Grade Profile

1.4435 / 316L Welded Stainless Steel Tube

EHG manufactures welded stainless steel tube in grade 1.4435 (316L) at our facility in Steinberg, Germany. A higher-nickel low-carbon 316-family grade, offering extra resistance to intergranular corrosion in heavy-section or heavily welded tube.

Also Known As

1.4435 welded stainless steel tube is specified and sold internationally under several equivalent names:

EN (Kurzname) X2CrNiMo18-14-3
ASTM / AISI (USA) 316L
UNS (USA) S31603
AISI (USA) 316L
SS (Sweden) 2353
AFNOR (France) Z3CND18.14.03
BS (UK) 316S11
Common / trade name V4A

Technical Data

EN 1.4435 / X2CrNiMo18-14-3 — ASTM / AISI 316L.

Chemical Composition (% by mass, cast analysis)

Carbon (C) ≤ 0.030 %
Silicon (Si) ≤ 1.00 %
Manganese (Mn) ≤ 2.00 %
Phosphorus (P) ≤ 0.045 %
Sulfur (S) ≤ 0.015 %
Nitrogen (N) ≤ 0.10 %
Chromium (Cr) 17.0 - 19.0 %
Molybdenum (Mo) 2.50 - 3.00 %
Nickel (Ni) 12.5 - 15.0 %

Mechanical Properties (room temperature)

0.2 % proof strength (Rp0.2) ≥ 190 MPa
1 % proof strength (Rp1.0) ≥ 225 MPa
Tensile strength (Rm) 490 - 690 MPa
Elongation after fracture (A, longitudinal) ≥ 40 %
Elongation after fracture (A, transverse) ≥ 30 %

Corrosion Resistance Index

PREN (Cr + 3.3×Mo + 16×N) 27.1

Available Standards

1.4435 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 1.4435 / 316L welded tubes:

  • Pharmaceutical & biotech vessels — preferred where low ferrite content improves polishability.
  • Food & beverage processing — high-purity piping and tanks.
  • Medical device fabrication — tube requiring a consistent microstructure.
  • Chemical processing — general 316L-family duty with extra corrosion margin.

Alloy Surcharge History

EUR/kg — February 2013 to September 2026

September 2026 (current) 5.21 €/kg
1.00 2.00 3.00 4.00 5.00 6.00 7.00 20132015201720192021202320252026 5.21 €/kg

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

Period€/kg
September 20265.21
August 20265.14
July 20265.28
June 20265.18
May 20264.89
April 20264.91

Last 12 Months

Period€/kg
September 20265.21
August 20265.14
July 20265.28
June 20265.18
May 20264.89
April 20264.91
March 20264.66
February 20264.44
January 20264.04
December 20254.19
November 20254.19
October 20254.18

Full history available at ehg-steinberg.de.

View full history as a table
PeriodAlloy surcharge (€/kg)
September 20265.21
August 20265.14
July 20265.28
June 20265.18
May 20264.89
April 20264.91
March 20264.66
February 20264.44
January 20264.04
December 20254.19
November 20254.19
October 20254.18
September 20254.08
August 20253.97
July 20254.05
June 20254.04
May 20254.22
April 20254.47
March 20254.51
February 20254.56
January 20254.54
December 20244.46
November 20244.49
October 20244.31
September 20244.37
August 20244.65
July 20244.96
June 20244.87
May 20244.53
April 20244.50
March 20244.27
February 20244.20
January 20244.08
December 20234.37
November 20234.69
October 20234.89
September 20234.85
August 20234.76
July 20235.04
June 20235.26
May 20235.48
April 20236.63
March 20237.22
February 20236.66
January 20236.10
December 20225.50
November 20225.42
October 20225.16
September 20224.95
August 20225.29
July 20225.95
June 20226.11
May 20227.18
April 20226.18
March 20225.16
February 20224.85
January 20224.73
December 20214.58
November 20214.37
October 20214.43
September 20214.33
August 20214.13
July 20213.74
June 20213.41
May 20213.26
April 20213.40
March 20213.37
February 20213.11
January 20212.92
December 20202.80
November 20202.66
October 20202.66
September 20202.46
August 20202.44
July 20202.46
June 20202.53
May 20202.37
April 20202.49
March 20202.68
February 20202.72
January 20202.70
December 20192.99
November 20193.35
October 20193.37
September 20193.06
August 20192.74
July 20192.70
June 20192.73
May 20192.86
April 20192.83
March 20192.64
February 20192.45
January 20192.54
December 20182.68
November 20182.75
October 20182.80
September 20182.94
August 20182.97
July 20183.11
June 20182.92
May 20182.76
April 20182.76
March 20182.67
February 20182.52
January 20182.35
December 20172.45
November 20172.27
October 20172.28
September 20172.04
August 20171.98
July 20172.10
June 20172.26
May 20172.46
April 20172.56
March 20172.43
February 20172.46
January 20172.39
December 20162.14
November 20162.01
October 20161.88
September 20161.98
August 20161.85
July 20161.71
June 20161.64
May 20161.49
April 20161.52
March 20161.44
February 20161.51
January 20161.56
December 20151.69
November 20151.71
October 20151.70
September 20151.89
August 20152.06
July 20152.25
June 20152.34
May 20152.39
April 20152.45
March 20152.49
February 20152.44
January 20152.49
December 20142.39
November 20142.52
October 20142.84
September 20142.77
August 20142.77
July 20142.85
June 20142.71
May 20142.30
April 20142.04
March 20141.99
February 20141.96
January 20141.90
December 20131.96
November 20131.89
October 20131.97
September 20132.00
August 20132.03
July 20132.19
February 20132.39

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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.