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Product Details:
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| Material: | E215,E235,E355 | Standard: | EN10305-1, EN10305-4, DIN 2391 |
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| Type: | Seamless,Welded | OD: | 0.8~30mm |
| Wall Thickness: | Automotive And Hydraulic Fields | Application: | Telescopic Cylinders |
| Surface Treatment: | Galvanized | Delivery Status: | Annealed, Normalized, Heat Treatment Etc |
| Highlight: | carbon steel seamless tube,carbon steel seamless pipes |
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Stainless Steel Tubing Seamless Precision Steel Tube , EN10305-1 E215 E235 Annealed Tube for Automotive and Hydraulic Fields
Product Standard: EN10305-1,EN10305-4,BS 6323,DIN 2391,ISO 8535
Main steel grades: E215 ,E235 , E355,E255,E410
Application:
Telescopic Cylinders/Hydraulic Cylinders/Auto shock absorber innder cylinder. Use in Automobile and bearing industry, mechanical and structural field, high pressure tubing, etc.
Chemical Composition & Mechanical properties:
| Steel Grade | C max | Si max | Mn max | P max | S max | Al min |
| E215 | 0.10 | 0.05 | 0.70 | 0.025 | 0.025 | 0.025 |
| E235 | 0.17 | 0.35 | 1.20 | 0.025 | 0.025 | |
| E355 | 0.22 | 0.55 | 1.60 | 0.025 | 0.025 |
| (+Cc) | (+LCc) | (+SR) | (+Ad) | (+N) | |
| E215 Mpa min | TS430 A 8% |
TS380 A 12% |
TS380 YS 280 A 16% |
TS280 A 30% |
TS290-430 YS215 A 30% |
| E235 Mpa min | TS480 A 6% |
TS420 A 10% |
TS420 YS 350 A 16% |
TS315 A 25% |
TS340-480 YS235 A 25% |
| E335 Mpa min | TS640 A 4% |
TS580 A 7% |
TS580 YS 450 A 10% |
TS450 A 22% |
TS490-630 YS355 A 22% |
Mark: As required.
Inspection and Test: chemical composition test, mechanical properties test(tensile, yield, elongation), process properties test(flatting, flaring, bending, hardness, impact, etc.), appearance and size test, non-destructive inspection test, hydrostastic test.
Delivery status: Annealed,Pickled.
Surface treatment:
1. Bare Tube (No coating): Bright and smooth, Surface Roughness both inner and outer surface
0.2Ra Maximum for special requirement
2. Surface Coating
A. Silver galvanized
B. Yellow galvanized
C. Olive green coated
Layer thickness: 8-20um, Salty Spray Test: 48-150 hours
3. Black phosphate
Packing: Exporting package/wooden box /as requirement.
Contact Person: Mrs. Yana Dong
Tel: 13661003712, 86-10-5712 1108, 5718 5998
Fax: 86-10-56752778
