UNS S30815 (253 MA) Stainless Steel

Austenitic & General Stainless Steels

Overview Chemical Composition Mechanical Properties Physical Properties Other Properties

Property Overview

Density7.7g/cm³

Elastic Modulus200GPa

Tensile Strength680MPa

Yield Strength350MPa

Brinell Hardness190HB

Maximum Service Temperature1020°C

Weight Calculator

Chemical Composition

0.050 to 0.1%

20 to 22%

10 to 12%

0 to 0.8%

1.4 to 2.0%

0.14 to 0.2%

0 to 0.040%

0 to 0.030%

0.030 to 0.080%

62.8 to 68.4%

Mechanical

Elastic (Young's, Tensile) Modulus

200 GPa

Elongation at Break

45 %

Fatigue Strength

320 MPa

Poisson's Ratio

0.28

Reduction in Area

56 %

Shear Modulus

77 GPa

Shear Strength

480 MPa

Tensile Strength: Ultimate (UTS)

680 MPa

Tensile Strength: Yield (Proof)

350 MPa

Hardness

Brinell Hardness

190

Rockwell B Hardness

Physical

Density

7.7 g/cm 3

Thermal

Latent Heat of Fusion

310 J/g

Maximum Temperature: Corrosion

430 °C

Maximum Temperature: Mechanical

1020 °C

Melting Completion (Liquidus)

1400 °C

Melting Onset (Solidus)

1360 °C

Specific Heat Capacity

490 J/kg-K

Thermal Conductivity

15 W/m-K

Thermal Diffusivity

4.0 mm 2 /s

Thermal Expansion

17 µm/m-K

Thermal Shock Resistance

15 points

Electrical

Electrical Conductivity: Equal Volume

2.0 % IACS

Electrical Conductivity: Equal Weight (Specific)

2.4 % IACS

Calculated

PREN (Pitting Resistance)

Resilience: Ultimate (Unit Rupture Work)

260 MJ/m 3

Resilience: Unit (Modulus of Resilience)

310 kJ/m 3

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

25 points

Strength to Weight: Axial

25 points

Strength to Weight: Bending

22 points

Environmental

Base Metal Price

17 % relative

Embodied Carbon

3.3 kg CO 2 /kg material

Embodied Energy

47 MJ/kg

Embodied Energy

47 MJ/kg 20 x 10 3 BTU/lb

Embodied Water

160 L/kg

Embodied Water

160 L/kg 19 gal/lb

Registered Designations & Aliases

253 MAS30815UNS S30815 (253 MA) Stainless Steel

Standards

ASTM A182 ASTM A182: Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service

ASTM A240 ASTM A240: Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications

ASTM A473 ASTM A473: Standard Specification for Stainless Steel Forgings

ASTM A479 ASTM A479: Standard Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels

ASTM A959 ASTM A959: Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels

EN 10095 EN 10095: Heat resisting steels and nickel alloys

EN 10095 EN 10095: Heat resisting steels and nickel alloys ASTM A473: Standard Specification for Stainless Steel Forgings ASTM A479: Standard Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels ASTM A182: Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service ASTM A240: Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications Welding Metallurgy of Stainless Steels, Erich Folkhard et al., 2012 ASTM A959: Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels