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Quick Details

  • Standard: API, ASTM, BS, DIN, GB, JIS, GB/T3636-2000
  • Standard2: API 5L, ANSI A213-2001, ASTM A106-2006, ASTM A312-2001, ASTM A53-2007, BS 1387, DIN 1629/3, GB 5310-1995, GB/T 5312-1999, JIS G3429, JIS G3452-2004, JIS G3455-2005
  • Grade Group: 10#-45#, Cr-Mo alloy, Q195-Q345
  • Grade: 45#, 15CrMo, Q345
  • Thickness: 40 - 1000 mm
  • Section Shape: Round
  • Outer Diameter(Round): 1.5 - 20 inch
  • Place of Origin: Tianjin, China (Mainland)
  • Secondary Or Not: Non-secondary
  • Application: Hydraulic Pipe
  • Technique: Cold Drawn
  • Certification: CE
  • Surface Treatment: High Precision Cold Drawn
  • Special Pipe: API Pipe
  • Alloy Or Not: Non-alloy
  • Product: Seamless Precision Steel Tube CK45 Honed Tube
  • Material: CK45 AISI4140 27SiMn
  • Origin: China Mainland
  • Surface: Customers't Requirement
  • Out Diameter: 6-820mm
  • Wall thickness: 1-70mm
  • Length: 2-12m
  • Package: Wrapped by plastic then put in wooden case
  • Payment terms: T/T L/C D/P D/A

Packaging & Delivery

Packaging Details seaworthy wooden cases/steel framed cases/simple packing/as customer request
Delivery Time Within 7-15 days

 Seamless Precision Steel Tube CK45 Honed Tube


Material: 20# 45# 16Mn 27SiMn ST52

Standard: GB/T87138-88 GB/T3636-2000 DIN2391 EN10305

Straightness: 0.3--0.8mm/m

2.Chemical Composition(%)

GradeC(max)Si(max)Mn   P     S(max) 


3.Mechanical Properties

SteelTensile strength Yield    ElongationHardness HB


4.Product description 

Processing form I.D Length Straightness I.D Tolerance I.D Rounghness
Cold-rolled 20-100 <=10m 0.3-1.0 H7-H9 0.4-1.6
Cold-drawn 76-245 <=12m 0.3-1.0 H7-H9 0.8-1.6
Honed 40-180 <=7m 1000 H7-H9 0.4-0.8
SRB63-180 <=7m 1000 H7-H80.1-0.4








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China (Mainland) | Trading Company
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