me

Name: July

CangZhou ZhongShun Steel Pipe Trade  CO., LTD

mobile/whatsapp: +86-15076763716



Global Business

1. More than 10 years of sales experience

2. Product exported more than 150 countries

3. Arrange to produce according yo customer's request

Fast Delivery

1. AA level customs broker,Faster through

2. 20 years of experience in the freight forwarding company

3. Delivery Detail: 10-20 days

Trusted Quality

1. Certificate: API, CE, ISO9001.2000.MTC etc

2. Inspection: BV,SGS,others is avaliable.

3. A complete testing system and testing equipments

One-Step Service

1. Free sample can be provided

2. Small order is acceptable

3. OEM is acceptable

4. Any third party testing is acceptable




  • Phone0086-317-2159105


  • Phone0086-317-2159106