Stainless steel pipes

Seamless or welded stainless steel tubes

In our warehouse, we stock the complete range of piping systems in stainless steel. Whether seamless or welded stainless steel tubes, WITTE has any tube made of different materials in stock, for the most diverse requirements.

The material 1.4539/904L is austenitic steel with a high portion of nickel. This results in high corrosion resistance including high resistance to a large number of acids. For example, 904L/1.4539 can be used for chloride-containing media and seawater. This material is characterised by its high resistance to pitting and stress corrosion cracking.

1.4462/S31803 (Duplex steel) and 1.4410/S32205 (Super Duplex steel) are special: The best properties of ferrite and austenite are combined in one material. The high resistance to corrosion due to the austenite part is combined with the excellent resistance to stress corrosion cracking, as well as high strength values ​​and yield strengths. The lower nickel content results in considerable cost savings.

In addition to our warehouse range, we also supply stainless steel tubes in C steels and nickel alloys. If you are not able to find a material you need, then we will be happy to arrange for a corresponding procurement.

Tested stainless steel pipes with certification

All conventional approval test certificates to EN 10204 with certification to DIN/EN and/or VdTÜV material sheets or corresponding ASME are standard with our products. We can carry out short-term additional tests to individual customer specifications and also provide certification.

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Seamless

  • DIN/EN/ISO 1127
  • EN 10216-5 TC 1
  • EN 10216-5 TC 2
  • AD 2000-W2
  • AD 2000-W10
  • VdTÜV 418
  • VdTÜV 421
  • ASME/ASTM A312
  • ASME B 36.19
  • ASME/ASTM SA/A 789
  • ASME/ASTM SA/A 790
  • NACE MR0175
  • DIN/EN/ISO 15156-1
  • NACE MR01.03

Welded

  • DIN/EN/ISO 1127
  • EN 10217-7 TC 1
  • EN 10217-7 TC 2
  • AD 2000-W2
  • AD 2000-W10
  • VdTÜV 418
  • VdTÜV 421
  • ASME/ASTM A312
  • ASME B36.19
  • ASME/ASTM SA/A 790
  • ASME/ASTM SA/A 928
  • ASME/ASTM SA/A 673
  • NACE MR0175
  • DIN/EN/ISO 15156-1
  • NACE MR0103

Order now at WITTE
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Phone: +49 (0) 4402 – 92 49 – 0
Fax: +49 (0) 4402 – 92 49 – 77