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Automative Application Precision Steel Tube 34MnB5 SR / N Condition Welded

Place of Origin Jiangsu, China
Brand Name Hongbao
Certification TS16949,DNV,PED,ISO,TUV,LR
Model Number HBPST-1
Minimum Order Quantity 1 ton
Price Negotiable
Packaging Details seaworthy plywooden case packing.
Delivery Time Within 50 days if production
Supply Ability 30000MT per year
Product Details
Material ST37.4,ST52.4,E235,E355,26MnB5,34MnB5 Brand Hongbao
Origin Jiangsu,China OD 6-120mm
Thickness 0.5-15mm Processing Cold Drawn, Cold Rolled
High Light

precision steel pipe

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erw precision tubes

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Product Description

Condition SR N LC Welded Steel Pipes ERW High Precision Steel Tube For Automative Application

 

Description:

Technique Cold drawn & cold rolled
Application 1. Automotive and mechanical pipes
2. Petroleum cracking pipes
3. High Pressure Boiler Pipe
4. Low and middle pressure fluid transportation pipeline
5. Chemical fertilizer equipment pipes
6. Heat exchanger pipes

Delivery

Conditions

1. BK (+C) No heat treatment after last cold forming process.
2. BKW (+LC) After last heat treatment there is a light finishing pass (cold drawing)
3. BKS (+SR) After the final cold forming process the tubes are stress relieve annealed.
4. GBK (+A) After the final cold forming process the tubes are annealed in a controlled atmosphere.
5. NBK (+N)

After the final cold forming process the tubes are annealed above the upper transformation

point in a controlled atmosphere.

Package 1. Bundle Packing.
2. Plain end or vanished as per customer's request.
3. Wrapped in waterproof paper.
4. Sackcloth with several steel strips.
5. Pack in heavy tri-wall boxes.

 

Certificates: according to EN 10204 3.1

Inspection Items: Tensile stength, Yield stength, Elongation, Flattenging, Flaring

Chemical analysis

Eddy Current Test 100%, Size and surface checking 100%

Other test item can be arranged as per request

 

The tubes can be produced in the following delivery conditions:

BK (+C) Cold finished/hard (cold finished as drawn).

No heat treatment after the last cold forming process.

 

BKW (+LC) Cold finished/soft (lightly cold worked)

After the last heat treatment there is a light finishing pass (cold drawing).

 

BKS (+SR) Cold finished/stress relieve annealed.

After the final cold forming process the tubes are stress relieve annealed.

 

Automative Application Precision Steel Tube 34MnB5 SR / N Condition Welded 0