Gold Member Since 2015
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Qingdao Ironsteel International Trading Co., Ltd.

Steel Pipe, Seamless Steel Pipe, Seamless Pipe manufacturer / supplier in China, offering Precised Cold Drawn Seamless Steel Pipe for Mechanical Processing, 34CrMo4 Alloy Seamless Steel Pipe for Gas Cylinder Pipe, High Precision Honed Pipe for Hydraulic Cylinder by St52, Q345b and so on.

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Supplier Homepage Product Carbon Seamless Steel Pipe Precised Cold Drawn Seamless Steel Pipe for Mechanical Processing

Precised Cold Drawn Seamless Steel Pipe for Mechanical Processing

FOB Price: US $499-798 / Ton
Min. Order: 5 Tons
Min. Order FOB Price
5 Tons US $499-798/ Ton
Get Latest Price
Port: Tianjin, China
Production Capacity: 100 Tons Per Month
Payment Terms: L/C, T/T
Basic Info
  • Model NO.: IR-C
  • Technique: Cold Drawn
  • Surface Treatment: Polished
  • Section Shape: Round
  • Wall Thickness: 0.8mm~20mm
  • Surface: Annealed, Pickling, Straightening
  • Trademark: Iron&steel
  • Specification: GB/T8163, JIS, DIN
  • HS Code: 73041990
  • Type: Seamless
  • Material: Carbon Steel, Alloy Steel, Stainless Steel
  • Usage: Pipeline Transport, Oil/Gas Drilling, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
  • Outer Diameter: 18mm~416mm
  • Length: 6meters, 9meters, 12meters, Random Length
  • Tolerance of Size: +/- 0.05mm
  • Transport Package: Bundled, Wrapped, Wooden Cased.
  • Origin: China
Product Description
Toleraance of size: ±0.05mm(outer diameter). 
OD: 21mm~416mm
Wall thickness: 0.8mm~20mm
Technique: Cold drawing
Standard: ASME SA192/SA179, GB/T8162, GB/T8163, GB/T3639, DIN2391-2
Steel material: 20#(AISI 1020/DIN1.0402 C22), 45#(ASTM 1045, DIN45), 20Cr, Q345B, etc
We are professional manufacturer of cold drawn seamless steel pipe in China. Our seamless steel pipe with very high precision of size
Usage: Widely used for mechanical processing, Automobile industry, hydraulic equipments
Advantages of our high precision seamless steel pipe: 
1. Smaller caliber
2. Accept small qty order
3. Good surface treatment
4. The pipe with superior performance, suitable for mechanical making
Accurate size
Precised Cold Drawn Seamless Steel Pipe for Mechanical Processing
Precised Cold Drawn Seamless Steel Pipe for Mechanical Processing
Precised Cold Drawn Seamless Steel Pipe for Mechanical Processing
Precised Cold Drawn Seamless Steel Pipe for Mechanical Processing







Anti-corrosion Packing
Final Supply Conditions
DesignationSymbolDescription
Cold finished (hard)BKTubes do not undergo heat treatment following the final cold forming and, thus, have a rather high resistance to deformation
Cold finished (soft)BKWThe final heat treatment is followed by cold drawing involving limited deformation. Appropriate further processing allows a certain degree of cold forming(e. G. Bending expanding). 
Cold finished and stress-rellevedBKSHeat treatment is applled following the last cold forming process. Subject to appropriate processing conditions, the increase in the residual stresses involved enables both forming and machining to a certain degree
AnnealedGBKThe last cold forming process is followed by annealing in a controlled atmosphere
NormalizedNBKThe last cold forming process is followed by annealing above the upper transformation point in a controlled atmosphere

Preicision Seamless Tube Size List
OD (mm)Thickness (mm)OD (mm)Thickness (mm)OD (mm)Thickness (mm)OD (mm)Thickness (mm)
Φ13.11.5-3Φ35.51.5-7Φ46.11.5-10Φ931.5-15
Φ19.251.5-5Φ35.91.5-7Φ47.81.5-10Φ19-Φ1211.5-15
Φ221.5-5Φ36.61.5-7Φ49.21.5-10    
Φ22.21.5-5Φ381.5-8Φ49.51.5-10    
Φ251.5-6Φ38.41.5-8Φ52.31.5-10    
Φ26.31.5-6Φ401.5-10Φ53.81.5-10    
Φ271.5-6Φ40.21.5-10Φ571.5-10    
Φ281.5-6Φ40.91.5-10Φ591.5-10    
Φ301.5-6Φ41.31.5-10Φ601.5-11    
Φ30.251.5-6Φ41.61.5-10Φ62.51.5-11    
Φ30.91.5-6Φ421.5-10Φ741.5-11    
Φ311.5-7Φ431.5-10Φ751.5-11    
Φ321.5-7Φ44.51.5-10Φ761.5-11    
Φ351.5-7Φ45.81.5-10Φ891.5-15    
Chemical Composition of seamless steel pipe 
MaterialChemical composition (%)
CMnPSSiNiCu
20#
AISI 1020
0.17~0.230.35~0.650.0350.0350.17~0.370.30.25
45#
ASTM1045, DIN45
0.42~0.50.5~0.80.040.0450.17~0.370.250.25
Mechanical Properties of seamless steel pipe 
Steel materialTensile Strength MPaYield strength MPaElongation
%
HardnessStraightness
20#51024525156HB0.3~1.0
45#64735516HRC620.3~1.
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