Schierle Siyaya
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18 November 2025Company news

Our Big Five in focus: seamless stainless steel tubes

Seamless stainless steel tubes are one of our five core products. Here is what we hold in stock: technical delivery conditions, grades from 1.4301 to 1.4571, and dimensions from 6.00 to 219.10 mm outside diameter.

Our Big Five in focus: seamless stainless steel tubes

Quality, advice and innovation are at the centre of what we do at Schierle Siyaya — and that is exactly what our Big Five reflect. Today's focus: seamless stainless steel tubes, which we carry under the sign of the Rhino.

Standard stock specifications

PropertySpecification
Technical delivery conditionsEN 10216-5 TC-1 or TC-2 · AD 2000 W2/W10 · ASTM A 312 / ASME SA 312
Hardness testingNACE MR 0175
IGC testEN ISO 3651-2 A / ASTM A 262 Pr. E
PMI100% (qualitative)
TolerancesDIN EN ISO 1127 · ASTM/ASME A/SA 312
Delivery condition, cold finishedsolution annealed, pickled, CFD
Delivery condition, hot finishedsolution annealed, pickled, HFD
Lengths and endsRL 5–7 m, ends plain and deburred · fixed lengths on request
CertificateEN 10204 3.1 or 3.2

Grades available from stock

Material no.Designation
1.4301 / 1.4306 · 1.4307TP 304 / 304L
1.4541 · 1.4878TP 321 / 321H
1.4571316Ti (UNS S 31635)
1.4401 / 1.4404TP 316 / 316L

Dimensional range

  • Outside diameter: 6.00 to 219.10 mm
  • Wall thickness: 1.00 to 23.01 mm

Interested? Get in touch — together we will find the right solution for your requirements. Our complete product range is available as a PDF download.

This article first appeared on LinkedIn: Unsere Big Five: Heute im Fokus – Nahtlose Edelstahlrohre.