Feature:  high precision, good brightness,
                no oxidize residual, could withstand high pressure,
                no deformation after cold bending,
                no crack and break after flattening and flaring,
                good mechanical property and no deformation after bending at any angle.

  1) Description: Cold-drawn or cold-rolled high precision seamless steel tube
  2) Brandname: XINGYU
  3) Grade: 10#;20#;16Mn; ST30Al;ST35; ST37;ST37.4;ST37.4;ST45;ST52;ST52.4;etc.
  4) Standard: ASTM A519;ASTM A106 ;JIS; DIN2391; DIN 1629;DIN1630,DIN 73000;EN10305-1 or any other equivalent stardard
  5) Specification: Outer Diameter: 4mm-50mm;
                               Wall Thickness: 0.5mm-5mm
  6) Diameter tolerance: 0.05mm (Enterprise internal control) or
                                         0.03mm(Special high-precision)
  7) Length: 4-12 Meters
  8) Surface treatment :
1. Bare Tube (No coating)-Bright and smooth; Surface Roughness: BK<0.2Ra; NBK<2Ra
2. Surface coating
         a.silver galvanized
         b.yellow galvanized
         c.olive green coated
3. Black and Phosphated
Layer thickness:8-25um; saity spray test: 48-150 hours

9) Process method: Cold-drawn or cold-rolled
10) Packing: wrapped with PVC and gunny sacks
11) Basic Inspection:  Chemical analysis and mechanical testing
12) MOQ: 1 MT
13) Delivery time: 45 days after 30% deposite;
                                or upon receipt of relevant L/C
14) Production capability: 300 MT/month
15) Payment method:T/T; L/C;  Other electric payment such as paypal
16) Certification: ISO9001: 2008
17) Application:
Automotive pipeline system;
hydraulic system of diesel engine and engineering machinery;
hydraulic system of locomotive, aerospace and aviation,
shipbuilding and various machinery;
metal processing of wind power equipment;
etc.