Gold Member Since 2014
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Zhangjiagang Maitan Metal Products Co., Limited

Nbk Seamless Tube, St37.4 Seamless Tube, St52.4 Seamless Tube manufacturer / supplier in China, offering High Precision Seamless Tube Nbk Finished, Cu-Ni Plate ASTM B171 Copper Alloy Plate, Tp 317 Stainless Steel Seamless Heat Exchanger Tube and so on.

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Supplier Homepage Product Stainless Steel Tubes High Precision Seamless Tube Nbk Finished

High Precision Seamless Tube Nbk Finished

FOB Price: US $1 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $1/ Piece
Get Latest Price
Production Capacity: 50000PCS
Transport Package: Wooden Case
Payment Terms: L/C, T/T, D/P
Basic Info
  • Model NO.: DIN2391-94/C, 10#, 20#, ST37.4, ST52.4
  • Diameter: 4 to 60 Mm
  • Cross-Section Shape: Round
  • Nbk Precision Seamless: Oiling Surface and Plastic Capping
  • Specification: acc to the ASTM specifications or others
  • HS Code: 7305190000
  • Standard: ASTM, API, DIN
  • Medium: Carbon Steel and Alloy Steel
  • Connection Type: Seamless
  • Trademark: Tongji Engineering
  • Origin: China
Product Description
DIN Cold Drawing and BA Seamless Tube With High Precision

Synopsis of process Routing
Quality carbon steel - Cold draw- Heat treatment without oxidization (NBK Status)- Nondestructive Testing.
In the wall honing flushing under the high perssure- Antirust oiling out surface- Plastic capping on both ends.

Main Features
High precision, excellent brightness, no oxidization on the outer and inner walls after heat treatment, high cleanness of inside wall.
The steel tube is able to withstand high pressure.
No deformation after cold bending, No crack after flaring and flattening.
The complicated geometrical forming and machining can be realized.
Color of tube surface: gray with white.

Main Application
To be used in hydraulic system,Automobile and in the occasion where the high precision, Brightness, cleanness and mechanical properties of tube are required.

Maitan NBK high precision seamless steel tubes size range: OD4.0 - 60.0mm, WT 0.5 - 8.0mm.

We always seek and improve our service as per requirement of our valued customers.
Type of product Grade(s)  Technical requirements 
* according to
DIN Cold Drawing and BA Seamless Tube
with high precision
ST37.4, ST45,ST52.4
ST 35.8, ST45.8 etc
 GB /T8713
EN10305-1, EN10305-4
DIN17175 or Closer
 High- Pressure Seamless Steel Tubes
  For compression ignition engine
 ST35, ST37.4, ST52.4
OD 6~10x WT 1~4 mm
ISO 8535
Black Phosphated Seamless Steel Tube  10#,20#
ST37.4, ST45,ST52.4
ST 35.8, ST45.8 etc
    GB /T8713
EN10305-1, EN10305-4
DIN17175 or Closer
 Precision Galvanized Steel Tube   10#,20#
ST37.4, ST45,ST52.4
   GB /T8713
EN10305-1, EN10305-4
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