Gold Member Since 2009
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Shanghai Vastar International Co., Ltd.

COLD DRAWN TUBE, PRECISION TUBE, SEAMLESS TUBE manufacturer / supplier in China, offering COLD DRAWN PRECISION SEAMLESS STEEL TUBE, Stainless Steel Welded Pipe 304L, Precision Stainless Steel Capillary Tube and so on.

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COLD DRAWN PRECISION SEAMLESS STEEL TUBE

FOB Price: Get Latest Price
Min. Order: 100 Pieces
Production Capacity: 200000ton/Year
Transport Package: Bundle, Box, Wrapped.
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: EN 10305-1
  • Technique: Cold Drawn
  • Usage: Hydraulic/Automobile Pipe, Machinery Industry
  • Trademark: VASTAR
  • Type: Seamless
  • Material: Carbon Steel
  • Section Shape: Round
  • Origin: China
Product Description
EN 10305-1, for Auto usd; for machinery use; Oil cylinder tube;   Motorcycle shock reducer steel tube; Auto shock reducer inner cylinder.
Steel grade: E215, E235, E355, E255, E410
Size: OD (4-370mm) x WT (0.5-32mm)

Dimension Tolerance
OD Tolerance4-30mm31-40mm41-50mm51-60mm61-70mm71-80mm81-90mm91-100mm
±0.08mm±0.15mm±0.20mm±0.25mm±0.30mm±0.30mm±0.40mm±0.45mm
WT Tolerance±10%
 
 
Chemical Composition
GradeChemical composition %
C SiMnPSAlVOthers
E215≤0.1≤0,05<0.70≤0,025≤0,025≥0,025--
E235≤0,17≤0,17<1,20≤0,025≤0,025---
E355≤0,22≤0,55<1,60≤0,025≤0,025---
E255≤0,21≤0,350,40-1,10≤0,025≤0,025---
E4100,16-0,220,10-0,501,30-1,70≤0.03≤0.0350,010-0,0600,08-0,15Nb<0,07; Ti<0,05
 
Mechanical Properties
GradeMechanical properties (Min.)
+C +LC +SR +A+N
R mA% R mA% R mR eHA% R mA% R mR eHA%
MPa MPa MPa MPa MPa Mpa Mpa
E215 430 8 380 12 380 280 16 280 30 290 - 430 215 30
E235 480 6 420 10 420 350 16 315 25 340 - 480 235 25
E355 640 4 580 7 580 450 10 450 22 490 - 630 355 22
E255 580 5 520 8 520 375 12 390 21 440 - 570 255 21
E410 750 4 620 8 690 590 12 520 22 550- 700 410 22
+C (BK): Glossy hard;
+LC (BKW): Glossy soft;
+SR (BKS): Glossy soft (tempered);
+A (GBK): Without scale, soft;
+N (NBK): Normalized

 
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