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34MnB5 Cold Drawn DOM Welded Stabilizer Tubes,Hollow Stabilizer Bar
34MnB5 Heavy Wall ERW Precision Tubes EN10305-2/ASTM A513 DOM
Application:Hollow Stabilizer Bar,Stabilizer tubes for automotive industry.
Materials:According to EN10083-3 20MnB5,26MnB5,34MnB5,40MnB5
Boronalloyed quenched and tempered steel,Manganese-Boron Steel
Size Range: OD: 10-80mm, WT: 2-10mm, Length: 5.8m/6m, maximal 11.8m
Delivery Condition: Welded BK finished,NBK brightness Normalized.
We offered the Steel Tubes with Stable Quality with Comeptitive Price and high tolerance performance
+N(Bright Annealing) Heat Treatment, The steel tubing Surface is bright and smooth, without oxide scale
The Steel Tubes with Good Extending and Bending Ability.
The Chemical composition:
| Steel Grade | Chemical Composition | ||||||||
| Symbol | Standard | C | Si | Mn | P | S | Cr | Ti | B |
| Country | % | Max.% | % | Max.% | Max.% | Max.% | Max.% | Max.% | |
| 20MnB5 | EN10083-3 | 0.17～0.23 | 0.30～0.45 | 1.05～1.40 | 0.020 | 0.007 | 0.20～0.40 | 0.01～0.045 | 0.001～0.005 |
| 26MnB5 | EN10083-3 | 0.22～0.29 | 0.15～0.35 | 1.15～1.45 | 0.020 | 0.005 | 0.05～0.25 | 0.01～0.045 | 0.001～0.005 |
| 34MnB5 | EN10083-3 | 0.31～0.39 | 0.15～0.35 | 1.15～1.50 | 0.020 | 0.005 | 0.05～0.25 | 0.02～0.05 | 0.001～0.005 |
| 40MnB5 | EN10083-3 | 0.36～0.43 | 0.15～0.35 | 1.05～1.45 | 0.020 | 0.005 | 0.35～0.60 | 0.02～0.06 | 0.001～0.005 |
34MnB5 ERW precision tubing mechanical properties:
Steel
Grade
Quenching and Tempering
Name
Tensile
Rm
Yield
ReH
Elogation
A80
Elogation
A5
Mpa
Mpa
≥ %
≥ %
20MnB5
300-530
490-650
15
19
26MnB5
360-580
580-740
12
14
34MnB5
380-620
620-820
9
12
40MnB5
390-780
650-950
7
11
The Tube Mill 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 or Cold Rolling, On line inspection
5. Heat Treatment:+C,+SR, +A, +N
6. Straightening/Cutting to specified length/Finished Measuring Inspection
7. Quality Testing in own lab with Tensile Strength, Yield Strength, Elongation, Hardness, Straightness, etc.
8. Packing and Stocking.
100% Eddy Current Testing.
100% Size Tolerance Checking.
100% Tube surface checking to avoid surface defects.
The Tubes and Pipes Pictures:
Tags:cold drawn;DOM;CDW tubes;34MnB5 stabilizer tubes;34MnB5 Hollow Stabilizer bars;Precision steel tubes 34MnB5;
ERW 34MnB5;DOM 34MnB5;Steel Tubes;
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Main Product:
Seamless Bearing Tubes,
Mining Drill Pipes,
Boiler Steel Tubes,
Alloy Mechanical Tubing,
Precision Steel tubes,
Stainless Steel tubes
