DIN EN 1.4541 Stainless Steel X6CrNiTi18-10 Material Datasheet, Specification, Properties

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DIN EN 1.4541 Stainless Steel (X6CrNiTi18-10 Material)

DIN EN 1.4541 stainless steel (X6CrNiTi18-10) is a variant version of 1.4301. The addition of titanium stabilizes carbides without sensitization, because titanium forms more stable carbides than chromium. These carbides remove carbon from the solid solution and prevent the precipitation of chromium carbide. Therefore, this material is also called stabilized stainless steel. 1.4541 material has high corrosion resistance, good weldability and cold formability.

Datasheet & Specification

The following tables and lists give the stainless steel 1.4541 datasheet and specification including chemical composition, physical properties and mechanical properties, heat treatment, welding, etc.

Chemical Composition

DIN EN 1.4541 material chemical composition is listed in the following table based on cast analysis.

Chemical Composition, %
Country (Region) Standard Steel Grade (Steel Number) C, ≤ Si, ≤ Mn, ≤ P, ≤ S, ≤ Cr Ni Ti
European Union EN 10088-2; EN 10088-3 X6CrNiTi18-10 (1.4541) 0,08 1,00 2,00 0,045 0,015 17,0-19,0 9,0-12,0 5xC to 0,70

Physical Properties

DIN 1.4541 stainless steel physical properties are given in the following lists, including density, thermal expansion, elastic modulus, thermal conductivity, specific heat capacity and electrical resistance.

Notes:

  • 10-6·K-1 = 10-6/K
  • 1 Ω·mm²/m = 1 μΩ·m
  • 1 g/cm3 = 1 kg/dm3 = 1000 kg/m3
  • 1 GPa = 1 kN/mm2
  • 1 MPa = 1 N/mm2
Physical Properties
Density, g/cm3 7,9
Magnetic No
Electrical resistivity, μΩ·m 0,73 (20 ℃)
Specific heat capacity, J/(kg·K) 500 (20 ℃)
Thermal conductivity, (W/m·K) 15,0 (20 ℃)
Modulus of elasticity, Gpa 200 (20 ℃)
194 (100 ℃)
186 (200 ℃)
179 (300 ℃)
172 (400 ℃)
165 (500 ℃)
Mean coefficient of thermal expansion, (10-6/K) 16,0 (20-100 ℃)
16,5 (20-200 ℃)
17,0 (20-300 ℃)
17,5 (20-400 ℃)
18,0 (20-500 ℃)

Mechanical Properties

EN 1.4541 stainless steel mechanical properties at room temperature in the solution-annealed condition and resistance to intergranular corrosion.

Mechanical properties (Solution annealed)
Country (Region) Standard Steel Grade (Steel Number) Diameter (d) or Thickness (t) in mm Hardness (HB), ≤ 0.2% yield strength (MPa), ≥ 1% yield strength (MPa), ≥ Tensile strength (MPa) Elongation, % (long.) Elongation, % (tr.) Impact energy, KV2, J (long.), ≥ Impact energy, KV2, J (tr.), ≥ Resistance to intergranular corrosion (In the delivery & sensitized condition)
European Union EN 10088-3 X6CrNiTi18-10 (1.4541) ≤160 215 190 225 500-700 40 100 Yes
160<t≤250 30 60
Mechanical properties (Solution annealed)
Country (Region) Standard Steel Grade (Steel Number) Product Condition Thickness (mm), ≤ 0,2 % proof strength (Mpa), ≥ 1% proof strength (MPa), ≥ Tensile strength (MPa) Elongation (%), ≥, (tr.) Impact energy, KV2, J (long.), ≥ Impact energy, KV2, J (tr.), ≥ Resistance to intergranular corrosion (In the delivery & sensitized condition)
European Union DIN EN 10088-2 X6CrNiTi18-10 (1.4541) cold rolled strip 8 220 250 520-720 40 Yes
hot rolled strip 13,5 200 240 520-720 100 60
hot rolled plate 75 200 240 500-700

Minimum values for yield strength of 1.4541 steel at elevated temperatures.

Steel designation (Number) 0,2% proof strength, MPa, ≥ 1% proof strength, MPa, ≥ Temperature (°C) Heat treatment condition
X6CrNiTi18-10 (1.4541) 175 205 100 +AT (solution annealed)
165 195 150
155 185 200
145 175 250
136 167 300
130 161 350
125 156 400
121 152 450
119 149 500
118 147 550

1.4541 Material Heat Treatment

The following is material 1.4541 stainless steel heat treatment, such as hot forming, solution annealing.

For solution annealing of 1.4541 material, if the heat treatment is performed in a continuous furnace, it’s usually preferable to specify an upper limit of the temperature range or even exceed it, and cooling should be sufficiently rapidly to avoid precipitation.

Hot forming Solution annealing
Standard Designation (Steel number) Temperature, ℃ Type of cooling Temperature, ℃ Type of cooling
DIN EN 10088-2 X6CrNiTi18-10 (1.4541) 1150 to 850 air 1000 to 1100 water, air
DIN EN 10088-3 1200 to 900 1020 to 1120

Welding

EN 1.4541 stainless steel has excellent weldability. All common welding processes can be used with or without filler metal. If filler metal is required, 1.4316 and 1.4551 are recommended. The maximum interpass temperature during welding is 200 °C. No pre-heating and post-weld heat treatment is required. Due to the addition of titanium, it has excellent resistance to intergranular corrosion and is not affected by the thickness of the workpiece.

Corrosion Resistance

The PREN value of 1.4541 steel is about 17-19. It still has the ability to resist intergranular corrosion after welding, but it is not suitable for long-term use in seawater to avoid causing pitting corrosion.

Use & Application

Equipment and parts for the food and chemical industry.

1.4541 Stainless Steel Equivalent

Material X6CrNiTi18-10, DIN 1.4541 stainless steel equivalent to US ASTM AISI SAE, ISO, European (German DIN, British BSI, France NF), Japanese JIS and Chinese GB standard (for reference).

EN X6CrNiTi18-10 (1.4541) material equivalent grade
European Union US ISO China Japan
Standard Steel Name (Material Number) Standard Grade (UNS) Standard Grade (ISO number ) Standard Grade (UNS) Standard Grade
EN 10088-2;
EN 10088-3
X6CrNiTi18-10 (1.4541) AISI;
ASTM A240/A240M;
ASTM A276/A276M;
321 (UNS S32100) ISO 15510 X6CrNiTi18-10 (4541-321-00-I ) GB/T 1220;
GB/T 3280
0Cr18Ni10Ti;
06Cr18Ni11Ti (new designation) (S32168)
JIS G4303;
JIS G4304;
JIS G4305
SUS321

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