Specifications
Brand Name :
Hongbao
Model Number :
HBWS-001
Certification :
TS16949, ISO9001
Place of Origin :
Jiangsu, China
MOQ :
2MT
Price :
Negotiable
Supply Ability :
800MT/Month
Delivery Time :
Negotiable
Packaging Details :
Wooden cases
Payment Terms :
L/C,T/T
Material :
26MnB5
Length :
Random or fixed length
Shape :
Round
Technical :
Seamless or welded
Standard :
EN10305-1, EN10305-2 etc
High Light :
Erw carbon steel pipe
Description
EN10305 E155 WT1.5 DOM Carbon Steel Pipe Seamless Hydraulic Tube, Precision Steel Tube
Product Overview

DOM E155 E195 E235 E275 E355 Carbon Steel Pipe Seamless Hydraulic Tube is a high-quality, seamless solution for hydraulic applications, engineered for robust performance. Crafted from durable carbon steel, these tubes offer exceptional strength and reliability in hydraulic systems. With seamless construction, they ensure efficient fluid flow and longevity, making them ideal for demanding hydraulic environments.

Size Range
  • O.D.: 6-420mm
  • W.T.: 1-50mm
  • Length: maximum 12000mm
Applications
  • Auto industry
  • Machinery use
  • Oil cylinder tube
  • Motorcycle shock absorber
  • Auto shock absorber
  • Inner cylinder
  • Telescopic cylinders
  • Jack lifting system
  • Hydraulic cylinders
Surface Finish

The internal and external surface finish of the tubes is smooth, while the weld seam is not visible or tangible. The ID surface has roughness Ra≤4μm, with the best ID smoothness reaching Ra≤0.8μm. The inner surface can be measured and reported if requested by the purchaser before purchase order.

Steel Grades

Available steel grades: E155, E195, E235, E275, E355

Delivery Conditions

Available delivery conditions: +C, +LC, +SR, +A, +N

Designation Symbol Description
Cold drawn / hard +C Without thermal processing, after the process of cold drawing is finished
Cold drawn / soft +LC After final thermal processing, appropriate drawing
Cold drawn and annealed +SR After the final cold drawing process and annealing thermal processing in a controlled atmosphere
Annealed +A After the final cold drawing process, the pipes are annealed in a controlled atmosphere
Normalized +N After the final cold drawing process, the pipes are normalized in a controlled atmosphere
Production Method

DOM, ERW + cold drawn

Mechanical Properties at Room Temperature
Steel Grade +C +LC +SR +A +N
Rm MPa A % Rm MPa A % Rm MPa ReH MPa A % Rm MPa A % Rm MPa ReH MPa A %
E155 400 6 350 10 350 245 18 260 28 270-410 155 28
E195 420 6 370 10 370 260 18 290 28 300-440 195 28
E235 490 6 440 10 440 325 14 315 25 340-480 235 25
E275 560 5 510 8 510 375 12 390 21 510-550 275 21
E355 640 4 590 6 590 435 10 450 22 490-630 355 22
Chemical Composition (Ladle Analysis)
Steel Grade C max % Si max % Mn max % P max % S max %
E155 0.11 0.35 0.70 0.025 0.025
E195 0.15 0.35 0.70 0.025 0.025
E235 0.17 0.35 1.20 0.025 0.025
E275 0.21 0.35 1.40 0.025 0.025
E355 0.22 0.35 1.60 0.025 0.025
EN10305 E155 Carbon Steel Pipe Seamless Hydraulic Tube with High Strength and Corrosion Resistance
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EN10305 E155 Carbon Steel Pipe Seamless Hydraulic Tube with High Strength and Corrosion Resistance

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Brand Name :
Hongbao
Model Number :
HBWS-001
Certification :
TS16949, ISO9001
Place of Origin :
Jiangsu, China
MOQ :
2MT
Price :
Negotiable
Contact Supplier
video
EN10305 E155 Carbon Steel Pipe Seamless Hydraulic Tube with High Strength and Corrosion Resistance
EN10305 E155 Carbon Steel Pipe Seamless Hydraulic Tube with High Strength and Corrosion Resistance
EN10305 E155 Carbon Steel Pipe Seamless Hydraulic Tube with High Strength and Corrosion Resistance
EN10305 E155 Carbon Steel Pipe Seamless Hydraulic Tube with High Strength and Corrosion Resistance
EN10305 E155 Carbon Steel Pipe Seamless Hydraulic Tube with High Strength and Corrosion Resistance

Jiangsu Hongbao Group Co., Ltd.

Verified Supplier
9 Years
jiangsu
Since 1958
Business Type :
Manufacturer
Total Annual :
>76000000
Employee Number :
700~1000
Certification Level :
Verified Supplier
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