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.
Product Tags:
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Precision Polished Stainless Tube , Thin Wall Stainless Tubing For Automotive Images
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