Grade Profile

1.4841 / 314 Welded Stainless Steel Tube

EHG manufactures welded stainless steel tube in grade 1.4841 (314) at our facility in Steinberg, Germany. A very high chromium/nickel heat-resisting grade for the most demanding high-temperature oxidation environments.

Also Known As

1.4841 welded stainless steel tube is specified and sold internationally under several equivalent names:

EN (Kurzname) X15CrNiSi25-20
ASTM / AISI (USA) 314
UNS (USA) S31400
AFNOR (France) Z15CNS25.20
BS (UK) 314S25
Common / trade name 314

Technical Data

EN 1.4841 / X15CrNiSi25-20 — ASTM / AISI 314.

Chemical Composition (% by mass, cast analysis)

Carbon (C) ≤ 0.20 %
Silicon (Si) 1.50 - 2.50 %
Manganese (Mn) ≤ 2.00 %
Phosphorus (P) ≤ 0.045 %
Sulfur (S) ≤ 0.015 %
Nitrogen (N) ≤ 0.11 %
Chromium (Cr) 24.00 - 26.00 %
Nickel (Ni) 19.00 - 22.00 %

Mechanical Properties (room temperature)

0.2 % proof strength (Rp0.2) ≥ 230 MPa
Tensile strength (Rm) 550 - 800 MPa
Elongation after fracture (A, longitudinal) ≥ 30 %
Elongation after fracture (A, transverse) ≥ 22 %

Available Standards

1.4841 welded stainless steel tube from EHG can be ordered to the following standards:

General & mechanical engineering tube DIN EN 10296-2
Welded tube for pressure purposes DIN EN 10217-7
Food & pharmaceutical industry tube DIN EN 10357
Pipe classes for process plants DIN 21057-11
Corrosion-resisting steels (supplementary conditions) SEW 470
Welded pipe (USA) ASTM A312 / ASME SA-312
Boiler, superheater & heat-exchanger tube (USA) ASTM A249 / ASME SA-249

Typical Applications

What our customers build with 1.4841 / 314 welded tubes:

  • Extreme high-temperature fixtures — kiln rollers and furnace internals at the top of the heat-resisting range.
  • Heat-treatment equipment — baskets and fixtures for the most demanding thermal cycles.
  • Petrochemical furnace components — tube for cracking and reforming furnaces.

Alloy Surcharge History

EUR/kg — February 2013 to September 2026

September 2026 (current) 4.61 €/kg
2.00 4.00 6.00 8.00 20132015201720192021202320252026 4.61 €/kg

Drag across the chart to zoom in on a period — use "Reset zoom" to return to the full history.

Period€/kg
September 20264.61
August 20264.57
July 20264.87
June 20264.90
May 20264.60
April 20264.58

Last 12 Months

Period€/kg
September 20264.61
August 20264.57
July 20264.87
June 20264.90
May 20264.60
April 20264.58
March 20264.43
February 20264.34
January 20263.81
December 20253.87
November 20253.84
October 20253.78

Full history available at ehg-steinberg.de.

View full history as a table
PeriodAlloy surcharge (€/kg)
September 20264.61
August 20264.57
July 20264.87
June 20264.90
May 20264.60
April 20264.58
March 20264.43
February 20264.34
January 20263.81
December 20253.87
November 20253.84
October 20253.78
September 20253.76
August 20253.70
July 20253.82
June 20253.91
May 20254.05
April 20254.31
March 20254.32
February 20254.35
January 20254.36
December 20244.26
November 20244.39
October 20244.15
September 20244.19
August 20244.47
July 20244.92
June 20244.95
May 20244.56
April 20244.49
March 20244.20
February 20244.05
January 20244.11
December 20234.33
November 20234.56
October 20234.74
September 20234.76
August 20234.75
July 20235.12
June 20235.46
May 20235.50
April 20235.90
March 20236.65
February 20236.82
January 20236.62
December 20225.97
November 20225.87
October 20225.77
September 20225.64
August 20225.94
July 20226.91
June 20226.98
May 20228.60
April 20227.25
March 20225.85
February 20225.40
January 20225.25
December 20215.03
November 20214.74
October 20214.75
September 20214.65
August 20214.32
July 20214.02
June 20213.91
May 20213.75
April 20213.91
March 20213.98
February 20213.67
January 20213.44
December 20203.31
November 20203.15
October 20203.18
September 20202.95
August 20202.92
July 20202.88
June 20202.89
May 20202.69
April 20202.77
March 20202.96
February 20203.13
January 20203.11
December 20193.58
November 20193.91
October 20193.88
September 20193.41
August 20192.94
July 20192.83
June 20192.88
May 20193.06
April 20193.02
March 20192.83
February 20192.54
January 20192.60
December 20182.80
November 20182.94
October 20183.01
September 20183.20
August 20183.33
July 20183.49
June 20183.20
May 20182.97
April 20182.94
March 20182.85
February 20182.73
January 20182.61
December 20172.80
November 20172.54
October 20172.56
September 20172.24
August 20172.18
July 20172.32
June 20172.45
May 20172.69
April 20172.92
March 20172.81
February 20172.86
January 20172.81
December 20162.51
November 20162.32
October 20162.16
September 20162.31
August 20162.12
July 20161.82
June 20161.86
May 20161.75
April 20161.82
March 20161.72
February 20161.81
January 20161.91
December 20152.13
November 20152.13
October 20152.08
September 20152.31
August 20152.51
July 20152.68
June 20152.81
May 20152.80
April 20152.94
March 20152.96
February 20152.87
January 20152.99
December 20142.77
November 20142.93
October 20143.26
September 20143.15
August 20143.16
July 20143.16
June 20143.08
May 20142.62
April 20142.36
March 20142.25
February 20142.20
January 20142.12
December 20132.21
November 20132.15
October 20132.24
September 20132.30
August 20132.27
July 20132.47
February 20132.78

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The technical data, standards references and alloy surcharge history on this page are provided for general information only. EHG makes no warranty as to their accuracy or completeness and accepts no liability for decisions made on this basis. Always verify current specifications against the applicable official standard (e.g. DIN EN 10088, EN 10095, ASTM/ASME) before using them for design, procurement or manufacturing.