Bright Annealed Steel Tube

Oil Cylinder Steel Tubes
White galvanized steel tubes
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Bright Annealed Steel Tube

Synopsis of Process Routing: quality carbon steel → cold drawing → bright heat treatment without oxidization (NBK status) → nondestructive testing. In the wall honing and inside flushing under the high pressure→. Antirust oiling outside surface→ plastic capping on both ends.
Main Features: high accuracy, excellent brightness, no oxidization on the outer and inner walls after heat treatment, high cleanness inside wall. The steel tube is able to stand high pressure. No deformation after cold bending, no crack after flaring and flattening . The complicated geometrical forming and machining can be realized. Color of tube: gray with white.
Main Application: to be used in hydraulic system, automobile and in the occasion where the high precision, brightness, cleanness and mechanical properties of the tube are required.

Sekiranya ada pertanyaan,sila hubungi sales@grandsteeltube.com

 

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  • Baosheng's Advantages
  • Spesifikasi
  • Siasatan

1. Production of DIN/EN10305 seamless high precision tubes since 2005.

2. Bekerja dengan pelanggan dari Eropah,Asia Barat,Amerika Selatan,etc since 2006.

3. Sampel boleh dihantar dalam 10 hari selepas pengesahan

4. 40 hari sebagai tempoh pengeluaran dan penghantaran selepas pengesahan pesanan.

5. 200,000 meters of bright annealed seamless steel tubes in stock.

6. 300 saiz boleh ditawarkan dari OD:3mmxWT:0.5mm ke OD:100mmxWT:10Mm

7. Pemeriksaan pihak ketiga seperti:TUV,BV,SGS,dan lain-lain diterima

8. Pasukan profesional membantu keperluan tiub khas anda.

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Gred Chemical Composition(%):
C max Si max Mn P max S max
St 35 0.17 0.35 ≥0.40 0.025 0.025
St 45 0.21 0.35 ≥0.40 0.025 0.025
St 52 0.22 0.55 ≤1.60 0.025 0.025
Steel grade Chemical Composition(%):
Steel name Steel number C max Si max Mn P max S max Al min
E215 1.0212 0.10 0.05 0.70 0.025 0.025 0.025
E235 1.0308 0.17 0.35 1.20 0.025 0.025 -
E355 1.0580 0.22 0.55 1.60 0.025 0.025 -

Mechanical Properties(Mpa):

Steel grade BK BKW BKS GBK NBK
RmN/mm
min		 min RmN/mm
min		 min N/mm
min		 ReH
N/mm
min		 min N/mm
min		 min N/mm
min		 ReH
N/mm
min		 min
St35 480 6 420 10 420 315 14 315 25 340-470 235 25
St45 580 5 520 8 520 375 12 390 21 440-570 235 21
St52 640 4 580 7 580 420 10 490 22 490-630 355 22

 

Steel grade Minimum values for the delivery condition
Steel name Steel number + C + LC + SR + A + N
Rm Mpa A% Rm Mpa A% Rm Mpa ReH Mpa A% ReH Mpa A% Rm Mpa ReH Mpa A%
E215 1.0212 430 8 380 12 380 280 16 280 30 290-430 215 30
E235 1.0308 480 6 420 10 420 350 16 315 25 340-480 235 25
E355 1.0580 640 4 580 7 580 450 10 450 22 490-630 355 22

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    Sekiranya ada pertanyaan,sila hubungi sales@grandsteeltube.com