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ST52 Q345B Cold Drawn Precision Steel Tube for Auto Parts with Large Diameter
ST52 Q345B Cold Drawn Precision Steel Tube for Auto Parts with Large Diameter
ST52 Q345B Cold Drawn Precision Steel Tube for Auto Parts with Large Diameter
ST52 Q345B Cold Drawn Precision Steel Tube for Auto Parts with Large Diameter
Specifications
Brand Name :
Hongbao
Model Number :
HBPST-1
Certification :
TS16949, DNV, PED, ISO, TUV, LR
Place of Origin :
Jiangsu, China
MOQ :
1 ton
Price :
Negotiable
Supply Ability :
30000MT per year
Delivery Time :
Within 50 days if production
Packaging Details :
seaworthy plywooden case packing.
Payment Terms :
L/C,T/T
Origin: :
Jiangsu,China
OD: :
6-120mm
Thickness: :
0.5-15mm
Shape: :
Round
Type: :
Welded or Seamless
Processing: :
Cold Drawn, Cold Rolled
Description
ST52 Q345B Seamless Precision Steel Tube, Auto Parts Large Diameter Steel Tube
ST52 Q345B Cold Drawn Precision Steel Tube Round Cold Drawn Honed Tubes For Auto

Our ST52 Q345B cold drawn precision steel tube is a high-strength, precision-crafted round tube for automotive applications. Cold drawn and honed for exacting tolerances, this tube features excellent dimensional stability, high tensile strength and smooth inner surfaces. Ideal for use in engine mounts, suspension components and other critical auto parts where reliability and performance are paramount.

Delivery Conditions
Code Description
BK (+C) No heat treatment after last cold forming process
BKW (+LC) After last heat treatment there is a light finishing pass (cold drawing)
BKS (+SR) After the final cold forming process the tubes are stress relieve annealed
GBK (+A) After the final cold forming process the tubes are annealed in a controlled atmosphere
NBK (+N) After the final cold forming process the tubes are annealed above the upper transformation point in a controlled atmosphere
Packaging Options
  • Bundle Packing
  • Plain end or vanished as per customer's request
  • Wrapped in waterproof paper
  • Sackcloth with several steel strips
  • Pack in heavy tri-wall boxes
Quality Control Process
  1. Incoming Raw Material Inspection
  2. Raw Material Segregation to avoid steel grade mix-up
  3. Heating and Hammering End for Cold Drawing
  4. Cold Drawing and Cold Rolling, on line inspection
  5. Heat Treatment, +A, +SRA, +LC, +N, Q+T
  6. Straightening-Cutting to specified length-Finished Measuring Inspection
  7. Mechanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Microstructure etc
  8. Packing and Stocking
ST52 Q345B Cold Drawn Precision Steel Tube for Auto Parts with Large Diameter
Product tags

st45 precision steel tube

,

precision steel tube with en10305

,

sae52100 seamless steel tube
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ST52 Q345B Cold Drawn Precision Steel Tube for Auto Parts with Large Diameter

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Product Detail
Brand Name :
Hongbao
Model Number :
HBPST-1
Certification :
TS16949, DNV, PED, ISO, TUV, LR
Place of Origin :
Jiangsu, China
MOQ :
1 ton
Price :
Negotiable
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ST52 Q345B Cold Drawn Precision Steel Tube for Auto Parts with Large Diameter
ST52 Q345B Cold Drawn Precision Steel Tube for Auto Parts with Large Diameter

Jiangsu Hongbao Group Co., Ltd.

Verified Supplier
9 Years
jiangsu
Since 1958
Business Type :
Manufacturer
Main Products :
Welded Steel Tube, Precision Steel Tube, Hollow Steel Tube
Total Annual :
>76000000
Employee Number :
700~1000
Certification Level :
Verified Supplier
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