Material 1.4310 Datasheet, X10CrNi18-8 Stainless Steel Properties, Equivalent

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Material 1.4310 Datasheet, X10CrNi18-8 Stainless Steel

Material 1.4310 (X10CrNi18-8 steel) is a European standard austenitic stainless steel with good corrosion resistance and weldability, as well as high strength and ductility, it is widely used in the production of high strength stainless steel springs. DIN EN 1.4310 spring steel equivalent grades include AISI 301, JIS SUS301, GB 12Cr17Ni7.

DIN 1.4310 Stainless Steel Datasheet

The following tables summarize stainless steel 1.4310 datasheet and specification, including chemical composition, mechanical properties, physical properties and heat treatment.

Chemical Composition

The following table lists the material 1.4310 chemical composition based on the heat analysis.

Datasheet -1, Chemical Composition

Chemical Composition %
Standard Steel Grade (Steel Number) C Si, ≤ Mn, ≤ P, ≤ S, ≤ Cr Ni Mo, ≤ N, ≤
EN 10088-2; EN 10088-3 X10CrNi18-8 (1.4310) 0,05-0,15 2,00 2,00 0.045 0,015 16,0-19,0 6,0-9,5 0,80 0,10

Mechanical Properties

Datasheet 2: Material 1.4310 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% proof strength (MPa), ≥ 1% proof strength (MPa), ≥ Tensile strength (MPa) Elongation (%) Resistance to intergranular corrosion
European Union EN 10088-3 X10CrNi18-8 (1.4310) ≤40 230 195 230 500-750 40 No
Mechanical properties (Solution annealed)
Country (Region) Standard Steel Grade (Steel Number) Product Condition Thickness (mm), ≤ 0,2 % proof strength (Mpa), ≥, (Transverse) 1 % proof strength (Mpa), ≥ (Transverse) Tensile strength (MPa) Elongation (%), ≥, (Transverse) Resistance to intergranular corrosion
European Union EN 10088-2 X10CrNi18-8 (1.4310) cold rolled strip 8 250 280 600-950 40 No
Proof strength at elevated temperatures
Standard Steel name (Material number) Temperature, °C  0,2% proof strength, MPa, ≥ 1% proof strength, MPa, ≥ Heat treatment condition
EN 10088-2; EN 10088-3 X10CrNi18-8 (1.4310) 100 210 230 Solution annealed
150 200 215
200 190 205
250 185 200
300 180 195
350 180 195

Physical Properties

Datasheet -3: The following table lists 1.4310 stainless steel physical properties, including density, specific heat capacity, electrical resistivity, modulus of elasticity, thermal conductivity, and coefficient of thermal expansion.

Notes:

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

Material 1.4310 Heat treatment

The following is material 1.4310 heat treatment, such as hot forming, solution annealing.

  • Hot forming: 1200 – 900 ℃ (cooling: air)
  • Solution annealing: 1000 – 1100 ℃ (cooling: water, air)

Applications

Springs up to 300 °C temperature, knives and high-strength sheets for the automotive industry.

DIN 1.4310 Stainless Steel Equivalent

DIN 1.4310 stainless steel (material X10CrNi18-8) equivalent to US ASTM AISI SAE, ISO, European (German DIN, British BSI, France NF), Japanese JIS and Chinese GB standard (for reference).

EN X10CrNi18-8 (1.4310) material equivalent
European Union US ISO China Japan
Standard Steel Name (Material Number) Standard Grade (UNS) Standard Grade (ISO number ) Standard Grade Standard Grade
EN 10088-2;
EN 10088-3;
EN 10088-1
X10CrNi18-8 (1.4310) AISI;
ASTM A240/A240M;
ASTM A276/A276M;
ASTM A959
AISI 301 (UNS S30100) ISO 15510 X10CrNi18-8 (4310-301-00-I ) GB/T 1220;
GB/T 3280
12Cr17Ni7;
1Cr17Ni7 (Old designation)
JIS G4303; JIS G4304 SUS301

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