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34MnB5 26MnB5 Welded Round Annealed Steel Tube Cramshaft Stabilizer Bar

Place of Origin Jiangsu
Brand Name Hongbao
Certification TS16949, ISo9001
Model Number HBWS-001
Minimum Order Quantity 2MT
Price Negotiable
Packaging Details Packaging: Wooden cases
Delivery Time Negotiable
Supply Ability 800MT/Month
Product Details
Material 26MnB5 Length Random Or Fixed Length
Shape Round Technical Seamless Or Welded
Standard EN10305-1, EN10305-2 Etc Name Welding Round Tubing
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Product Description

34MnB5 26MnB5 Welded Round Annealed Steel Tube Cramshaft Stabilizer Bar

 

Carbon Steel EN 10305 E235 , E215 , E275 & E355 Seamless Pipe are also known as mild steel pipes and tubes.EN 10305 Grade E235, 215, E355 Tubes are low-cost Low Carbon Steel Tubes with max 017 % carbon content with combination of max 120 % manganese easy to form and shape . These pipes are manufactured as per EN Specification and commercially referred as cs pipes or ms pipes. Low Carbon Steel Pipes are not as hard as hig carbon steel pipes,Though carburizing can increase its surface hardness.

To meet their exact application requirement, our clients can avail these in different dimensions, sizes and specifications. With respect to national and international quality of raw materials, we also offer these pipes in customized sizes and thicknesses as per specific demands by our esteemed clients at market leading prices.

Product Features:

  • Corrosion resistant
  • Accurate dimensions
  • Can sustain high pressure & temperature load
  • Rust proof finish
  • Smooth transition from flange thickness to pipe
  • Ensure excellent stress distribution

Carbon Steel EN 10305 E235 , E215 , E275 & E355 Seamless Pipe are also known as mild steel pipes and tubes.EN 10305 Grade E235, 215, E355 Tubes are low-cost Low Carbon Steel Tubes with max 017 % carbon content with combination of max 120 % manganese easy to form and shape . These pipes are manufactured as per EN Specification and commercially referred as cs pipes or ms pipes. Low Carbon Steel Pipes are not as hard as hig carbon steel pipes,Though carburizing can increase its surface hardness.

 

To meet their exact application requirement, our clients can avail these in different dimensions, sizes and specifications. With respect to national and international quality of raw materials, we also offer these pipes in customized sizes and thicknesses as per specific demands by our esteemed clients at market leading prices.

 

Product Features:

  • Corrosion resistant
  • Accurate dimensions
  • Can sustain high pressure & temperature load
  • Rust proof finish
  • Smooth transition from flange thickness to pipe
  • Ensure excellent stress distribution

Standard Specification:

Dimension/Standard: EN 10305 E235 , E215 , E275 & E355

Material & Grade :

Carbon Steel :
Grade: WPB , WPBW, WPHY 42, WPHY 46, WPHY 52, WPH 60, WPHY 65 & WPHY 70

 

Steel grades for standard precision tubes

34MnB5 26MnB5 Welded Round Annealed Steel Tube Cramshaft Stabilizer Bar 0 34MnB5 26MnB5 Welded Round Annealed Steel Tube Cramshaft Stabilizer Bar 1
EN 10305-1 E215, E235, E255, E355, E410, 26Mn5, 26Mo2
C35E, C45E, 25CrMo4, 42CrMo4; 25CrMo4
Marking system for steel grades according to EN
34MnB5 26MnB5 Welded Round Annealed Steel Tube Cramshaft Stabilizer Bar 2 34MnB5 26MnB5 Welded Round Annealed Steel Tube Cramshaft Stabilizer Bar 3
ASTM 519
SAE
1008, 1010, 1012, 1015, 1016, 1017, 1018, 1019, 1020, 1021, 1022, 1025, 1026, 1030, 1035, 1040, 1045, 1050, 1518, 4130, 4140, 4142, 8617
34MnB5 26MnB5 Welded Round Annealed Steel Tube Cramshaft Stabilizer Bar 4 34MnB5 26MnB5 Welded Round Annealed Steel Tube Cramshaft Stabilizer Bar 5
JIS G3445 STKM11A, STKM12A, STKM12B, STKM12C, STKM13A, STKM13B, STKM13C, STKM14A, STKM14B, STKM14C, STKM15A, STKM15C, STKM16A, STKM16C, STKM17A, STKM17C, STKM18A, STKM18B, STKM18C, STKM19A, STKM19C, STKM20A

 

Straightness of standard precision tubes

34MnB5 26MnB5 Welded Round Annealed Steel Tube Cramshaft Stabilizer Bar 6
Straightness of the tubes is influenced by the mechanical properties of the tubes. For material having the yield point ReH <= 500 MPa is straightness 0,0015 multiple of the tube length maximum, allowed straightness for one meter length is 1.5 milimeters. For material with the yield point ReH > 500 MPa the allowable straightness for the whole length of the tube is 0.0020 multiple of the tube length, allowed straightness of one meter is 2 milimeters.

 

Delivery condition and precision tubes surface

34MnB5 26MnB5 Welded Round Annealed Steel Tube Cramshaft Stabilizer Bar 7
Precision tubes are supplied in condition that is presented in the table below. It is marking for thermal processing according to EN 10305-1.

 

+C Cold drawn / hard.
After the last cold forming no heat treatment.
+LC Cold drawn / soft. After the last heat treatment follows the cold drawing there is a light finishing pass.
+SR Cold drawn and stress relieved annealed. After the final cold drawing process the tubes are stress relieved annealed in a controlled atmosphere.
+A Annealed. After the last cold drawing process the tubes are annealed in a controlled atmosphere.
+N Normalized.
After the last cold drawing process the tubes are annealed in a controlled atmosphere.

 

 

Chemical Composition:

Chemical composition(cast analysis):
Steel grade % by mass
Steel name Steel number C Si Mn P Sb AI
max. max. max. max. max. min.
E215 1.0212 0.10 0.05 0.70 0.025 0.025 0.025
E235 1.0308 0.17 0.35 1.20 0.025 0.025 -
E355C 1.0580 0.22          

 

Delivery conditions

+C - cold drawn/hard

+LC - cold drawn/soft

+SR - cold drawn and stress relieved

+A - annealed

+N - normalized

 

Delivery conditions:

Designation Symbol Description
Cold finished (hard) BK Tubes do not undergo heat treatment following the final cold forming and, thus, have a rather high resistance to deformation.
Cold finished (soft) BKW The final heat treatment is followed by cold drawing involving limited deformation. Appropriate further processing allows a certain degree of cold forming (e.g. bending, expanding).
Cold finished and stress-relieved BKS Heat treatment is applied following the last cold forming process. Subject to appropriate processing conditions, the increase in the residual stresses involved enables both forming and machining to a certain degree.
Annealed GBK The last cold forming process is followed by annealing in a controlled atmosphere.
Normalized NBK The last cold forming process is followed by annealing above the upper transformation point in a controlled atmosphere.

 

Material: E235, E355

Appearance:

The internal and external surface finish of the tubes shall be typical of the manufacturing process and, where applicable, the heat treatment, and it shall be such that any surface imperfections such as ridges, dents or shallow grooves requiring dressing can be identified.

 

Surface imperfections which encroach on the specified minimum wall thickness shall be considered defects and tubes containing these shall be deemed not to conform to this part of EN 10305.

 

Roughness of inside surface is not more than 4um in the delivery conditions +C, +LC

Roughness of outside surface is not more than 4um in the delivery conditions +SR, +A, +N, +C, +LC

Tube OD: 4-30mm, WT: 0.5-10mm

Surface treatment in delivery: Oiled, black phosphated, zinc coated

Application: automotive, vehicle, general engineering industries.

 

Each piece of tube is high pressure flushed for high cleanness

Each piece of tube ends is plugged with plastic caps

Each piece of tube is ink-marked with standard, size, condition

Wooden case packing

Applications: for auto industry/machinery use/oil cylinder tube/motorcycle shock absorber/auto shock absorber/inner cylinder/telescopic cylinders/jack lifting system/hydraulic cylinders

Appearance:
The internal and external surface finish of the tubes is smooth, while the Weld Seam is somehow not visible or tangible.
The ID surface with roughness Ra≤4μm, the best ID smoothness we could reach Ra≤0.8μm
The inner surface can be measured and reported if this is requested by the purchaser before PO.

Supplying Steel Grade:
E155, E195, E235 E275, E355

Delivery Condition:
+C, +LC, + SR, +A, +N

Production Method:
DOM, ERW+ cold drawn

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

Mechanical properties in room temperature

Steel grade Maximum values depending on the delivery condition
+C +LC +SR +A +N
Steel symbol 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 do 410 155 28
E195 420 6 370 10 370 260 18 290 28 300 do 440 195 28
E235 490 6 440 10 440 325 14 315 25 340 do 480 235 25
E275 560 5 510 8 510 375 12 390 21 510 do 550 275 21
E355 640 4 590 6 590 435 10 450 22 490 do 630 355 22

Chemical composition (ladle analysis)

Steel grade % of the mass
Steel symbol 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

 

DOM is a process that is applied to tubing after it is initially constructed.It is refferred to as Seamless ,It can be said that do seamless process method on ERW tubes,So the tubes will have a high strength ,high quality .Material form E155 E195 E235 E275 E355 1020 1026 and so on .DOM tubing is commonly use in auto parts .

 

Steel Grade and Chemical Compositions

Steel Grade C Si Mn P S
Steel Name Steel Number max max max max max
E155 1.0033 0.11 0.35 0.70 0.025 0.025
E195 1.0034 0.15 0.35 0.70 0.025 0.025
E235 1.0308 0.17 0.35 1.20 0.025 0.025
E275 1.0225 0.21 0.35 1.40 0.025 0.025
E355 1.0580 0.22 0.35 1.60 0.025 0.025

 

aRm: tensile strength; ReH: upper yield strength; A: elongation after fracture
b 1Mpa=1N/mm2
c Depending on the degree of cold work in the finishing pass the yield strength may nearly be as high as the tensile strength.
For calculation purposes the following relations are recommended:
for delivery condition +C: ReH ≥0.8 Rm
for delivery condition +LC: ReH ≥0.7 Rm
d For calculation purposes the following relation is recommended:ReH≥0.5Rm

 

Production Process:
Cold rolling by Cold pilger machine and Cold rolling machine
Size: 20-350mm


1. Standard:
EN10305-2 Cold Drawn Precision Seamless Steel Pipes


2. Steel Grade:
E155,E195,E235,E275,E355, other materials upon agreement with customers.


3. Production method:
Cold drawn on the welded steel tubes, to reach high accuracy on the OD and WT tolerance


4. Size range:
O.D.:20-350mm W.T.:1-35mm L:max12000mm


5. Packing:
In Hexagonal Bundles, with anti-rust oil protection, with seaworthy packing


6. Deliver condition:
1). +C No heat treatment after the final cold drawing process
2). +LC After the final heat treatment there is a suitable drawing pass
3). +SR After the final cold drawing process there is a stress relieve heat treatment in a controlled atmosphere
4). +A After the final cold drawing process the tubes are annealed in a controlled atmosphere
5). +N After the final cold drawing operation the tubes are normalized in a controlled atmosphere