UNS S32654 (Alloy 654) Stainless Steel

Austenitic & General Stainless Steels

Overview Chemical Composition Mechanical Properties Physical Properties Other Properties

Property Overview

Density8g/cm³

Elastic Modulus210GPa

Tensile Strength850MPa

Yield Strength490MPa

Brinell Hardness220HB

Maximum Service Temperature1100°C

Weight Calculator

Chemical Composition

0 to 0.020%

24 to 25%

21 to 23%

7.0 to 8.0%

2.0 to 4.0%

0 to 0.5%

0.45 to 0.55%

0 to 0.030%

0 to 0.0050%

0.3 to 0.6%

38.3 to 45.3%

Mechanical

Elastic (Young's, Tensile) Modulus

210 GPa

Elongation at Break

45 %

Fatigue Strength

450 MPa

Poisson's Ratio

0.28

Reduction in Area

46 %

Shear Modulus

82 GPa

Shear Strength

590 MPa

Tensile Strength: Ultimate (UTS)

850 MPa

Tensile Strength: Yield (Proof)

490 MPa

Hardness

Brinell Hardness

220

Physical

Density

8.0 g/cm 3

Thermal

Latent Heat of Fusion

310 J/g

Maximum Temperature: Corrosion

440 °C

Maximum Temperature: Mechanical

1100 °C

Melting Completion (Liquidus)

1450 °C

Melting Onset (Solidus)

1410 °C

Specific Heat Capacity

460 J/kg-K

Thermal Conductivity

11 W/m-K

Thermal Diffusivity

2.9 mm 2 /s

Thermal Expansion

15 µm/m-K

Thermal Shock Resistance

19 points

Electrical

Electrical Conductivity: Equal Volume

2.2 % IACS

Electrical Conductivity: Equal Weight (Specific)

2.5 % IACS

Calculated

PREN (Pitting Resistance)

Resilience: Ultimate (Unit Rupture Work)

330 MJ/m 3

Resilience: Unit (Modulus of Resilience)

570 kJ/m 3

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

25 points

Strength to Weight: Axial

29 points

Strength to Weight: Bending

25 points

Environmental

Base Metal Price

34 % relative

Embodied Carbon

6.4 kg CO 2 /kg material

Embodied Energy

87 MJ/kg

Embodied Energy

87 MJ/kg 37 x 10 3 BTU/lb

Embodied Water

220 L/kg

Embodied Water

220 L/kg 26 gal/lb

Registered Designations & Aliases

Alloy 654S32654UNS S32654 (Alloy 654) Stainless Steel

Standards

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

ASTM A479 ASTM A479: Standard Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels ASTM A240: Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications ASTM A959: Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels

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