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NEW-ERA STEEL TUBE NINGBO PIPEWAY TRADE CO.,LTD LEADING PRODUCER AND EXPORTER OF STEEL TUBES
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ST35 ST45 ST52 Seamless Cold Drawn Steel Tube / Seamless Mechanical Tubing

ST35 ST45 ST52 Seamless Cold Drawn Steel Tube / Seamless Mechanical Tubing

Brand Name : New Era
Model Number : DIN2391
Certification : ISO9001,TS16949
Place of Origin : China
MOQ : 1 tons
Price : Negotiation
Payment Terms : T/T
Supply Ability : 3000 tons/month
Delivery Time : 45 days
Packaging Details : Bundles Package, Wooden Box Package
Product Name : Seamless Cold Drawn Steel Tube
Delivery Condition : BK,BKW,BKS,GBK,NBK
OD Size : 6-88mm
WT Size : 1-15mm
Standard : DIN2391 St35 St45 St52 NBK
Application : Auto Parts
Steel Material : St35 , St45 , St52
Heat Treatment : GBK, NBK
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Stable Qaulity Precision Seamless Cold Drawn Steel Tube DIN2391 St35 St45 St52 BK BKS NBK for Auto industry​


Material: ST35, ST45, ST52
Size Range: OD: 6-88mm, WT: 1-15mm, Length: 5.8m/6m, maximal 11.8m
Delivery Condition: BK, BKW, BKS, GBK, NBK
Application: For high precision purpose, auto industry, like manipulator, Shock Absorber, Transmission Shaft, Steering Gear, Car Frame, etc.

Cold Drawn on the seamless steel tubes, to reach high accuracy on the OD and WT tolerance
NBK(Bright Annealing) Heat Treatment, Surface is clean and smooth, without oxide scale
Good Extending and Bending Ability.

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:BKS, GBK, NBK
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.


Product NameDIN2391 Seamless Cold Drawn Steel Tube
MaterialST35, St45, ST52
Delivery ConditionBK, BKW, BKS, GBK, NBK
StandardDIN2391
Size RangeOD: 6-88mm, WT: 1-15mm
ApplicationHigh precision purpose, auto parts, oil cylinder, etc
Round BilletBao Steel, Xingcheng Steel, Huai Steel, Zhongtian Steel
KeywordDIN2391 Steel Tube
CertificateTS16949, ISO 9001
HS code7304319000
Delivery Time45 days
PackingBundles or Wooden Boxes

Steel GradeChemical Composition
SymbolMaterial Number

C
Max.

Si
Max.

Mn

P
Max.

S
Max.

ST351.03080.170.35≥0.400.0250.025
ST451.04080.210.35≥0.400.0250.025
ST521.05800.220.55≤1.600.0250.025

Steel GradeBKBKWBKS
NameNo.

Rm
Mpa

A
%

Rm
Mpa

A
%

Rm
Mpa

ReH
Mpa

A
%

ST351.030848064201042031514
ST451.04085805520852037512
ST521.05806404580758045010
Steel GradeGBKNBK
NameNo.

Rm
Mpa

A
%

Rm
Mpa

ReH
Mpa

A
%

ST351.030831525340--47023525
ST451.040839021440--57025521
ST521.058045022490--63035522




FAQ:

1. Can you provide a sample to check the quality?
We can provide free sample with same or similar sizes for you to check tube quality.

You need to in charge of Express costs.

2. How about your production capacity?
3000 tons/Month.


3. What are your terms of payment?
30%TT in advance, Balance to be paid before shipment.


4. Where is your factory?
Jiaxing city, 2 hours away from Shanghai.


5. How can I get the quotation A.S.A.P?
Please send us an inquiry with full details as following,quotation will sent to you A.S.A.P:
1). Tube Standard
2). Steel Grade

3). Tube Size and Size Tolerance
4). Tube length

5). Quantity
6). If any special requirements

6. How about the minimum order quantity?
Normally for one size above 1 ton.


Welcome to contact us! Thanks.






































































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