ACI-ASTM CA15 (SCS1, J91150) Cast Stainless Steel

Martensitic Stainless Steels

Overview Chemical Composition Mechanical Properties Physical Properties Other Properties

Property Overview

Density7.7g/cm³

Elastic Modulus190GPa

Tensile Strength700MPa

Yield Strength570MPa

Brinell Hardness220HB

Maximum Service Temperature750°C

Weight Calculator

Chemical Composition

0 to 0.15%

11.5 to 14%

0 to 1.0%

0 to 0.5%

0 to 1.0%

0 to 1.5%

0 to 0.040%

81.8 to 88.5%

Mechanical

Elastic (Young's, Tensile) Modulus

190 GPa

Elongation at Break

21 %

Fatigue Strength

370 MPa

Poisson's Ratio

0.28

Reduction in Area

34 %

Shear Modulus

76 GPa

Tensile Strength: Ultimate (UTS)

700 MPa

Tensile Strength: Yield (Proof)

570 MPa

Hardness

Brinell Hardness

220

Physical

Density

7.7 g/cm 3

Thermal

Latent Heat of Fusion

280 J/g

Maximum Temperature: Corrosion

390 °C

Maximum Temperature: Mechanical

750 °C

Melting Completion (Liquidus)

1440 °C

Melting Onset (Solidus)

1500 °C

Specific Heat Capacity

480 J/kg-K

Thermal Conductivity

25 W/m-K

Thermal Diffusivity

6.7 mm 2 /s

Thermal Expansion

10 µm/m-K

Thermal Shock Resistance

26 points

Electrical

Electrical Conductivity: Equal Volume

3.0 % IACS

Electrical Conductivity: Equal Weight (Specific)

3.5 % IACS

Calculated

PREN (Pitting Resistance)

Resilience: Ultimate (Unit Rupture Work)

140 MJ/m 3

Resilience: Unit (Modulus of Resilience)

820 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

23 points

Environmental

Base Metal Price

7.5 % relative

Embodied Carbon

2.0 kg CO 2 /kg material

Embodied Energy

28 MJ/kg

Embodied Energy

28 MJ/kg 12 x 10 3 BTU/lb

Embodied Water

100 L/kg

Embodied Water

100 L/kg 12 gal/lb

Registered Designations & Aliases

ACI-ASTM CA15 (SCS1, J91150) Cast Stainless SteelJ91150SCS1

Standards

ASTM A217 ASTM A217: Standard Specification for Steel Castings, Martensitic Stainless and Alloy, for Pressure-Containing Parts, Suitable for High-Temperature Service

ASTM A217 ASTM A217: Standard Specification for Steel Castings, Martensitic Stainless and Alloy, for Pressure-Containing Parts, Suitable for High-Temperature Service ASTM A743: Standard Specification for Castings, Iron-Chromium, Iron-Chromium-Nickel, Corrosion Resistant, for General Application Metallic Materials: Physical, Mechanical, and Corrosion Properties, Philip A. Schweitzer, 2003 Welding Metallurgy of Stainless Steels, Erich Folkhard et al., 2012 Corrosion of Stainless Steels, A. John Sedriks, 1996

ASTM A743 ASTM A743: Standard Specification for Castings, Iron-Chromium, Iron-Chromium-Nickel, Corrosion Resistant, for General Application