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Round EN 10305-1 A369 Bright Annealed Tube

Round EN 10305-1 A369 Bright Annealed Tube

  • Round EN 10305-1 A369 Bright Annealed Tube
  • Round EN 10305-1 A369 Bright Annealed Tube
  • Round EN 10305-1 A369 Bright Annealed Tube
  • Round EN 10305-1 A369 Bright Annealed Tube
  • Round EN 10305-1 A369 Bright Annealed Tube
Round EN 10305-1 A369 Bright Annealed Tube
Product Details:
Place of Origin: CHINA
Brand Name: YUHONG SPECIAL STEEL
Certification: ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008.
Model Number: EN 10305-1 Steel tubes for precision E355+N Steel Tube
Payment & Shipping Terms:
Minimum Order Quantity: 100KGS
Price: NEGOTIABLE
Packaging Details: Ply-wooden Case /Iron Case/ Bundle with plastic Cap
Delivery Time: 20-80
Payment Terms: L/C, T/T
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Detailed Product Description
Specification: EN 10305-1 Steel Tubes For Precision E355+N Steel Tube Keywords: Precision Steel Tube, EN 10305-1, Precision Steel Pipe, High Precision, HPL Tube
Application: Hydraulic Systems Package: Standard Seaworthy Package
Shape: Round Pipe Surface: Bright
Grade: A53-A369, 16mn, 10#-45#, Cr-Mo Alloy, ST35-ST52, Q195-Q34 Technique: Cold Drawn
High Light:

EN 10305-1 Bright Annealed Tube

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A369 Bright Annealed Tube

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A369 precision steel tube

EN 10305-1 Steel tubes for precision E355+N Steel Tube

 

We are one of the biggest manufactures of stainless steel & duplex steel & alloy steel tubes and pipes in China. With development more than 20 years, we have accumulated a great many clients all around the world and Yuhong products also won the great praise among the customers.

 

Standard: EN 10305-1
Equivalent Standards: NF 699, DIN 2391, ASTM A519, GOST 9567-75, NBR 8476, BS 6323 Part 4, NF A 49-330-85, BS 6323-4, NF A 49-310, UNI 6403

 

Material: E355, 1.0580

Equivalent Materials: St52, St52.4, CFS 5, TU 52-b, Q345B, S355GT, TU 526, FE 510

 

Tubes according to EN 10305 standard are characterised by having precisely defined tolerances on dimensions and a specified surface roughness.

 

EN 10305 seamless precision steel tube shall be manufactured from hot finished seamless tubes by cold drawning. Other suitable methods of cold working are permitted. The tubes shall be delivered in the delivery condition +N which means that after the final cold drawing operation the tubes are normalized in a controlled atmosphere.

 

Specification

Name E355+N Black Phosphated Steel Tube with High Precision
Specification DIN2391-94/C, EN10305-1, EN10305-4, SAE J524, GB/T3639-2009
Steel Grade St35, St37.4, St45, St52.4, E235, E255, E355
Size OD:3-76mm, wall thickness: 0.5-6mm
Length 4m,6m or customized
Delivery Conditions NBK(+N), BK(+C), GBK(+A), BKW(+LC), BKS(+SR)
Features High cleanness inside wall, No deformation after cold bending, no crack after flaring and flattening, complicated geometrical forming and machining can be realized
Applications Used in hydraulic system, automobile and in the occasion where the high precision, brightness, cleanness and mechanical properties of the tube are required

 

 

Chemical Compositions

Steel Gr. Steel No. Chemical Compositions(%by mass)
C(max) Si(max) Mn P(max) S(max) Al(min)Total
St35, St37.4(E235) 1.0305 0.17 0.35 ≥0.40 0.025 0.025 0.015
St45(E255) 1.0408 0.21 0.35 ≥0.40 0.025 0.025 0.015
St52, St52.4(E355) 1.0508 0.22 0.55 ≤1.60 0.025 0.025 0.02

 

 

Mechanical Properties

Steel Gr. Steel BK BKW BKS GBK NBK
No. Rm A Rm A Rm ReH A Rm A Rm ReH A
  MPa % MPa % MPa MPa % MPa % MPa MPa %
  Min Min Min Min Min Min Min Min Min   Min Min
St35(E235) 1.0305 480 6 420 10 420 315 14 315 25 340-470 235 25
St45(E255) 1.0408 580 5 520 8 520 375 12 390 21 440-570 255 21
St52(E355) 1.0508 640 4 580 7 580 420 10 490 22 490-630 355 22

 

EN 10305-1 Delivery Condition

Term Symbol Explanation
Cold-finished/hard +C No heat treatment after the final cold drawing process
Cold-finished/soft +LC After the final heat treatment there is a suitable drawing pass.
Cold Drawn and Stress Relieved +SR After the final cold-forming process there is Stress relief heat treatment in a controlled atmosphere.
Annealed +A After the final cold drawing process the tubes are annealed in a controlled atmosphere.
Normalized +N After the final cold drawing process the tubes are Normalized in a controlled atmosphere.

 

 

Round EN 10305-1 A369 Bright Annealed Tube 0

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