321/321H Stainless Steel   Pipe/Tube
321/321H Stainless Steel Pipe/Tube
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321/321H Stainless Steel Pipe/Tube

Stainless Steel 321 is available in Capillary tube, Instrument tube, Precision tube and Hydraulic tube. On request Stainless Steel 321 can also be supplied in Coiled Tube with a seamless and welded execution.

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  • INTRODUCTION
  • PARAMETER
  • FEATURE
Stainless Steel 321 Capillary tube can be either harddrawn (hardness 260-330 HV) or annealed (hardness <180 HV). The tolerances are according to DIN 17458/ISO 1127 D4/T3. We can also supply Welded/ Redrawn (in the same conditions).  
  
Capillary tubes can be supplied with various point styles : Blunt end - square cut /Chamfered edge / Radiused/ Tapered. Flat ground-point, Back cut bevel, Lancet level, Closed round end, Flared end and Threaded end

Outer Diameter: 1mm-1500mm
Thickness: 0.1mm-50mm
Length: 1-12m
Surface: Annealed/Pickling/Polished
Shape: Round/Square/Hex
Technique: Hot Rolled/Cold Drawn

Chemical Composition Limits

Weight%

C

Si

Mn

P

S

Cr

Ni

Ti

N

Mo


321

0.08 max

1 max

2.0 max

0.045
max

0.03
max

17-19

9-12

5*(C+N)-0.7

0.1 max

0.75

321H

0.04-0.10

1 max

2.0 max

0.045
max

0.03
max

17-19

9-12

4*(C+N)-0.7

 

 

With plastic cap to protect both ends
Plastic bag wrapped outside pipe
Woven bag wrapped outside pipe

All our products are packed, stored, transported according to the international regulation. 

The tubes are  wrapped with anti-rust paper and steel rings to prevent damage. Identification labels are tagged according to standard specification or customer's instructions. Special packing is available as per customer's requirement.

Plus, ply wooden box are available for special protection. Other kinds of packing can be offered if request.
  • Production Flow
  • Inspection
  • Packing
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