Jun 5, 2015

1.4301 Stainless Steel - An Overview


EN 10088-2 1.4301 X5CrNi18-10 Stainless Steel is one of the the most widely used stainless steels and also known as 18/8 (Old name) which links to 18% chromium and 8% nickel. Where 1.4301 is the EN material number and X5CrNi18-10 is the steel designation name. And is a Austenitic stainless steel. Let us look at more detailed material properties of 1.4301 Stainless Steel.

1.4301 Mechanical Properties

Density 7900 kg/m3
Young’s Modulus (Modulus of elasticity) at 20°C is 200 GPa
Tensile Strength - 520 to 720 MPa or N/mm2
Yield Strength - Can not be defined, so 0.2% proof strength is 210 MPa

1.4301 Hardness

For cold rolled strip with thickness below 3mm HRC 47 to 53 & HV 480 to 580
For cold rolled strip above 3mm & hot rolled strip HRB 98 & HV 240

1.4301 Equivalents

  • AISI/ ASTM Equivalent for 1.4301 (US Equivalent)
    • 304
  • UNS Equivalent for 1.4301
    • S30400
  • SAE Grade
    • 304
  • Indian Standard (IS) / British Standard Equivalent for 1.4301
    • EN58E 1.4301

Chemical Composition

Steel Name
Number
C
Si
Mn
P
Cr
Ni
X5CrNi18-10
1.4301
0.07%
1%
2%
0.045%
17.5 % to 19.5 %
8% to 10.5 %

Corrosion Resistance

Good corrosion resistance against water, but never used in presence of sulfuric acid in any concentration

1.4301 vs 1.4305

1.4301 is machinability is very low but 1.4305 is a very good machinability 1.4301 is having very good weldability but 1.4305 is not good for welding

1.4301 vs 1.4307

1.4307 is a low carbon version of 1.4301, with improved weldability

Other Facts About 1.4301 Stainless Steel

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