Grade Profile

1.4835 / S30815 Welded Stainless Steel Tube

EHG manufactures welded stainless steel tube in grade 1.4835 (S30815) at our facility in Steinberg, Germany. A nitrogen- and cerium-microalloyed heat-resisting grade with notably higher strength than standard heat-resisting austenitics.

Also Known As

1.4835 welded stainless steel tube is specified and sold internationally under several equivalent names:

EN (Kurzname) X9CrNiSiNCe21-11-2
ASTM / AISI (USA) S30815
UNS (USA) S30815
Common / trade name 253 MA

253 MA® is a registered trademark of Outokumpu, referenced here only as an equivalent/comparison designation. EHG is not affiliated with, sponsored by, or endorsed by Outokumpu.

Technical Data

EN 1.4835 / X9CrNiSiNCe21-11-2 — ASTM / AISI S30815.

Chemical Composition (% by mass, cast analysis)

Carbon (C) 0.05 - 0.12 %
Silicon (Si) 1.40 - 2.50 %
Manganese (Mn) ≤ 1.00 %
Phosphorus (P) ≤ 0.045 %
Sulfur (S) ≤ 0.015 %
Nitrogen (N) 0.12 - 0.20 %
Chromium (Cr) 20.00 - 22.00 %
Nickel (Ni) 10.00 - 12.00 %
Cerium (Ce) 0.03 - 0.08 %

Mechanical Properties (room temperature)

0.2 % proof strength (Rp0.2) ≥ 310 MPa
1 % proof strength (Rp1.0) ≥ 350 MPa
Tensile strength (Rm) ≥ 650 MPa
Elongation after fracture (A, longitudinal) ≥ 40 %
Elongation after fracture (A, transverse) ≥ 40 %

Available Standards

1.4835 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 1.4835 / S30815 welded tubes:

  • High-temperature structural components — furnace conveyor rollers and belts, thanks to its higher strength.
  • Boiler & combustion equipment — parts requiring both heat and creep resistance.
  • Waste-to-energy plants — components exposed to aggressive high-temperature flue gas.

Alloy Surcharge History

EUR/kg — February 2013 to September 2026

September 2026 (current) 2.92 €/kg
1.00 2.00 3.00 4.00 5.00 20132015201720192021202320252026 2.92 €/kg

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

Period€/kg
September 20262.92
August 20262.91
July 20263.07
June 20263.09
May 20262.93
April 20262.90

Last 12 Months

Period€/kg
September 20262.92
August 20262.91
July 20263.07
June 20263.09
May 20262.93
April 20262.90
March 20262.80
February 20262.77
January 20262.49
December 20252.51
November 20252.49
October 20252.45

Full history available at ehg-steinberg.de.

View full history as a table
PeriodAlloy surcharge (€/kg)
September 20262.92
August 20262.91
July 20263.07
June 20263.09
May 20262.93
April 20262.90
March 20262.80
February 20262.77
January 20262.49
December 20252.51
November 20252.49
October 20252.45
September 20252.44
August 20252.41
July 20252.48
June 20252.52
May 20252.63
April 20252.78
March 20252.79
February 20252.81
January 20252.81
December 20242.75
November 20242.80
October 20242.65
September 20242.69
August 20242.84
July 20243.08
June 20243.11
May 20242.89
April 20242.84
March 20242.70
February 20242.60
January 20242.66
December 20232.76
November 20232.88
October 20232.96
September 20232.96
August 20232.98
July 20233.21
June 20233.39
May 20233.41
April 20233.57
March 20233.95
February 20234.07
January 20233.98
December 20223.65
November 20223.65
October 20223.62
September 20223.54
August 20223.71
July 20224.28
June 20224.37
May 20225.23
April 20224.41
March 20223.61
February 20223.35
January 20223.28
December 20213.13
November 20212.96
October 20212.96
September 20212.91
August 20212.71
July 20212.54
June 20212.49
May 20212.40
April 20212.49
March 20212.49
February 20212.30
January 20212.14
December 20202.05
November 20201.96
October 20201.97
September 20201.85
August 20201.84
July 20201.83
June 20201.84
May 20201.73
April 20201.74
March 20201.84
February 20201.95
January 20201.94
December 20192.18
November 20192.35
October 20192.34
September 20192.10
August 20191.85
July 20191.82
June 20191.85
May 20191.94
April 20191.92
March 20191.81
February 20191.64
January 20191.70
December 20181.82
November 20181.89
October 20181.94
September 20182.04
August 20182.13
July 20182.22
June 20182.05
May 20181.92
April 20181.89
March 20181.82
February 20181.76
January 20181.73
December 20171.83
November 20171.69
October 20171.67
September 20171.48
August 20171.47
July 20171.58
June 20171.66
May 20171.80
April 20171.94
March 20171.88
February 20171.91
January 20171.80
December 20161.60
November 20161.48
October 20161.38
September 20161.46
August 20161.36
July 20161.19
June 20161.21
May 20161.14
April 20161.17
March 20161.11
February 20161.17
January 20161.25
December 20151.36
November 20151.35
October 20151.33
September 20151.46
August 20151.57
July 20151.67
June 20151.73
May 20151.72
April 20151.79
March 20151.80
February 20151.75
January 20151.80
December 20141.69
November 20141.78
October 20141.96
September 20141.89
August 20141.89
July 20141.89
June 20141.85
May 20141.60
April 20141.45
March 20141.41
February 20141.39
January 20141.34
December 20131.38
November 20131.35
October 20131.40
September 20131.43
August 20131.42
July 20131.53
February 20131.59

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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.