E355 Precision Seamless Steel Tube Cold Drawn 355 MPA
Product Details
E355 Steel Precision Seamless Steel Tube
,Seamless Cold Drawn Steel Tube
,355 MPA Cold Drawn Steel Tube
High Quality E355 Precision Seamless Steel Tube Cold Drawn 355MPA
E355 Seamless Cold Drawn Stee Tube 355MPA
DIN2391 St52 NBK / EN10305-1 E355 +N Precision Seamless Steel Tube
O.D.: 6-88mm, W.T.:1-15mm,
Length: 5.2-5.8M random length, 5.5M fixed length, 5.8M fixed length
Size Tolerance: O.D.±0.15mm, I.D.±0.15mm
Material: St52 (DIN2391), E355 (EN10305-1)
Delivery Condition: NBK(DIN2391), +N(EN10305-1)
Normalized(NBK/+N): The last cold forming process is followed by annealing above the upper transformation point in a controlled atmosphere.
With such heat treatment: Tube surface can be free of oxide scale, bright and clean.
Production Process: Cold Drawn + Heat Treatment ( NBK / +N)
We control stable tube mechanical property, Especially stable Yield Strength ≥ 355 MPA.
Tube after necking or bending, None of crack, scratch or other surface problems.
Chemical Composition & Mechanical Property
| Material Name | DIN2391 St52 NBK | EN10305-1 E355 +N |
| chemical analysis |
C:≤0.22;Si: ≤0.55;Mn: ≤1.60; P: ≤0.025; S: ≤0.025 |
C:≤0.22;Si: ≤0.55;Mn: ≤1.60; P: ≤0.025; S: ≤0.025 |
| Tensile Strength | 490-630Mpa | 490-630Mpa |
| Yield strength | ≥355MPa |
≥355MPa |
| Elongation | ≥22% | ≥22% |
| Normal Size for Steering Drag Link |
30*3.7mm, 38*4.7mm 46*5.5mm, 48*5mm 50*6mm, 52*7mm 60*6mm, 62*6mm |
|
100% Eddy Current Testing.
100% Size Tolerance Checking.
100% Tube surface checking to avoid surface defects.
With many years of exporting steering drag link steel tubes, we have a great experience of producing this kind of tubes.
We select high quality of raw material (Zhongtian steel, Huai steel), then with traceable production, to make sure each tube supplied by us is meet the requirements of DIN2391/EN10305-1 Standard requirement, and also customer's special requirements.
Welcome to contact us!
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