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Specification finetron® / finetron.1

 

Material Seamless or welded stainless steel tube, depending on outer diameter (see dimensions).
UNS S31603 (316L) / 1.4404 / 1.4435
Dimensions Stock dimensions:
  • Imperial: 1/4” (6.35 x 0.89 mm) to 6“ (152.40 x 2.77 mm)
  • Pipe: see section dimensions (tubes)
  • Metric: 6.00 x 1.00 mm to 35.00 x 1.50 mm
  • Further dimensions on demand: 
  • ISO, metric
Technical terms of delivery Tubes:
According to ASTM A 269 / A 632 / A312 (Pipe) / DIN EN 10217-7 / DIN EN 10216-5
Length:
5900 - 6090 mm (max. 10% short lengths possible)
Fittings:
  • Tube components: Prematerial according to ASTM A 269 / A 632 / A 312/ A 403 (Pipe), DIN EN 10217-7 / DIN EN 10216-5
  • Machined components: Prematerial according to ASTM A 479 / DIN EN 10088-3 / DIN 1744, Pipe dimensions acc. to ASTM A 182
Tolerances:
According to ASTM A 269 / A 632 or DIN EN ISO 1127 / D4 / T3
Weld ends:
Tubes and fittings are prepared for orbital welding
Surface options* Tubes and Fittings:
  • Inner surface:
    OD ≤ 63.50 mm: Ra ≤ 0.40 µm (16 µin)
    OD > 63.50 mm: Ra ≤ 0.60 µm (24 µin)
  • Outer surface: Ra ≤0.80 µm (32 µin)
Fittings:
Inner and outer surface roughness of the cold worked area is not defined
Specified roughness of total surface available on reques
Pipes: Inner and outer surface on request
Inner surface treatment Tubes:
  • finetron: Cleaning and test procedure ASTM A 632, S3
  • finetron.1: Anodic cleaning procedure Spec. HE 175 3VNS
Fittings:
  • finetron: Cleaning and test procedure ASTM A 632, S3
  • finetron.1: Anodic cleaning procedure Spec. HE 111 3VNS
Hardness  Max. 180 HV / 90 HRB
Test procedures
  • Verification of basic test certificate
  • Verification of dimensions
  • Visual inspection
  • Roughness measurements
  • Endoscopic inspection of bright finished tubes
Marking Tubes: Permanently marked
Fittings: Needle marking
Information
  • Heat number
  • DOCKWEILER
  • DW number
  • Material
  • Dimensions
Documentation Inspection certificate 3.1 according to DIN EN 10204 for prematerial
Packing and delivery
 Bright finished tubes and fittings closed with transparent PE caps (anodic clean tubes and fittings with PE/PA squares), sleeved and sealed in PE and marked with blue sticker „finetron“ or „finetron.1“. Delivery of tubes in tubular container or wooden crate, fittings in strong cardboard box with shock-absorbing filler.