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[China]
Trade Verify
Address: No.101 Shijing East Road, Tudian Town, Tongxiang, China
Contact name:Denny
NEW-ERA STEEL TUBE TECHNOLOGY CO.,LTD |
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Verified Suppliers
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Product Name: Shock Absorber Steel Pipe St35 St45 St52 High Precision Cold
Rolling Seamless Steel Pipe
Material: ST35, ST45, ST52
Size Range: OD: 6-88mm, WT: 1-15mm, Length: 5.8m/6m, maximal 11.8m
Application: Shock Absorber, Hydraulic Cylinder, Gas Spring, Seat
Lifter Pipe, Motor Casing Pipe, Seat Modulator Pipe, etc.
Delivery Condition:
1. BK (+C) No heat treatment after last cold forming process.
2. BKW (+LC) After last heat treatment there is a light finishing
pass (cold drawing)
3. BKS (+SR) After the final cold forming process the tubes are
stress relieve annealed.
4. GBK (+A) After the final cold forming process the tubes are
annealed in a controlled atmosphere.
5. NBK (+N) After the final cold forming process the tubes are
annealed above the upper
Cold Drawn on the seamless steel tubes, to reach high accuracy on
the OD and WT tolerance
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 Name | High Precision Cold Rolling Seamless Steel Pipe for Shock Absorber |
| Material | ST35, St45, ST52 |
| Delivery Condition | BK, BKW, BKS, GBK, NBK |
| Standard | DIN2391 |
| Size Range | OD: 6-88mm, WT: 1-15mm |
| Application | High precision purpose, auto parts, oil cylinder, etc |
| Round Billet | Bao Steel, Xingcheng Steel, Huai Steel, Zhongtian Steel |
| Keyword | Cold Rolling Steel Pipe |
| Certificate | TS16949, ISO 9001 |
| HS code | 7304319000 |
| Delivery Time | 45 days |
| Packing | Bundles or Wooden Boxes |
| Steel Grade | Chemical Composition | |||||
| Symbol | Material Number | C | Si | Mn | P | S |
| ST35 | 1.0308 | 0.17 | 0.35 | ≥0.40 | 0.025 | 0.025 |
| ST45 | 1.0408 | 0.21 | 0.35 | ≥0.40 | 0.025 | 0.025 |
| ST52 | 1.0580 | 0.22 | 0.55 | ≤1.60 | 0.025 | 0.025 |
| Steel Grade | BK | BKW | BKS | |||||
| Name | No. | Rm | A | Rm | A | Rm | ReH | A |
| ST35 | 1.0308 | 480 | 6 | 420 | 10 | 420 | 315 | 14 |
| ST45 | 1.0408 | 580 | 5 | 520 | 8 | 520 | 375 | 12 |
| ST52 | 1.0580 | 640 | 4 | 580 | 7 | 580 | 450 | 10 |
| Steel Grade | GBK | NBK | ||||
| Name | No. | Rm | A | Rm | ReH | A |
| ST35 | 1.0308 | 315 | 25 | 340--470 | 235 | 25 |
| ST45 | 1.0408 | 390 | 21 | 440--570 | 255 | 21 |
| ST52 | 1.0580 | 450 | 22 | 490--630 | 355 | 22 |
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.
