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Din2391 Seamless Precision Steel Tube For Mechanical / Automotive Engineering

Basic Information
Place of Origin: ZHEJIANG, CHINA
Brand Name: TORICH
Certification: ISO9001, ISO14001, TS16949
Model Number: DIN2391
Minimum Order Quantity: 5Tons per Year
Price: USD800-1200/Tons
Packaging Details: Seamless Precision Steel Tubes are packed in wooden boxes or hexagonal bundles in seaworthy packing.
Delivery Time: 30-45 work days
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 2000Tons per Year
Detail Information
Keyword: Seamless Precision Steel Tubes Standard: DIN2391
Grade Group: 10#, 20#, 16Mn, ST35, St45, St52 Technique: Cold Drawn
Surface Treatment: Oiled Shape: Round
OD: 4-80mm WT: 0.5-10mm
End Protector: Plastic Pipe Cap Usage: Mechanical And Automotive Engineering
High Light:

precision steel pipe

,

precision seamless pipe


Product Description

Precision Steel Tube Cold Drawn Carbon Seamless Steel Pipe DIN2391 St35 St45 St37.0 St37.4 St52.0 St30Si

 

Product Description:

Torich supply precision steel tubes size from OD 4 mm to OD80 mm,Wall thickness from WT 0.5 mm to WT 10 mm ,Length max 12m ,Could Cut to length for your special requests.Material ST 35,St45,St52 St30Al,St 30Si,Other materials upon agreement with customers.

 

Standard: DIN2391

Size Range: OD: 4-80mm

                     WT: 0.5-10mm

                     Length: 1-12m

Steel Grade: 10#, 20#, 16Mn, ST35, St45, St52

 

1.Production method:
Cold Drawn on the seamless steel tubes, to reach high accuracy on the OD and WT tolerance

 

2.Features:

Smooth inner and outer surfaces
Available in a variety of outer diameter sizes

Good raw material quality

Narrow tolerance

 

3.Deliver condition:
1). BK Cold finished (hard)
2). BKW Cold finished (soft)
3). BKS Cold finished and stress relieved
4). GBK Annealed
5). NBK Normalized

 

4.Relative standard:

DIN2391 Precision Seamless Steel tubes for precision hydraulic systems
DIN2393 Precision Welded Steel tubes for precision hydraulic systems

 

Product Pictures:

Din2391 Seamless Precision Steel Tube For Mechanical / Automotive Engineering 0Din2391 Seamless Precision Steel Tube For Mechanical / Automotive Engineering 1

 

5. Steel Grade and Chemical Compositions:

Grade

C

max

Si

max

Mn

P

max

S

max

ST35 0.17 0.35 ≥0.40 0.025 0.025
ST45 0.21 0.35 ≥0.40 0.025 0.025
ST52 0.22 0.35 ≥1.60 0.025 0.025


8.Mechanical properties

Grade Condition Tensile Point(Mpa) Yield Point(Mpa) Enlongation
ST35 BK ≥440   ≥6%
  BKW ≥370   ≥10%
  GBK ≥315   ≥25%
  NBK 340-470 235 ≥25%
ST45 BK ≥540   ≥5%
  BKW ≥470   ≥8%
  GBK ≥390   ≥21%
  NBK 440-570 255 ≥21%
ST52 BK ≥590   ≥5%
  BKW ≥540   ≥7%
  GBK ≥490   ≥22%
  NBK 490-630 355 ≥22%
 

Din2391 Seamless Precision Steel Tube For Mechanical / Automotive Engineering 2

Din2391 Seamless Precision Steel Tube For Mechanical / Automotive Engineering 3

 

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 for Precision Steel Tube Cold Drawn Carbon Seamless Steel Pipe DIN2391 St35 St45 St37.0 St37.4 St52.0 St30Si

 

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.

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 ? 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

Q: Stock is available ?

A: Some regual sizes of precision steel tubes is available with stock,Usually produce according to the order

Precision Steel Tube Cold Drawn Carbon Seamless Steel Pipe DIN2391 St35 St45 St37.0 St37.4 St52.0 St30Si

Contact Details
Claire ZHU

Phone Number : +8618957803066

WhatsApp : +8613736164628