ST52 Q345B Cold Drawn Precision Steel Tube for Auto Parts with Large Diameter
Price:
Negotiable
MOQ:
1 ton
Delivery Time:
Within 50 days if production
Brand:
Hongbao
Product 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
- Incoming Raw Material Inspection
- Raw Material Segregation to avoid steel grade mix-up
- Heating and Hammering End for Cold Drawing
- Cold Drawing and Cold Rolling, on line inspection
- Heat Treatment, +A, +SRA, +LC, +N, Q+T
- Straightening-Cutting to specified length-Finished Measuring Inspection
- Mechanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Microstructure etc
- Packing and Stocking
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Jiangsu Hongbao Group Co., Ltd.
Location
DAXIN TOWN,ZHANGJIAGANG,JIANGSU P.R.CHINA
Contact Person
Angela