FabDigit

Stainless Steel

Stainless Steel SUS431

Stainless Steel SUS431 is a stainless steel.

Quote a part in SUS431Compare with…All stainless steel grades

Properties

Datasheet

Values are nominal handbook figures for design screening. Certified mill or lot data ships with every FabDigit order on request.

Against other stainless steel grades

Yield strength—
208 MPa30 ksifamily median 275 MPa40 ksi760 MPa110 ksi
Tensile strength—
483 MPa70 ksifamily median 620 MPa90 ksi1,035 MPa150 ksi
Density—
7.7 g/cm³0.278 lb/in³family median 7.8 g/cm³0.282 lb/in³8 g/cm³0.289 lb/in³
Hardness (HB equiv.)—
158 HBfamily median 185 HB421 HB
Max service temp—
480 °C896 °Ffamily median 760 °C1,400 °F1,020 °C1,868 °F
Electrical conductivity—
2.1 % IACSfamily median 2.4 % IACS3 % IACS
Machinability—
29 / 100family median 40 / 10075 / 100
Relative cost—
34family median 4858

Strength versus weight in the stainless steel family

Yield strength against density for every stainless steel grade FabDigit runs. SUS431 is highlighted; hover a dot for its name, or open the interactive family chart.

2003005007001,0001,5007.67.88Density (g/cm³)Yield strength (MPa) — log scale

Surface finishes for SUS431

Coatings and treatments compatible with stainless steel on the processes SUS431 runs on. Pick them in the quote configurator or call them out on the drawing.

Passivation

  • Pickling

Plating

  • Electroless Nickel (EN)
  • Gold Plating
  • Hard Chrome Plating
  • Silver Plating

Organic Coating

  • Epoxy Coating

Thermal Spray

  • Plasma Spray

Equivalent designations

Standards and trade names that resolve to Stainless Steel SUS431 in FabDigit's catalog. Equivalence is nominal — check the exact specification when certification matters.

UNS
S43100

Property data is compiled from published supplier and standards handbooks and normalised for comparison; hardness values on non-Brinell scales are converted approximately for charting only. Manufacturability limits are FabDigit quote-engine defaults and may be relaxed by engineering review. Nothing on this page is a certification — request mill certs, CoC or material test reports with your order.