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Cold Rolled Q345 E255 ST52 High Precision Seamless Steel Tube for Automative Use

Minimum Order Quantity : 2 tons Price : Negotiable
Packaging Details : Packed in wooden boxes or seaworthy packing. Delivery Time : 25-45 days
Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram Supply Ability : 500 Ton/Tons per month
Place of Origin: China Brand Name: Torich
Certification: ISO 9001 Model Number: GB/T 3639, DIN2391, EN10305

Detail Information

Product Name: Cold Rolled Q345 E255 ST52 High Precision Seamless Steel Tube For Automative Use Keyword: High Precision Seamless Steel Tube
Standard: GB/T 3639, DIN2391, EN10305 Grade: 10#, 20#, 45#, Q345, E255, E355, ST52, Etc.
Technical: Cold Drawn Or Cold Rolled Brand: TORICH
Section Shape: Round Type: Seamless
Length: As Customer's Require Secondary Or Not: Non-secondary
High Light:

precision steel pipe

,

precision seamless pipe

Product Description

Cold Rolled Q345 E255 ST52 High Precision Seamless Steel Tube for Automative Use

 

Standard: GB/T 3639, DIN2391, EN10305

Technique: Cold Drawn, Cold Rolled.

Size range: OD: 4-76mm, WT:0.5-8mm, Length: ≤12m, or at buyer's request.

Material: 10#, 20#, 45#, Q345, ST35, ST45, ST55, ST52.4,E215 E235 E355, etc

 

Surface:

NBK, Galvanization/Galvanized/Zinc Coated, Blue White Zinc (Trivalent Chromium Passivation),

Plating Colour Zinc(Trivalent Chromium Passivation), Yellow, Army-Green, Phosphated/Black Phosphated

 

Surface quality:

Without oxidization, No crack, No fold, No rolling fold, No scar, No laminar defect

 

Main feature:

High precision, Excellent brightness, No oxidization on outer and inner walls after heat treatment

High cleanness of inside wall, High pressure, No deformation after clod bending, No crack after flaring and flattening

 

Quality Control:

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. Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Mictrostruture etc
8. Packing and Stocking

100% of our steel tubes are dimensionally checked
100% of our steel tubes are visually checked to assure they have a perfect surface condition and no surface defects.
100% eddy current test and ultrosonic test to eliminate longitudinal and transversal defects

 

Delivery Condition: BK(+C), BKW(+LC), BKS(+SR), GBK(+A),NBK( +N)

BK (+C) Cold finished/hard No heat treatment after the last cold forming process.
BKW (+LC) Cold finished/soft 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.
GBK (+A) Annealed. After the final cold forming process the tubes are annealed in a controlled atmosphere.
NBK (+N) Normalized. After the final cold forming process the tubes are annealed above the upper transformation point in a controlled atmosphere

 

Product Display of Precison Steel Tube

Precison Seamless Steel TubePrecison Seamless Steel Tube

Seamless Cold Drawn DIN2391 17mm Precision Steel Tube for Hydraulic System 2

Seamless Cold Drawn DIN2391 17mm Precision Steel Tube for Hydraulic System 3

Packing & Delivery

Packing Details : In bundles or in wooden boxes packaging

DIN2391 St35 NBK Cold Drawn Seamless Steel Tube 14x3mm for Engineering Machinery Industry 2DIN2391 St35 NBK Cold Drawn Seamless Steel Tube 14x3mm for Engineering Machinery Industry 3
 
Our Certifications:
DIN2391 St35 NBK Cold Drawn Seamless Steel Tube 14x3mm for Engineering Machinery Industry 4
 
FAQ

Q: Are you trading company or manufacturer ?
A: A professional steel pipes materials inventor, manufacturer and solution provider


Q: How long is your delivery time?
A: Generally it is 7-14 days if the goods are in stock. or it is 30-60 days if the goods are not in stock, it is according to quantity.


Q: Do you provide samples of carbon seamless steel tube ? is it free or extra ?
A: Yes, we could offer the sample for free charge but need pay the cost of freight.


Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.


If you have another question, pls feel free to contact us.

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